GB1143072A - Purification of esters - Google Patents
Purification of estersInfo
- Publication number
- GB1143072A GB1143072A GB309966A GB309966A GB1143072A GB 1143072 A GB1143072 A GB 1143072A GB 309966 A GB309966 A GB 309966A GB 309966 A GB309966 A GB 309966A GB 1143072 A GB1143072 A GB 1143072A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalates
- adsorbent
- hydroxyalkyl
- jan
- alumina
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1508857D FR1508857A (de) | 1966-01-24 | ||
GB309966A GB1143072A (en) | 1966-01-24 | 1966-01-24 | Purification of esters |
NL6700858A NL6700858A (de) | 1966-01-24 | 1967-01-19 | |
AT64867A AT270624B (de) | 1966-01-24 | 1967-01-23 | Verfahren zur Reinigung von Di-(hydroxyalkyl)-terephthalaten, insbesondere Bis-(β-hydroxyäthyl)-terephthalat |
DE19671618526 DE1618526A1 (de) | 1966-01-24 | 1967-01-24 | Verfahren zur Reinigung von Estern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB309966A GB1143072A (en) | 1966-01-24 | 1966-01-24 | Purification of esters |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1143072A true GB1143072A (en) | 1969-02-19 |
Family
ID=9751915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB309966A Expired GB1143072A (en) | 1966-01-24 | 1966-01-24 | Purification of esters |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT270624B (de) |
DE (1) | DE1618526A1 (de) |
FR (1) | FR1508857A (de) |
GB (1) | GB1143072A (de) |
NL (1) | NL6700858A (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001056970A1 (fr) * | 2000-02-04 | 2001-08-09 | Aies Co., Ltd. | Procede de production de terephtalate de bis-?-hydroxyethyle de grande purete |
WO2003101929A1 (fr) * | 2002-06-04 | 2003-12-11 | Aies Co., Ltd. | Procedes de purification de bis(2-hydroxyethyl)terephtalate |
US7030264B1 (en) * | 2000-07-31 | 2006-04-18 | Aies Co. Ltd. | Bis-β-hydroxyethyl terephthalate |
-
0
- FR FR1508857D patent/FR1508857A/fr not_active Expired
-
1966
- 1966-01-24 GB GB309966A patent/GB1143072A/en not_active Expired
-
1967
- 1967-01-19 NL NL6700858A patent/NL6700858A/xx unknown
- 1967-01-23 AT AT64867A patent/AT270624B/de active
- 1967-01-24 DE DE19671618526 patent/DE1618526A1/de active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001056970A1 (fr) * | 2000-02-04 | 2001-08-09 | Aies Co., Ltd. | Procede de production de terephtalate de bis-?-hydroxyethyle de grande purete |
US6710202B2 (en) | 2000-02-04 | 2004-03-23 | Aies Co., Ltd. | Process for production of high-purity bis-β-hydroxyethyl terephthalate |
US7030264B1 (en) * | 2000-07-31 | 2006-04-18 | Aies Co. Ltd. | Bis-β-hydroxyethyl terephthalate |
WO2003101929A1 (fr) * | 2002-06-04 | 2003-12-11 | Aies Co., Ltd. | Procedes de purification de bis(2-hydroxyethyl)terephtalate |
US7211193B2 (en) | 2002-06-04 | 2007-05-01 | Pet Rebirth Co., Ltd. | Processes for the purification of bis(2-hydroxyethyl)terephthalate |
Also Published As
Publication number | Publication date |
---|---|
DE1618526A1 (de) | 1971-11-25 |
NL6700858A (de) | 1967-07-25 |
AT270624B (de) | 1969-05-12 |
FR1508857A (de) | 1968-03-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1293774A (en) | Purification of carboxylic acids | |
BR7504020A (pt) | Processo para producao de acido acetico por reacao de etileno e oxigenio com adicao de agua | |
GB1143072A (en) | Purification of esters | |
GB1300833A (en) | Production of ethylene glycol | |
GB1219018A (en) | Process for the purification of glycols | |
ES8103006A1 (es) | Procedimiento para la sintesis de sec-butanol a partir de butenos lineales | |
GB1298075A (en) | Production of di-neo dicarboxylic acids | |
GB899205A (en) | The purification and polymerisation of vinylene carbonate | |
CH395958A (fr) | Procédé de purification d'acides phtaliques, notamment de l'acide téréphtalique | |
GB932246A (en) | Purification of phthalic acids | |
GB1125048A (en) | Improvements in or relating to the recovery of vinyl acetate | |
ES383223A1 (es) | Procedimiento para la preparacion de acroleina. | |
SU497283A1 (ru) | Способ получени -оксиэтиловых эфиров бензойной или оксибензойных кислот | |
GB1099231A (en) | Adipic acid purification | |
CH388923A (fr) | Procédé de purification de l'acide téréphtalique | |
GB1303282A (de) | ||
GB1145477A (en) | Process for purifying ethylene glycol | |
FR1228656A (fr) | Procédé de récupération des acides dicarboxyliques et des anhydrides d'acides, notamment des acides succinique, glutarique et adipique | |
FR1227628A (fr) | Procédé pour la production d'esters de l'acide téréphtalique | |
CA553081A (en) | Purification of toluic acids | |
Barta et al. | Treatment of waste waters from the manufacture of citric acid by sulphide fermentation | |
ES361704A1 (es) | Un metodo para purificar y cristalizar una proteasa. | |
FR1235370A (fr) | Procédé d'oxydation du para-xylène et du para-di-isopropyl-benzène en acide téréphtalique | |
GB1015059A (en) | Process for purifying ª-methyl-ª-(3,4-dihydroxyphenyl)-alanine | |
FR1268930A (fr) | Procédé de purification de l'acide téréphtalique |