NL206812A - - Google Patents
Info
- Publication number
- NL206812A NL206812A NL206812DA NL206812A NL 206812 A NL206812 A NL 206812A NL 206812D A NL206812D A NL 206812DA NL 206812 A NL206812 A NL 206812A
- Authority
- NL
- Netherlands
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
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/416—Henkel reaction and related reactions, i.e. rearrangement of carboxylate salt groups linked to six-membered aromatic rings, in the absence or in the presence of CO or CO2, (e.g. preparation of terepholates from benzoates); no additional classification for the subsequent hydrolysis of the salt groups has to be given
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE793492X | 1955-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL206812A true NL206812A (US06265458-20010724-C00032.png) |
Family
ID=6709859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL206812D NL206812A (US06265458-20010724-C00032.png) | 1955-05-04 |
Country Status (5)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215735A (en) * | 1961-07-06 | 1965-11-02 | Teikoku Jinzo Kenshi Kk | Method of treating aqueous solution of alkali salts of aromatic carboxylic acids |
| US3219691A (en) * | 1962-03-23 | 1965-11-23 | Sun Oil Co | Preparation of naphthalene-2,6-dicarboxylic acid |
| US3243457A (en) * | 1963-04-05 | 1966-03-29 | Teijin Ltd | Process for producing purified terephthalic acid |
| DE1251303B (de) * | 1963-11-28 | 1967-10-05 | Teijm Limited, Osaka (Japan) | Verfahren zur Herstellung von Terephthalsäure |
| US3875218A (en) * | 1971-06-25 | 1975-04-01 | Phillips Petroleum Co | Aromatic carboxylic acid disproportionation |
| US3873609A (en) * | 1973-01-05 | 1975-03-25 | Phillips Petroleum Co | Continuous slurry process for formation of aromatic polycarboxylic acids |
| US6013835A (en) * | 1995-06-07 | 2000-01-11 | Hfm International, Inc. | Method and apparatus for preparing purified terephthalic acid |
| 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 |
| US5767311A (en) * | 1995-06-07 | 1998-06-16 | Glitsch International, Inc. | Method and apparatus for preparing purified terephtalic acid |
| US6441225B1 (en) | 1999-08-30 | 2002-08-27 | Mossi & Ghisolfi Overseas, S.A. | Purification of aromatic diacids |
| TW201343912A (zh) | 2012-01-20 | 2013-11-01 | Genomatica Inc | 製造對苯二酸及其鹽類之微生物及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2697723A (en) * | 1952-06-26 | 1954-12-21 | California Research Corp | Separation of isophthalic and terephthalic acid mixtures |
| NL87537C (US06265458-20010724-C00032.png) * | 1952-11-21 | |||
| NL92536C (US06265458-20010724-C00032.png) * | 1952-12-06 |
-
0
- BE BE547302D patent/BE547302A/xx unknown
- NL NL206812D patent/NL206812A/xx unknown
-
1956
- 1956-05-01 US US581838A patent/US2905709A/en not_active Expired - Lifetime
- 1956-05-03 GB GB13654/56A patent/GB793492A/en not_active Expired
- 1956-05-04 FR FR1148354D patent/FR1148354A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2905709A (en) | 1959-09-22 |
| BE547302A (US06265458-20010724-C00032.png) | |
| FR1148354A (fr) | 1957-12-06 |
| GB793492A (en) | 1958-04-16 |
