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
Application number
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to US05/178,475 priority Critical patent/US3944602A/en
Publication of USB178475I5 publication Critical patent/USB178475I5/en
Application granted granted Critical
Publication of US3944602A publication Critical patent/US3944602A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
US05/178,475 1965-07-28 1971-09-07 Process for the preparation of terephthalic acid Expired - Lifetime US3944602A (en)

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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US3944602A (en) 1976-03-16

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