ES361670A1 - Procedimiento de obtencion de anhidrido trimelitico. - Google Patents

Procedimiento de obtencion de anhidrido trimelitico.

Info

Publication number
ES361670A1
ES361670A1 ES361670A ES361670A ES361670A1 ES 361670 A1 ES361670 A1 ES 361670A1 ES 361670 A ES361670 A ES 361670A ES 361670 A ES361670 A ES 361670A ES 361670 A1 ES361670 A1 ES 361670A1
Authority
ES
Spain
Prior art keywords
anhydride
abs
residue
water
carboxylic 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
ES361670A
Other languages
English (en)
Spanish (es)
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.)
Progil SARL
Original Assignee
Progil SARL
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 Progil SARL filed Critical Progil SARL
Publication of ES361670A1 publication Critical patent/ES361670A1/es
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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ES361670A 1967-12-29 1968-12-19 Procedimiento de obtencion de anhidrido trimelitico. Expired ES361670A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR134511 1967-12-29

Publications (1)

Publication Number Publication Date
ES361670A1 true ES361670A1 (es) 1971-01-01

Family

ID=8644000

Family Applications (1)

Application Number Title Priority Date Filing Date
ES361670A Expired ES361670A1 (es) 1967-12-29 1968-12-19 Procedimiento de obtencion de anhidrido trimelitico.

Country Status (7)

Country Link
AT (1) AT284822B (enExample)
BE (1) BE726024A (enExample)
DE (1) DE1817192A1 (enExample)
ES (1) ES361670A1 (enExample)
FR (1) FR1556414A (enExample)
GB (1) GB1236080A (enExample)
NL (1) NL6818635A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT952118B (it) * 1971-03-23 1973-07-20 Standard Oil Co Metodo di recupero di anidride trimellitica da prodotto grezzo che la contiene

Also Published As

Publication number Publication date
FR1556414A (enExample) 1969-02-07
DE1817192A1 (de) 1969-08-14
GB1236080A (en) 1971-06-16
NL6818635A (enExample) 1969-07-01
AT284822B (de) 1970-09-25
BE726024A (enExample) 1969-05-29

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