[go: up one dir, main page]

CA611032A - Decomposition of polyesters of terephthalic acid to terephthalic acid - Google Patents

Decomposition of polyesters of terephthalic acid to terephthalic acid

Info

Publication number
CA611032A
CA611032A CA611032A CA611032DA CA611032A CA 611032 A CA611032 A CA 611032A CA 611032 A CA611032 A CA 611032A CA 611032D A CA611032D A CA 611032DA CA 611032 A CA611032 A CA 611032A
Authority
CA
Canada
Prior art keywords
terephthalic acid
polyesters
decomposition
terephthalic
acid
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
Application number
CA611032A
Inventor
Katzschmann Ewald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemische Werke Witten GmbH
Original Assignee
Chemische Werke Witten GmbH
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.)
Publication date
Application granted granted Critical
Publication of CA611032A publication Critical patent/CA611032A/en
Expired 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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA611032A 1957-04-02 Decomposition of polyesters of terephthalic acid to terephthalic acid Expired CA611032A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE824624X 1957-04-02

Publications (1)

Publication Number Publication Date
CA611032A true CA611032A (en) 1960-12-20

Family

ID=6747325

Family Applications (1)

Application Number Title Priority Date Filing Date
CA611032A Expired CA611032A (en) 1957-04-02 Decomposition of polyesters of terephthalic acid to terephthalic acid

Country Status (3)

Country Link
CA (1) CA611032A (en)
FR (1) FR1193540A (en)
GB (1) GB824624A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4578510A (en) * 1984-12-11 1986-03-25 Celanese Corporation Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
EP4257636A4 (en) * 2021-01-14 2025-04-09 Kolon Industries, Inc. POLYESTER DEPOLYMERIZATION PROCESS
EP4257635A4 (en) * 2021-01-14 2025-04-16 Kolon Industries, Inc. METHOD FOR DECOLORIZING POLYESTER AND METHOD FOR DEPOLYMERIZING POLYESTER COMPRISING SAME

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
US4578510A (en) * 1984-12-11 1986-03-25 Celanese Corporation Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers
EP4257636A4 (en) * 2021-01-14 2025-04-09 Kolon Industries, Inc. POLYESTER DEPOLYMERIZATION PROCESS
EP4257635A4 (en) * 2021-01-14 2025-04-16 Kolon Industries, Inc. METHOD FOR DECOLORIZING POLYESTER AND METHOD FOR DEPOLYMERIZING POLYESTER COMPRISING SAME

Also Published As

Publication number Publication date
FR1193540A (en) 1959-11-03
GB824624A (en) 1959-12-02

Similar Documents

Publication Publication Date Title
CA611032A (en) Decomposition of polyesters of terephthalic acid to terephthalic acid
CA557996A (en) Purification of terephthalic acid
CA591129A (en) Process of preparing terephthalic acid
CA586032A (en) Production of terephthalic acid esters
CA532401A (en) Manufacture of terephthalic acid
CA597627A (en) Manufacture of esters of terephthalic acid
CA545449A (en) Manufacture of terephthalic acid from p-cymene
CA588647A (en) Manufacture of terephthalic acid
CA567171A (en) Purification of terephthalic acid
CA557992A (en) Purification of terephthalic acid
CA557997A (en) Purification of terephthalic acid
CA567163A (en) Purification of terephthalic acid
CA557998A (en) Purification of terephthalic acid
CA567201A (en) Purification of terephthalic acid
CA600979A (en) Process of preparing terephthalic acid from benzoic acid
CA537768A (en) Preparation of polyesters
CA542679A (en) Aryl esters of chlorobenzoic acid
CA625991A (en) Manufacture of terephthalic acid
CA617552A (en) Manufacture of terephthalic acid
CA582504A (en) Method for the decomposition of polyethylene terephthalate to terephthal acid dimethyl ester
CA547227A (en) Production of chloric acid
CA591390A (en) Recovery of terephthalic acid
CA605509A (en) Recovery of terephthalic acid
CA576202A (en) Production of phthalic acids
AU266812B2 (en) Preparation of terephthalic acid