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 mixturesInfo
- 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
Links
- 239000000203 mixture Substances 0.000 title abstract 4
- 150000001735 carboxylic acids Chemical class 0.000 title abstract 3
- 230000003019 stabilising effect Effects 0.000 title 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 1
- 229930195729 fatty acid Natural products 0.000 abstract 1
- 239000000194 fatty acid Substances 0.000 abstract 1
- 150000004665 fatty acids Chemical class 0.000 abstract 1
- 150000004678 hydrides Chemical class 0.000 abstract 1
- 239000012280 lithium aluminium hydride Substances 0.000 abstract 1
- 239000011347 resin Chemical class 0.000 abstract 1
- 229920005989 resin Chemical class 0.000 abstract 1
- 239000012279 sodium borohydride Substances 0.000 abstract 1
- 229910000033 sodium borohydride Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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)
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)
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)
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 |
-
1982
- 1982-08-17 FI FI822853A patent/FI67229C/fi not_active IP Right Cessation
-
1983
- 1983-08-10 EP EP83304627A patent/EP0106445B2/de not_active Expired - Lifetime
- 1983-08-10 DE DE8383304627T patent/DE3367906D1/de not_active Expired
- 1983-08-10 AT AT83304627T patent/ATE23850T1/de not_active IP Right Cessation
- 1983-08-16 NO NO832936A patent/NO158383C/no not_active IP Right Cessation
- 1983-08-16 DD DD83253995A patent/DD213204A5/de not_active IP Right Cessation
- 1983-08-17 JP JP58150886A patent/JPS5953439A/ja active Granted
-
1989
- 1989-11-01 US US07/430,957 patent/US5034509A/en not_active Expired - Lifetime
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 |