USB178475I5 - - Google Patents
Info
- Publication number
- USB178475I5 USB178475I5 US17847571A USB178475I5 US B178475 I5 USB178475 I5 US B178475I5 US 17847571 A US17847571 A US 17847571A US B178475 I5 USB178475 I5 US B178475I5
- Authority
- US
- United States
- 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.)
- Pending
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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/178,475 US3944602A (en) | 1965-07-28 | 1971-09-07 | Process for the preparation of terephthalic acid |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DT1259326 | 1965-07-28 | ||
DE1259326 | 1965-07-28 | ||
US56840566A | 1966-07-28 | 1966-07-28 | |
US05/178,475 US3944602A (en) | 1965-07-28 | 1971-09-07 | Process for the preparation of terephthalic acid |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US56840566A Continuation | 1965-07-28 | 1966-07-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
USB178475I5 true USB178475I5 (forum.php) | 1975-01-28 |
US3944602A US3944602A (en) | 1976-03-16 |
Family
ID=27180484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/178,475 Expired - Lifetime US3944602A (en) | 1965-07-28 | 1971-09-07 | Process for the preparation of terephthalic acid |
Country Status (1)
Country | Link |
---|---|
US (1) | US3944602A (forum.php) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095146A (en) * | 1991-03-25 | 1992-03-10 | Amoco Corporation | Water addition to crystallization train to purify terephthalic acid product |
CN108341939A (zh) * | 2018-01-23 | 2018-07-31 | 浙江省现代纺织工业研究院 | 一种杂化对二甲苯的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2572710A (en) * | 1949-09-23 | 1951-10-23 | Monsanto Chemicals | Preparation of terephthalic acid |
US2894978A (en) * | 1956-07-02 | 1959-07-14 | Chemische Werke Witten Gmbh | Process of producing esters of phthalic acids by oxidation of xylene and toluic acid ester mixtures |
US3171856A (en) * | 1962-01-04 | 1965-03-02 | Socony Mobil Oil Co Inc | Acid purification process |
US3364256A (en) * | 1964-09-09 | 1968-01-16 | Teijin Ltd | Process for preparation of high purity terephthalic acid |
-
1971
- 1971-09-07 US US05/178,475 patent/US3944602A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3944602A (en) | 1976-03-16 |