NL6611780A - - Google Patents

Info

Publication number
NL6611780A
NL6611780A NL6611780A NL6611780A NL6611780A NL 6611780 A NL6611780 A NL 6611780A NL 6611780 A NL6611780 A NL 6611780A NL 6611780 A NL6611780 A NL 6611780A NL 6611780 A NL6611780 A NL 6611780A
Authority
NL
Netherlands
Application number
NL6611780A
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
Publication of NL6611780A publication Critical patent/NL6611780A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54Preparation of carboxylic acid anhydrides
    • C07C51/573Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL6611780A 1965-09-03 1966-08-22 NL6611780A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US485115A US3361650A (en) 1965-09-03 1965-09-03 Phthalic anhydride treatment in the presence of hbr in an aluminum vessel

Publications (1)

Publication Number Publication Date
NL6611780A true NL6611780A (zh) 1967-03-06

Family

ID=23926964

Family Applications (2)

Application Number Title Priority Date Filing Date
NL129493D NL129493C (zh) 1965-09-03
NL6611780A NL6611780A (zh) 1965-09-03 1966-08-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL129493D NL129493C (zh) 1965-09-03

Country Status (5)

Country Link
US (1) US3361650A (zh)
BE (1) BE686254A (zh)
ES (1) ES330043A1 (zh)
GB (1) GB1081839A (zh)
NL (2) NL6611780A (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4213831A (en) * 1972-10-30 1980-07-22 The Dow Chemical Company Aluminum container for processing vinylbenzyl chlorides

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2072053A (en) * 1937-02-23 Purification of naphthenic acids
US2105992A (en) * 1933-12-29 1938-01-18 Charles P Tolman Liquid fuel conditioning apparatus
US2091289A (en) * 1934-12-31 1937-08-31 Solvay Process Co Purification of phthalic anhydride
US2283209A (en) * 1939-05-18 1942-05-19 Eastman Kodak Co Apparatus for the manufacture of organic acid anhydrides
US2543971A (en) * 1947-04-24 1951-03-06 American Cyanamid Co Apparatus and process for distillation of hcn
GB795999A (en) * 1955-07-07 1958-06-04 Dow Chemical Co Removal of volatile ingredients from thermoplastic polymers
US2850440A (en) * 1955-09-07 1958-09-02 Pittsburgh Coke & Chemical Co Purification of phthalic anhydride by distillation
US2954385A (en) * 1957-10-02 1960-09-27 Standard Oil Co Production of maleic and phthalic anhydrides

Also Published As

Publication number Publication date
ES330043A1 (es) 1967-09-16
BE686254A (zh) 1967-02-28
NL129493C (zh)
US3361650A (en) 1968-01-02
GB1081839A (en) 1967-09-06

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