FR508378A - Method and apparatus for the manufacture of phthalic anhydride - Google Patents

Method and apparatus for the manufacture of phthalic anhydride

Info

Publication number
FR508378A
FR508378A FR508378A FR508378DA FR508378A FR 508378 A FR508378 A FR 508378A FR 508378 A FR508378 A FR 508378A FR 508378D A FR508378D A FR 508378DA FR 508378 A FR508378 A FR 508378A
Authority
FR
France
Prior art keywords
manufacture
phthalic anhydride
phthalic
anhydride
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
FR508378A
Other languages
French (fr)
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.)
Selden Co
Original Assignee
Selden Co
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 Selden Co filed Critical Selden Co
Application granted granted Critical
Publication of FR508378A publication Critical patent/FR508378A/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
    • C07C51/54—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)
FR508378A 1920-01-13 1920-01-13 Method and apparatus for the manufacture of phthalic anhydride Expired FR508378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR508378T 1920-01-13

Publications (1)

Publication Number Publication Date
FR508378A true FR508378A (en) 1920-10-08

Family

ID=8910331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR508378A Expired FR508378A (en) 1920-01-13 1920-01-13 Method and apparatus for the manufacture of phthalic anhydride

Country Status (1)

Country Link
FR (1) FR508378A (en)

Similar Documents

Publication Publication Date Title
FR508378A (en) Method and apparatus for the manufacture of phthalic anhydride
FR749245A (en) Method and apparatus for the manufacture of ketene
FR576838A (en) Method and apparatus for the evaporation of concentrated solutions
FR516030A (en) Apparatus for the manufacture of sulfur trioxide by contact
FR533361A (en) Method and apparatus for making soaps
FR556892A (en) Method and apparatus for the continuous manufacture of acetone
FR602516A (en) Method and apparatus for the manufacture of sulfuric acid
FR538184A (en) Method and apparatus for the manufacture of solid or hollow agglomerates
FR538173A (en) Method and apparatus for the concentration of acetic acid
FR515972A (en) Method and apparatus for the continuous manufacture of sulfates
FR672767A (en) Method and apparatus for the manufacture of solid carbonic acid
FR497084A (en) Method and apparatus for the preparation and application of concrete
FR527733A (en) Process and apparatus for the manufacture of urea
FR550379A (en) Method and apparatus for the manufacture of formic acid
FR600280A (en) Process for the manufacture of acetic anhydride
FR564065A (en) Process and improved apparatus for the manufacture of zinc
FR528882A (en) Method and apparatus for the manufacture of agglomerates of all models
FR509925A (en) Method and apparatus for the execution of concrete constructions
FR508773A (en) Process for the preparation and manufacture of phthalic anhydride
FR527076A (en) Method and apparatus for the manufacture of carpets
FR553310A (en) Method and apparatus for evaporation of solutions
FR514037A (en) Apparatus for the production of carbon dioxide snow
FR568214A (en) Method and apparatus for carbonic acid amendment
FR498114A (en) Method and apparatus for the oxidation of phosphine
FR602336A (en) Method and apparatus for the manufacture of pectin