IT941430B - Purificazione dell acido tereftalico - Google Patents

Purificazione dell acido tereftalico

Info

Publication number
IT941430B
IT941430B IT27787/71A IT2778771A IT941430B IT 941430 B IT941430 B IT 941430B IT 27787/71 A IT27787/71 A IT 27787/71A IT 2778771 A IT2778771 A IT 2778771A IT 941430 B IT941430 B IT 941430B
Authority
IT
Italy
Prior art keywords
purification
terephthalic acid
terephthalic
acid
Prior art date
Application number
IT27787/71A
Other languages
English (en)
Original Assignee
Rudzki H
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 by Rudzki H filed Critical Rudzki H
Application granted granted Critical
Publication of IT941430B publication Critical patent/IT941430B/it

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
    • C07C51/02—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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT27787/71A 1971-01-21 1971-08-24 Purificazione dell acido tereftalico IT941430B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00108515A US3849489A (en) 1971-01-21 1971-01-21 Purification of terephthalic acid

Publications (1)

Publication Number Publication Date
IT941430B true IT941430B (it) 1973-03-01

Family

ID=22322649

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27787/71A IT941430B (it) 1971-01-21 1971-08-24 Purificazione dell acido tereftalico

Country Status (2)

Country Link
US (1) US3849489A (it)
IT (1) IT941430B (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087437A (en) * 1976-09-07 1978-05-02 Eli Lilly And Company 2-Phenyl-5-benzoxazolylalkanoic acid purification process
US4173708A (en) * 1977-10-31 1979-11-06 Allied Chemical Corporation Purification of 4,4'-benzophenonedicarboxylic acid
US4542239A (en) * 1981-11-18 1985-09-17 Board Of Control Of Michigan Technological University Process for recovering terephthalic acid from waste polyethylene terephthalate
US6723873B1 (en) 2000-08-30 2004-04-20 Eastman Chemical Company Production of terephthalic acid and ethylene glycol from polyethlene terephthalate by ammoniolysis

Also Published As

Publication number Publication date
US3849489A (en) 1974-11-19

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