NL276789A - - Google Patents
Info
- Publication number
- NL276789A NL276789A NL276789DA NL276789A NL 276789 A NL276789 A NL 276789A NL 276789D A NL276789D A NL 276789DA NL 276789 A NL276789 A NL 276789A
- Authority
- NL
- Netherlands
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10544561A | 1961-04-25 | 1961-04-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL276789A true NL276789A (nl) |
Family
ID=22305891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL276789D NL276789A (nl) | 1961-04-25 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE615996A (nl) |
CH (1) | CH410899A (nl) |
DE (1) | DE1242211B (nl) |
FR (1) | FR1323814A (nl) |
GB (1) | GB953482A (nl) |
NL (1) | NL276789A (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6054610A (en) | 1995-06-07 | 2000-04-25 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes |
US5929274A (en) | 1995-06-07 | 1999-07-27 | Hfm International, Inc. | Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid |
US6013835A (en) | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB695170A (en) * | 1950-09-07 | 1953-08-05 | Bofors Ab | Method of purifying organic compounds |
DE1025875B (de) * | 1954-08-18 | 1958-03-13 | Basf Ag | Verfahren zur Abtrennung von Begleitstoffen aus kristallinen Stoffen |
GB777782A (en) * | 1955-06-24 | 1957-06-26 | Ici Ltd | Purification of terephthalic acid |
-
0
- NL NL276789D patent/NL276789A/xx unknown
-
1962
- 1962-03-30 GB GB1242562A patent/GB953482A/en not_active Expired
- 1962-04-04 DE DEC26626A patent/DE1242211B/de active Pending
- 1962-04-04 CH CH410462A patent/CH410899A/de unknown
- 1962-04-04 BE BE615996D patent/BE615996A/xx unknown
- 1962-04-05 FR FR893473A patent/FR1323814A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH410899A (de) | 1966-04-15 |
DE1242211B (de) | 1967-06-15 |
GB953482A (en) | 1964-03-25 |
BE615996A (nl) | 1962-10-04 |
FR1323814A (fr) | 1963-04-12 |