DE3367906D1 - Process for modifying and stabilising the colour of carboxylic acids or their mixtures - Google Patents

Process for modifying and stabilising the colour of carboxylic acids or their mixtures

Info

Publication number
DE3367906D1
DE3367906D1 DE8383304627T DE3367906T DE3367906D1 DE 3367906 D1 DE3367906 D1 DE 3367906D1 DE 8383304627 T DE8383304627 T DE 8383304627T DE 3367906 T DE3367906 T DE 3367906T DE 3367906 D1 DE3367906 D1 DE 3367906D1
Authority
DE
Germany
Prior art keywords
stabilising
colour
modifying
mixtures
carboxylic acids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383304627T
Other languages
English (en)
Inventor
Matti Elias Ravaska
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stora Enso Oyj
Original Assignee
OULU Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8515914&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3367906(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by OULU Oy filed Critical OULU Oy
Application granted granted Critical
Publication of DE3367906D1 publication Critical patent/DE3367906D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE
    • C09F1/00—Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins
    • C09F1/04—Chemical modification, e.g. esterification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fats And Perfumes (AREA)
  • Gas Separation By Absorption (AREA)
  • Fertilizers (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
DE8383304627T 1982-08-17 1983-08-10 Process for modifying and stabilising the colour of carboxylic acids or their mixtures Expired DE3367906D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI822853A FI67229C (fi) 1982-08-17 1982-08-17 Foerfarande foer att foerbaettra faergen och faergstabilitetenhos en karboxylsyra eller dess blandning

Publications (1)

Publication Number Publication Date
DE3367906D1 true DE3367906D1 (en) 1987-01-15

Family

ID=8515914

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383304627T Expired DE3367906D1 (en) 1982-08-17 1983-08-10 Process for modifying and stabilising the colour of carboxylic acids or their mixtures

Country Status (8)

Country Link
US (1) US5034509A (de)
EP (1) EP0106445B2 (de)
JP (1) JPS5953439A (de)
AT (1) ATE23850T1 (de)
DD (1) DD213204A5 (de)
DE (1) DE3367906D1 (de)
FI (1) FI67229C (de)
NO (1) NO158383C (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3677624D1 (de) * 1985-04-09 1991-04-04 Raychem Corp Reinigung von saeurehalogeniden.
EP0439578B1 (de) * 1989-08-22 1995-01-04 Amoco Corporation Verfahren zur herstellung von trimellitsäureanhydrid mit besserer farbe
US5101050A (en) * 1989-11-29 1992-03-31 Amoco Corporation Process for the production of aromatic anhydrides and aromatic esters with superior color properties
FR2697020B1 (fr) * 1992-10-15 1994-12-09 Oreal Procédé de désodorisation d'un mercaptoacide par extraction des composés malodorants et produit désodorisé ainsi obtenu.
US5266725A (en) * 1992-12-17 1993-11-30 E. I. Du Pont De Nemours And Company Copper-modified high purity adipic acid
GB201001345D0 (en) 2010-01-27 2010-03-17 Equateq Ltd Process for preparing and purifying fatty acids
CN116096654A (zh) * 2020-10-22 2023-05-09 巴斯夫欧洲公司 用于储存饱和脂族c6-12羧酸的容器和方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2374975A (en) * 1942-03-17 1945-05-01 Hercules Powder Co Ltd Refining tall oil
DE1187629B (de) * 1958-10-31 1965-02-25 Basf Ag Verfahren zur Aufhellung von infolge der Anwesenheit von Metall-, besonders von Schwermetallverbindungen gefaerbten waessrigen Loesungen der Salze aus Phenoxyfettsaeuren, die im Phenylrest chloriert sind, und niedermolekularen aliphatischen Aminen
US3168569A (en) * 1960-02-01 1965-02-02 Mo Och Domsjoe Ab Method of bleaching polyalkylene ethers
US3377333A (en) * 1965-10-15 1968-04-09 Arizona Chem Method of bleaching and stabilization of tall oil during distillation thereof
US3420879A (en) * 1965-12-06 1969-01-07 Standard Oil Co Purifying aromatic polycarboxylic acid
US3551404A (en) * 1968-04-08 1970-12-29 Scm Corp Process for removing color and odor in tall oil rosin
DE1770626A1 (de) * 1968-06-12 1971-12-16 Basf Ag Verfahren zur Herstellung von Polyaminoamiden
US3804819A (en) * 1972-05-03 1974-04-16 Scm Corp Recovery of fatty acids from tall oil heads
DE2556258C2 (de) * 1975-12-13 1978-02-09 Henkel KGaA, 4000 Düsseldorf; Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, 6000 Frankfurt Verfahren zur Herstellung farbstabiler Polyhydroxycarbonsäuren
US4126604A (en) * 1976-02-11 1978-11-21 Westvaco Corporation Treatment of tall oil fatty acids
JPS5513740A (en) * 1978-07-18 1980-01-30 Nippon Oils & Fats Co Ltd Fatty acid purification
JPS5545614A (en) * 1978-09-27 1980-03-31 Nippon Oil & Fats Co Ltd Purification of aliphatic acid
US4222933A (en) * 1979-07-30 1980-09-16 Westvaco Corporation Treatment of rosin
GB2072656B (en) * 1980-03-31 1984-05-23 Boc Ltd Purification of arganic compounds
JPS58101131A (ja) * 1981-12-09 1983-06-16 Sumitomo Rubber Ind Ltd ジ−α，β−エチレン系不飽和カルボン酸亜鉛塩含有ゴム組成物の製法

Also Published As

Publication number Publication date
EP0106445B1 (de) 1986-11-26
NO158383C (no) 1988-08-31
NO158383B (no) 1988-05-24
FI822853A0 (fi) 1982-08-17
US5034509A (en) 1991-07-23
FI67229C (fi) 1985-02-11
NO832936L (no) 1984-02-20
DD213204A5 (de) 1984-09-05
JPH0480959B2 (de) 1992-12-21
EP0106445A1 (de) 1984-04-25
FI67229B (fi) 1984-10-31
FI822853L (fi) 1984-02-18
ATE23850T1 (de) 1986-12-15
JPS5953439A (ja) 1984-03-28
EP0106445B2 (de) 1990-02-21

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: VEITSILUOTO OY, KEMI, FI

8366 Restricted maintained after opposition proceedings