NO125527B - - Google Patents

Download PDF

Info

Publication number: NO125527B
Authority: NO; Norway
Prior art keywords: catalyst; weight; acid; barium; maleic acid
Prior art date: 1966-07-14

Application number

NO169043A

Other languages

English (en)

Norwegian (no)

Inventor

B Holm

S Toernmarck

Original Assignee

Kockums Mekaniska Verkstads Ab

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.)

1966-07-14

Filing date

1967-07-13

Publication date

1972-09-25

1967-07-13 Application filed by Kockums Mekaniska Verkstads Ab filed Critical Kockums Mekaniska Verkstads Ab

1972-09-25 Publication of NO125527B publication Critical patent/NO125527B/no

Links

239000003054 catalyst Substances 0.000 claims description 42
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 23
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 23
239000011976 maleic acid Substances 0.000 claims description 23
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 23
QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 20
239000005751 Copper oxide Substances 0.000 claims description 20
229910000431 copper oxide Inorganic materials 0.000 claims description 20
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 19
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 18
235000012239 silicon dioxide Nutrition 0.000 claims description 18
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 17
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
238000006114 decarboxylation reaction Methods 0.000 claims description 14
229910052788 barium Inorganic materials 0.000 claims description 13
238000000034 method Methods 0.000 claims description 13
239000000203 mixture Substances 0.000 claims description 10
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
239000004115 Sodium Silicate Substances 0.000 claims description 7
238000004519 manufacturing process Methods 0.000 claims description 7
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
229910052911 sodium silicate Inorganic materials 0.000 claims description 7
AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims description 6
150000001553 barium compounds Chemical class 0.000 claims description 6
238000006243 chemical reaction Methods 0.000 claims description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
229910052742 iron Inorganic materials 0.000 claims description 4
239000001301 oxygen Substances 0.000 claims description 4
229910052760 oxygen Inorganic materials 0.000 claims description 4
238000002360 preparation method Methods 0.000 claims description 3
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 18
239000000243 solution Substances 0.000 description 18
239000007864 aqueous solution Substances 0.000 description 10
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
230000000694 effects Effects 0.000 description 9
230000007306 turnover Effects 0.000 description 7
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 6
239000010949 copper Substances 0.000 description 5
239000000126 substance Substances 0.000 description 5
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 4
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 4
229910052802 copper Inorganic materials 0.000 description 4
239000012153 distilled water Substances 0.000 description 4
229910002012 Aerosil® Inorganic materials 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
239000002253 acid Substances 0.000 description 3
238000009835 boiling Methods 0.000 description 3
230000003197 catalytic effect Effects 0.000 description 3
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
239000000725 suspension Substances 0.000 description 3
239000005711 Benzoic acid Substances 0.000 description 2
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
150000007513 acids Chemical class 0.000 description 2
235000010233 benzoic acid Nutrition 0.000 description 2
239000012043 crude product Substances 0.000 description 2
238000004821 distillation Methods 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
230000002401 inhibitory effect Effects 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
239000000047 product Substances 0.000 description 2
239000008262 pumice Substances 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000010457 zeolite Substances 0.000 description 2
TUSDEZXZIZRFGC-UHFFFAOYSA-N 1-O-galloyl-3,6-(R)-HHDP-beta-D-glucose Natural products OC1C(O2)COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC1C(O)C2OC(=O)C1=CC(O)=C(O)C(O)=C1 TUSDEZXZIZRFGC-UHFFFAOYSA-N 0.000 description 1
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
239000001263 FEMA 3042 Substances 0.000 description 1
LRBQNJMCXXYXIU-PPKXGCFTSA-N Penta-digallate-beta-D-glucose Natural products OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-PPKXGCFTSA-N 0.000 description 1
LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
229940115440 aluminum sodium silicate Drugs 0.000 description 1
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
229910001626 barium chloride Inorganic materials 0.000 description 1
159000000009 barium salts Chemical class 0.000 description 1
AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
239000000969 carrier Substances 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
239000013065 commercial product Substances 0.000 description 1
150000001879 copper Chemical class 0.000 description 1
XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
230000007423 decrease Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000006260 foam Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
239000007788 liquid Substances 0.000 description 1
FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
238000002156 mixing Methods 0.000 description 1
125000005609 naphthenate group Chemical group 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000000926 separation method Methods 0.000 description 1
150000004760 silicates Chemical class 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
KQSJSRIUULBTSE-UHFFFAOYSA-M sodium;3-(3-ethylcyclopentyl)propanoate Chemical compound [Na+].CCC1CCC(CCC([O-])=O)C1 KQSJSRIUULBTSE-UHFFFAOYSA-M 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000004575 stone Substances 0.000 description 1
LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
229940033123 tannic acid Drugs 0.000 description 1
235000015523 tannic acid Nutrition 0.000 description 1
229920002258 tannic acid Polymers 0.000 description 1
230000001052 transient effect Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000011787 zinc oxide Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/72—Fluidising devices
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/406—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom
- B01F33/4062—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles with gas supply only at the bottom with means for modifying the gas pressure or for supplying gas at different pressures or in different volumes at different parts of the bottom
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/40—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with fluidised bed subjected to vibrations or pulsations
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2812/00—Indexing codes relating to the kind or type of conveyors
- B65G2812/16—Pneumatic conveyors
- B65G2812/1608—Pneumatic conveyors for bulk material
- B65G2812/1641—Air pressure systems
- B65G2812/165—Details

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Combustion & Propulsion (AREA)
Organic Chemistry (AREA)
Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Air Transport Of Granular Materials (AREA)
Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NO169043A 1966-07-14 1967-07-13 NO125527B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE963266		1966-07-14

Publications (1)

Publication Number	Publication Date
NO125527B true NO125527B (de)	1972-09-25

Family

ID=20277148

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO169043A NO125527B (de)	1966-07-14	1967-07-13

Country Status (10)

Country	Link
US (1)	US3519310A (de)
AT (1)	AT284008B (de)
BE (1)	BE701211A (de)
DK (1)	DK117938B (de)
ES (2)	ES342954A1 (de)
FI (1)	FI48819C (de)
GB (1)	GB1196956A (de)
GR (1)	GR33982B (de)
NL (1)	NL6709579A (de)
NO (1)	NO125527B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3758162A (en) *	1968-11-22	1973-09-11	B Holm	Method and apparatus for fluidizing activation of particulate, granular, viscous and similar materials
CA1047579A (en) *	1974-10-02	1979-01-30	Paul E. Solt	Pulsed air activated conveyor and system
DE3277196D1 (en) *	1982-03-23	1987-10-15	Govoni & C Spa	Extractor with fluidified plate for hygroscopic products
DE3331767A1 (de) *	1983-09-02	1985-03-21	Waeschle Maschinenfabrik Gmbh, 7980 Ravensburg	Behaelter zur lagerung bruchempfindlicher, pneumatisch gefoerderter schuettgueter
GB0229252D0 (en) *	2002-12-16	2003-01-22	Clyde Blowers Ltd	Transport and pneumatic conveying of bulk powders
US6986625B2 (en) *	2003-04-21	2006-01-17	Anthony John Witheridge	Maintaining fluidized beds of cohesive particles using vibrating fluids

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2805896A (en) *	1954-02-23	1957-09-10	Bituminous Coal Research	Pneumatic material handling system and apparatus
US2924489A (en) *	1954-11-09	1960-02-09	Beckmann Heinrich	Process and apparatus for conveying finely divided material
US2873890A (en) *	1957-05-27	1959-02-17	Starkenberg Arnold	Dispenser for comminuted commodities
US2957727A (en) *	1957-11-21	1960-10-25	Simon Ltd Henry	Pneumatic conveyors and the like for powdered and granular materials

1967
- 1967-06-28 GB GB29767/67A patent/GB1196956A/en not_active Expired
- 1967-07-10 FI FI671898A patent/FI48819C/fi active
- 1967-07-10 GR GR670133982A patent/GR33982B/el unknown
- 1967-07-11 NL NL6709579A patent/NL6709579A/xx unknown
- 1967-07-11 BE BE701211D patent/BE701211A/xx unknown
- 1967-07-12 ES ES342954A patent/ES342954A1/es not_active Expired
- 1967-07-13 DK DK362367AA patent/DK117938B/da unknown
- 1967-07-13 AT AT657767A patent/AT284008B/de not_active IP Right Cessation
- 1967-07-13 NO NO169043A patent/NO125527B/no unknown
1968
- 1968-07-20 ES ES356345A patent/ES356345A1/es not_active Expired
- 1968-11-22 US US788111*A patent/US3519310A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI48819B (de)	1974-09-30
US3519310A (en)	1970-07-07
FI48819C (fi)	1975-01-10
ES342954A1 (es)	1968-12-01
BE701211A (de)	1967-12-18
NL6709579A (de)	1968-01-15
DE1556037A1 (de)	1970-11-26
DK117938B (da)	1970-06-15
ES356345A1 (es)	1970-02-01
GR33982B (el)	1968-02-29
AT284008B (de)	1970-08-25
GB1196956A (en)	1970-07-01

Publication	Publication Date	Title
US3386978A (en)	1968-06-04	Preparation of hydrolyzed ethylene/vinyl acetate copolymer
NO125527B (de)	1972-09-25
US2302462A (en)	1942-11-17	Process of preparing cumic acid
US5175193A (en)	1992-12-29	Process for the preparation of weakly acid cation exchange resins
US2198393A (en)	1940-04-23	Purification of liquid matter
US2704296A (en)	1955-03-15	Treatment of maleic acid liquors with chlorine
US1866717A (en)	1932-07-12	Rhine
US2902512A (en)	1959-09-01	Manufacture of acrylic acid
US2846468A (en)	1958-08-05	Recovery of terephthalic acid
US2157965A (en)	1939-05-09	Process for producing phthalic anhydride
AT201579B (de)	1959-01-10	Verfahren zur Herstellung von Acrylsäure
US1985792A (en)	1934-12-25	Catalyst
US2551436A (en)	1951-05-01	Process for polymerization of rosin
CN1066262A (zh)	1992-11-18	对位二氯苯的制备方法
US3318949A (en)	1967-05-09	Process for chlorinating ortho-cresol
US1892768A (en)	1933-01-03	Oxidation of fluorene
CN108640830A (zh)	2018-10-12	一种有机酸铋的制备方法
US1971656A (en)	1934-08-28	Preparation of vinylacetylene
US2333368A (en)	1943-11-02	Hydration of phthalic anhydride
US2130480A (en)	1938-09-20	Process of hydrogenating 5-nitrophthalide
US1851362A (en)	1932-03-29	Catalytic side chain oxidation of aromatic compounds
US2466889A (en)	1949-04-12	Alcohol-soluble phenol-modified coumarone-indene resin
DE1768367B1 (de)	1972-03-09	Verfahren zur Herstellung von 1,2-Dichloraethan
US2227606A (en)	1941-01-07	Conversion of hydrocarbons
US1175587A (en)	1916-03-14	Process for the recovery of metal oxids and hydroxids.