US1902550A
(en)
|
1930-01-31 |
1933-03-21 |
Nat Synthetic Corp |
Process of oxidizing cyclic organic compounds
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US1936427A
(en)
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1930-01-31 |
1933-11-21 |
Nat Synthetic Corp |
Process of oxidizing naphthalene and related condensed aromatic ring compounds
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US2572575A
(en)
|
1949-09-23 |
1951-10-23 |
Monsanto Chemicals |
Preparation of terephthalic acid
|
US2572710A
(en)
|
1949-09-23 |
1951-10-23 |
Monsanto Chemicals |
Preparation of terephthalic acid
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US3064044A
(en)
|
1957-08-15 |
1962-11-13 |
Standard Oil Co |
Multistage oxidation system for preparing dicarboxylic acid
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US3082250A
(en)
|
1958-05-05 |
1963-03-19 |
Standard Oil Co |
Recovery of phthalic acid products
|
US3071447A
(en)
|
1958-09-09 |
1963-01-01 |
Whiting Corp |
Hydraulic classifier
|
US3029278A
(en)
|
1958-12-11 |
1962-04-10 |
Standard Oil Co |
Process for separation of phthalic acids
|
US3257363A
(en)
|
1961-05-22 |
1966-06-21 |
Phillips Petroleum Co |
Control of the composition of a reaction mixture
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GB1007570A
(en)
|
1961-07-24 |
1965-10-13 |
Socaty |
Process for the catalytic oxidation of xylenes or industrial mixtures of xylenes
|
BE621323A
(pl)
|
1961-08-14 |
|
|
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US3216481A
(en)
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1962-04-17 |
1965-11-09 |
Badger Co |
Recovery of phthalic and maleic acid from solutions
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NL294776A
(pl)
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1962-10-06 |
|
|
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US3244744A
(en)
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1963-02-27 |
1966-04-05 |
Standard Oil Co |
Separation process for isophthalic acid and terephthalic acid
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DE1276628C2
(de)
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1963-05-20 |
1975-01-16 |
Rudzki, Henryk Stanislaw, Dr., Los Angeles, Calif. (V.St.A.) |
Verfahren zur herstellung von isophtalsaeure und/oder terephthalsaeure
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US3410897A
(en)
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1963-10-10 |
1968-11-12 |
Maruzen Oil Company Ltd |
Purification of terephthalic acid
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US3293288A
(en)
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1963-12-02 |
1966-12-20 |
Exxon Research Engineering Co |
Process for the separation of monobasic and dibasic aromatic acids
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US3388157A
(en)
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1965-02-10 |
1968-06-11 |
Ethyl Corp |
Process for the production of dicarboxylic acids
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NL6606774A
(pl)
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1965-05-17 |
1966-11-18 |
|
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GB1142864A
(en)
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1965-11-15 |
1969-02-12 |
Ici Ltd |
Crystallisation process
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US3497552A
(en)
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1966-07-18 |
1970-02-24 |
Standard Oil Co |
Continuous crystallization in a plurality of cooling stages using dilutions by cooled solvent of feed to each stage
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US3549695A
(en)
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1966-09-01 |
1970-12-22 |
Mobil Oil Corp |
Method for downflow leaching
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US3534090A
(en)
|
1966-11-04 |
1970-10-13 |
Mobil Oil Corp |
Hydrocarbon oxidation
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US3584039A
(en)
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1967-08-30 |
1971-06-08 |
Standard Oil Co |
Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
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US3556733A
(en)
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1968-04-05 |
1971-01-19 |
Struthers Scientific Int Corp |
Fines dissolver for crystallizers
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US3850981A
(en)
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1968-04-16 |
1974-11-26 |
Celanese Corp |
Liquid phase oxidation of p-xylene to terephthalic acid
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US3626001A
(en)
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1968-05-09 |
1971-12-07 |
Atlantic Richfield Co |
Method for the production of high-purity isophthalic or terephthalic acid
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AT282466B
(de)
|
1968-07-25 |
1970-06-25 |
Oemv Ag |
Bitumenblasverfahren und Einrichtung zur Durchführung desselben
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DE1792402A1
(de)
|
1968-08-29 |
1971-11-11 |
Dynamit Nobel Ag |
Verfahren zur Durchfuehrung exothermer chemischer Reaktionen in heterogenen Gas-Fluessigkeits-Gemischen
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CA849014A
(en)
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1968-10-25 |
1970-08-11 |
Ichikawa Yataro |
Apparatus for continuous gas-liquid contact and process for refining crude terephthalic acid
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US3660476A
(en)
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1968-10-30 |
1972-05-02 |
Teijin Ltd |
Method for the preparation of terephthalic acid
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US3708532A
(en)
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1968-11-04 |
1973-01-02 |
Teijin Ltd |
Process for the continuous purification of crude terephthalic acid
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US3700731A
(en)
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1969-02-28 |
1972-10-24 |
Du Pont |
Process for oxidizing xylenes to phthalic acids
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US3629321A
(en)
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1969-05-26 |
1971-12-21 |
Standard Oil Co |
Integration of para-xylene oxidation to terephthalic acid and its esterification to dimethyl terephthalate
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US3839436A
(en)
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1969-05-26 |
1974-10-01 |
Standard Oil Co |
Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
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US3683018A
(en)
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1969-05-26 |
1972-08-08 |
Standard Oil Co |
Integrated oxidation of isomeric xylene mixture to isomeric phthalic acid mixture and separation of mixture of isomeric phthalic acids into individual isomer products
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US3873275A
(en)
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1969-09-29 |
1975-03-25 |
Whiting Corp |
Crystallization apparatus and method
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BE759284A
(fr)
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1969-11-24 |
1971-05-24 |
Shell Int Research |
Procede et appareil pour la mise en contact d'un liquide avec des particules solides
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US3686293A
(en)
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1970-07-13 |
1972-08-22 |
Giorgio Gualdi |
Process for the preparation of aromatic carboxylic acids
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JPS5328419B1
(pl)
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1971-04-26 |
1978-08-15 |
|
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US3785779A
(en)
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1971-08-02 |
1974-01-15 |
Exxon Research Engineering Co |
Gas liquid inlet distributor
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JPS5544644B2
(pl)
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1971-09-23 |
1980-11-13 |
|
|
JPS5234590B2
(pl)
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1971-12-28 |
1977-09-03 |
|
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NL169993C
(nl)
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1972-01-13 |
1982-09-16 |
Maruzen Oil Co Ltd |
Werkwijze ter bereiding van tereftaalzuur.
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DE2217003C2
(de)
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1972-04-08 |
1983-12-15 |
Chemische Werke Hüls AG, 4370 Marl |
Verfahren und Vorrichtung zur kontinuierlichen Herstellung von gesättigten aliphatischen Dicarbonsäuren
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US3845117A
(en)
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1972-12-14 |
1974-10-29 |
Halcon International Inc |
Process for preparation of phthalic acids
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JPS5328421B2
(pl)
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1973-05-15 |
1978-08-15 |
|
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US3931305A
(en)
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1973-08-20 |
1976-01-06 |
Standard Oil Company |
Terephthalic acid recovery by continuous flash crystallization
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JPS5328902B2
(pl)
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1973-09-14 |
1978-08-17 |
|
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US3850983A
(en)
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1973-10-15 |
1974-11-26 |
Standard Oil Co |
Separation of terephthalic from paratoluic acid from solutions thereof in water and/or acetic acid
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US4053506A
(en)
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1975-05-02 |
1977-10-11 |
Standard Oil Company (Indiana) |
Production of fiber-grade terephthalic acid
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BE847474A
(fr)
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1975-10-24 |
1977-04-20 |
|
Oxydation secondaire d'un effluent fluide de l'oxydation primaire du m-xylene ou du p-xylene,
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US3997620A
(en)
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1975-10-28 |
1976-12-14 |
Uop Inc. |
Process for separating para-xylene
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JPS5912096B2
(ja)
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1975-10-31 |
1984-03-21 |
三菱化学株式会社 |
ホウコウゾクポリカルボンサンノセイゾウホウ
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JPS5278846A
(en)
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1975-12-25 |
1977-07-02 |
Matsuyama Sekyu Kagaku Kk |
Continuous production of high purity telephthalic acid
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GB1574651A
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1976-02-24 |
1980-09-10 |
Matsuyama Petrochemicals Inc |
Process and apparatus for producing aromatic dicarboxylic acids
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JPS52108946A
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1976-03-05 |
1977-09-12 |
Kuraray Yuka Kk |
Production of purified terephthalic acid
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JPS52111532A
(en)
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1976-03-11 |
1977-09-19 |
Kuraray Yuka Kk |
Production of high-purity terephthalic acid
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SU1126202A3
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1976-05-28 |
1984-11-23 |
Институт Фор Атомэнерги (Фирма) |
Способ непрерывной многостадийной кристаллизации из раствора
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DE2623977C3
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1976-05-28 |
1979-04-12 |
Nukem Gmbh, 6450 Hanau |
Verfahren und Vorrichtung zur Herstellung von rieselfähigem, direkt verpressbarem Urandioxid-Pulver
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US4081464A
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1976-07-26 |
1978-03-28 |
Standard Oil Company |
Iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
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US4185073A
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1976-07-26 |
1980-01-22 |
Standard Oil Company (Indiana) |
Apparatus for iso- or terephthalic acid production in and recovery from benzoic acid-water solvent system
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GB1542320A
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1976-10-26 |
1979-03-14 |
Labofina Sa |
Process for the preparation of aromatic dicarboxylic acids
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1977-05-26 |
1979-06-19 |
E. I. Du Pont De Nemours And Company |
Process for the production of fiber-grade terephthalic acid
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1978-01-31 |
1984-11-13 |
Ari Technologies, Inc. |
Autocirculation apparatus
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DE2805915C3
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1978-02-13 |
1981-11-05 |
Dynamit Nobel Ag, 5210 Troisdorf |
Reaktor zur Oxidation von Gemischen aus p-Xylol und p-Toluylsäuremethylester mit sauerstoffhaltigen Gasen in flüssiger Phase
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US4233269A
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1978-11-09 |
1980-11-11 |
Exxon Research & Engineering Co. |
Gas liquid distributor
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1979-03-30 |
1981-04-21 |
Halcon Research And Development Corp. |
Process for oxidation of hydrocarbons
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US4255590A
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1979-11-08 |
1981-03-10 |
Standard Oil Company (Indiana) |
Combination of pyrolysis and incineration of solid mixture of oxygen-containing aromatic compounds obtained as residue of manufacture of benzene di- and tricarboxylic acids
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IT1129759B
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1980-01-23 |
1986-06-11 |
Montedison Spa |
Metodo per ricuperare in forma attiva i componenti del sistema catalitico della sintesi dell'acido tereftalico
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GB2072162B
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1980-03-21 |
1984-03-21 |
Labofina Sa |
Process for the production and the recovery of terephthalic acid
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DE3047101A1
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1980-12-13 |
1982-07-22 |
Hoechst Ag, 6000 Frankfurt |
Verfahren zum verbessern der gasverteilung in mammut-schlaufenreaktoren
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1980-12-22 |
1982-08-03 |
Bechtel International Corporation |
Method for oxidation of p-xylene and method for preparing dimethylterephthalate
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US4334086A
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1981-03-16 |
1982-06-08 |
Labofina S.A. |
Production of terephthalic acid
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1981-05-29 |
1984-07-10 |
Mitsubishi Gas Chemical Company, Inc. |
Method of recovering a catalytic metal
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1981-07-27 |
1984-06-26 |
Rhone-Poulenc, Inc. |
Solvent and catalyst recovery and recycle in the manufacture of phenoxybenzoic acid
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1981-11-16 |
1983-07-05 |
Eastman Kodak Company |
Process for the separation of isophthalic acid from terephthalic acid
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EP0086019B2
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1982-02-09 |
1989-11-29 |
BBC Brown Boveri AG |
Vorrichtung zur Begasung einer Flüssigkeit und Verfahren zum Betrieb der Vorrichtung
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JPS58189134A
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1982-04-30 |
1983-11-04 |
Mitsubishi Chem Ind Ltd |
テレフタル酸の製造方法
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JPS59104345A
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1982-12-03 |
1984-06-16 |
Kuraray Yuka Kk |
直接重合用に適したテレフタル酸の製造方法
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JPS59106435A
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1982-12-10 |
1984-06-20 |
Mitsubishi Chem Ind Ltd |
高純度テレフタル酸の製法
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JPS6036439A
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1983-08-09 |
1985-02-25 |
Mitsubishi Chem Ind Ltd |
テレフタル酸の製法
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1983-09-15 |
1985-02-19 |
Standard Oil Company (Indiana) |
Process for removal and recycle of p-toluic acid from terephthalic acid crystallizer solvent
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1984-08-20 |
1988-09-06 |
Amoco Corporation |
Multistage oxidation in a single reactor
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1984-08-31 |
1986-08-12 |
Eastman Kodak Company |
Process for the purification of terephthalic acid
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1984-10-29 |
1988-10-11 |
Amoco Corporation |
Recycle of vaporized solvent in liquid phase oxidation of an alkyl aromatic
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1984-12-13 |
1989-05-30 |
Amoco Corporation |
Method and apparatus for controlling the manufacture of terephthalic acid to control the level and variability of the contaminant content and the optical density
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1985-07-22 |
1987-03-10 |
M. W. Kellogg Company |
Apparatus for contacting fluid with solid
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GB8527335D0
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1985-11-06 |
1985-12-11 |
Ici Plc |
Fermentation process
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1985-11-22 |
1987-03-24 |
Amoco Corporation |
Method for monitoring the fluorescence of 4-carboxy-p-terphenyl in crude terephthalic acid
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1985-12-30 |
1992-03-24 |
Amoco Corporation |
Method for increasing conversion efficiency for oxidation of an alkyl aromatic compound to an aromatic carboxylic acid
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1985-12-30 |
1990-01-09 |
Amoco Corporation |
Staged aromatics oxidation in aqueous systems
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DE3625261A1
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1986-07-25 |
1988-02-04 |
Basf Ag |
Verfahren zur kontinuierlichen hydroformylierung olefinisch ungesaettigter verbindungen
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1986-07-28 |
1988-09-06 |
Amoco Corporation |
Catalyst recovery method
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1986-07-28 |
1990-04-03 |
Amoco Corporation |
Catalyst recovery method
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JPH078821B2
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1986-09-26 |
1995-02-01 |
三井石油化学工業株式会社 |
芳香族カルボン酸の製造方法
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1986-10-21 |
1990-02-13 |
Union Carbide Corporation |
Gas-liquid mixing
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DE3704720A1
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1987-02-14 |
1988-08-25 |
Huels Troisdorf |
Verfahren und vorrichtung zur herstellung von benzolcarbonsaeuren bzw. benzoldicarbonsaeureestern
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JP2504461B2
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1987-04-24 |
1996-06-05 |
三菱化学株式会社 |
高品質テレフタル酸の製法
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DE3839229A1
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1988-11-19 |
1990-05-23 |
Krupp Koppers Gmbh |
Verfahren zur gewinnung von p-xylol mit einer reinheit von mehr als 99,8 gew.-%
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1988-02-29 |
1993-05-18 |
Amoco Corporation |
Method and apparatus for increasing conversion efficiency and reducing power costs for oxidation of an aromatic alkyl to an aromatic carboxylic acid
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1988-04-25 |
1989-08-08 |
Amoco Corporation |
Method for selectively removing process stream impurities utilizing reverse osmosis
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1988-04-29 |
1989-09-05 |
Amoco Corporation |
Catalyst containing cobalt boron and oxygen and optionally aluminum of preparation and process
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1988-05-27 |
1989-08-08 |
Amoco Corporation |
Process for production of aromatic polycarboxylic acids
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1988-08-05 |
1989-05-23 |
Amoco Corporation |
Method for purifying terephthalic acid recycle streams
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1989-06-05 |
1990-07-03 |
Eastman Kodak Company |
Extraction process for removal of impurities from terephthalic acid filtrate
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1989-11-29 |
1991-04-02 |
Amoco Corporation |
Process for oxidation of alkyl aromatic compounds
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1990-05-04 |
1992-06-30 |
Union Oil Company Of California |
Geopreater heating method and apparatus
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1990-06-25 |
1995-02-16 |
Mitsubishi Gas Chemical Co |
Verfahren zur Herstellung von hochreiner Isophthalsäure.
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1990-11-29 |
1992-03-10 |
Amoco Corporation |
Solvent recovery during production of aromatic polycarboxylic acids
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1991-02-05 |
1991-03-20 |
Ici Plc |
Production of terephthalic acid
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1991-03-07 |
1991-04-17 |
Ici Plc |
Process for the production of terephthalic acid
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1991-12-02 |
1993-07-13 |
Taiwan Styrene Monomer Corporation |
Process for separation of ethylbenzene or ethylbenzene/p-xylene from a xylene isomers mixture
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1992-06-18 |
1994-03-08 |
Amoco Corporation |
Method for preparing aromatic carboxylic acids
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1994-05-11 |
1996-06-04 |
Praxair Technology, Inc. |
Terephthalic acid production using evaporative cooling
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1994-12-26 |
1998-01-27 |
Mitsubishi Gas Chemical Co., Inc. |
Process for producing highly pure terephthalic acid
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1995-04-05 |
1996-10-31 |
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Apparatus and Process for Thermal Oxidative Treatment of Waste Waters
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1995-06-07 |
2000-01-11 |
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Method and apparatus for preparing purified terephthalic acid
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Method and apparatus for preparing purified terephtalic acid
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Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
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1995-06-07 |
1998-09-01 |
Twenty-First Century Research Corporation |
Methods of making intermediate oxidation products by controlling pre-coalescing temperature and transient temperature difference in an atomized liquid
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1995-09-21 |
1998-07-01 |
Interquisa |
Procedimiento industrial para la fabricacion de acidos carboxilicos aromaticos.
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1995-09-29 |
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Inst Francais Du Petrole |
Production de paraxylene a partir d'un effluent de dismutation paraselective du toluene par un procede de cristallisation associe a une adsorption en lit mobile simule
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Process for production of paraxylene
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1996-02-01 |
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Amoco Corporation |
Catalytic purification and recovery of dicarboxylic aromatic acids
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Proses untuk menghasilkan suatu asam aromatik karboksilik
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Method for preparing aromatic carboxylic acids, aromatic aldehydes, and aromatic alcohols
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Rpc Inc. |
Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments
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高純度イソフタル酸の製造方法
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1996-07-29 |
1998-02-17 |
Mitsubishi Gas Chem Co Inc |
分散媒置換装置を用いた高純度テレフタル酸の製造方法
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1996-08-21 |
1998-03-06 |
Twenty-First Century Research Corporation |
Methods and devices for controlling the reaction by adjusting the oxidant consumption rate
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Praxair Technology Inc |
Pengisian oksigen langsung kedalam reaktor-reaktor ruang gelembung
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Process
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Rpc Inc. |
Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio
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Praxair Technology, Inc. |
Stationary vortex system for direct injection of supplemental reactor oxygen
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