KR930703228A - 카복실산 및 무수물의 정제 방법 - Google Patents
카복실산 및 무수물의 정제 방법Info
- Publication number
- KR930703228A KR930703228A KR1019930702238A KR930702238A KR930703228A KR 930703228 A KR930703228 A KR 930703228A KR 1019930702238 A KR1019930702238 A KR 1019930702238A KR 930702238 A KR930702238 A KR 930702238A KR 930703228 A KR930703228 A KR 930703228A
- Authority
- KR
- South Korea
- Prior art keywords
- solution consists
- anhydride
- acid
- solution
- process according
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
-
- 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
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- 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)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
본원은 카복실산 및/또는 카복실무수물 용액내의 올레핀성 불순물을 감소시키는 방법에 관한 것이다. 본 발명은 올레핀성 불순물 흔적량의 거의 전부, 즉 90% 이상을 제거하기에 특히 유용하다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (12)
- 강 산성 수지와 C2-C8카복실산 및 /또는 C4-C16카복실산 무수물로 구성된 용액을 접촉시키는 것으로 이루어지는, 상기 용액내 모노올레핀성 불순물 양을 감소시키는 방법.
- 제1항에 있어서, 올레핀성 불순물이 최소한 하나의 탄소-탄소 이중결합을 함유하는 C2내지 C20탄화수소인 방법.
- 제1항에 있어서, 올레핀성 불순물이 메지틸 옥사이드인 방법.
- 제1항 또는 제3항에 있어서, 용액이 아세트산으로 구성되는 방법.
- 제1항 또는 제3항에 있어서, 용액이 아세트산 무수물로 구성되는 방법.
- 제1항 또는 제3항에 있어서, 용액이 아세트산 및 아세트산 무수물로 구성되는 방법.
- 제1항에 있어서, 용액이 n-프로판산으로 구성되는 방법.
- 제1항에 있어서, 용액이 n-부탄산으로 구성되는 방법.
- 제1항에 있어서, 용액이 이소부티르산으로 구성되는 방법.
- 제1항에 있어서, 용액이 프로판산무수물로 구성되는 방법.
- 제1항에 있어서, 용액이 부탄산무수물로 구성되는 방법.
- 제1항에 있어서, 용액이 이소부탄무수물로 구성되는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US646,029 | 1976-01-02 | ||
US07/646,029 US5175363A (en) | 1991-01-28 | 1991-01-28 | Method for purification of carboxylic acids and anhydrides |
PCT/US1992/000631 WO1992012954A1 (en) | 1991-01-28 | 1992-01-27 | Method for purification of carboxylic acids and anhydrides |
Publications (1)
Publication Number | Publication Date |
---|---|
KR930703228A true KR930703228A (ko) | 1993-11-29 |
Family
ID=24591448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930702238A KR930703228A (ko) | 1991-01-28 | 1992-01-27 | 카복실산 및 무수물의 정제 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5175363A (ko) |
EP (1) | EP0569492A1 (ko) |
JP (1) | JPH06505257A (ko) |
KR (1) | KR930703228A (ko) |
CA (1) | CA2098293A1 (ko) |
WO (1) | WO1992012954A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8969613B2 (en) * | 2012-10-31 | 2015-03-03 | Lyondellbasell Acetyls, Llc | Removal of aldehydes in acetic acid production |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2131791A1 (de) * | 1971-06-26 | 1973-01-11 | Erdoelchemie Gmbh | Verfahren zur reinigung von cyclopenten |
DE2261067A1 (de) * | 1972-12-14 | 1974-06-27 | Henkel & Cie Gmbh | Verfahren zur reinigung von fettsaeureoder fettsaeureestergemischen |
CA1048435A (en) * | 1973-12-22 | 1979-02-13 | Uwe Hansen | Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same |
IT1012685B (it) * | 1974-05-21 | 1977-03-10 | Snam Progetti | Processo per la separazione di buta diene da correnti idrocarburiche o 4 ottenute per steam cracking |
PL95706B3 (pl) * | 1975-06-02 | 1977-11-30 | Instytut Chemii Przemyslowej Te Warschau | Sposob oczyszczania weglowodorow aromatycznych |
US4189442A (en) * | 1978-10-18 | 1980-02-19 | The Procter & Gamble Company | Separation of fatty acid esters |
US4313016A (en) * | 1980-10-23 | 1982-01-26 | Petro-Tex Chemical Corporation | Isobutene removal from C4 streams |
JPH0615491B2 (ja) * | 1986-03-31 | 1994-03-02 | ダイセル化学工業株式会社 | 無水酢酸の精製方法 |
-
1991
- 1991-01-28 US US07/646,029 patent/US5175363A/en not_active Expired - Fee Related
-
1992
- 1992-01-27 WO PCT/US1992/000631 patent/WO1992012954A1/en not_active Application Discontinuation
- 1992-01-27 CA CA002098293A patent/CA2098293A1/en not_active Abandoned
- 1992-01-27 EP EP92905057A patent/EP0569492A1/en not_active Ceased
- 1992-01-27 JP JP4505713A patent/JPH06505257A/ja active Pending
- 1992-01-27 KR KR1019930702238A patent/KR930703228A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPH06505257A (ja) | 1994-06-16 |
EP0569492A1 (en) | 1993-11-18 |
US5175363A (en) | 1992-12-29 |
WO1992012954A1 (en) | 1992-08-06 |
CA2098293A1 (en) | 1992-07-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |