FR1600064A - - Google Patents

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Publication number
FR1600064A
FR1600064A FR1600064DA FR1600064A FR 1600064 A FR1600064 A FR 1600064A FR 1600064D A FR1600064D A FR 1600064DA FR 1600064 A FR1600064 A FR 1600064A
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FR
France
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
Other languages
French (fr)
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
Application granted granted Critical
Publication of FR1600064A publication Critical patent/FR1600064A/fr
Expired legal-status Critical Current

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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)
FR1600064D 1968-12-30 1968-12-30 Expired FR1600064A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR181938 1968-12-30

Publications (1)

Publication Number Publication Date
FR1600064A true FR1600064A (enrdf_load_stackoverflow) 1970-07-20

Family

ID=8659420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1600064D Expired FR1600064A (enrdf_load_stackoverflow) 1968-12-30 1968-12-30

Country Status (1)

Country Link
FR (1) FR1600064A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496101A1 (fr) * 1980-12-17 1982-06-18 Davy Mckee Ag Procede pour separer en continu des constituants peu volatils d'un anhydride phtalique brut fabrique par oxydation de naphtalene
FR2508906A1 (fr) * 1981-07-06 1983-01-07 Nippon Catalytic Chem Ind Procede de preparation d'un anhydride phtalique de haute purete a partir de l'anhydride phtalique brut

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496101A1 (fr) * 1980-12-17 1982-06-18 Davy Mckee Ag Procede pour separer en continu des constituants peu volatils d'un anhydride phtalique brut fabrique par oxydation de naphtalene
FR2508906A1 (fr) * 1981-07-06 1983-01-07 Nippon Catalytic Chem Ind Procede de preparation d'un anhydride phtalique de haute purete a partir de l'anhydride phtalique brut
DE3225079A1 (de) * 1981-07-06 1983-01-20 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka Verfahren zur herstellung von phthalsaeure-anhydrid von hohem reinheitsgrad
US4436922A (en) 1981-07-06 1984-03-13 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for manufacture of high-purity phthalic anhydride

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