FR1302453A - Phthalic anhydride purification process - Google Patents

Phthalic anhydride purification process

Info

Publication number
FR1302453A
FR1302453A FR863393A FR863393A FR1302453A FR 1302453 A FR1302453 A FR 1302453A FR 863393 A FR863393 A FR 863393A FR 863393 A FR863393 A FR 863393A FR 1302453 A FR1302453 A FR 1302453A
Authority
FR
France
Prior art keywords
purification process
phthalic anhydride
anhydride purification
phthalic
purification
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
FR863393A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to FR863393A priority Critical patent/FR1302453A/en
Application granted granted Critical
Publication of FR1302453A publication Critical patent/FR1302453A/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)
FR863393A 1961-05-30 1961-05-30 Phthalic anhydride purification process Expired FR1302453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR863393A FR1302453A (en) 1961-05-30 1961-05-30 Phthalic anhydride purification process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR863393A FR1302453A (en) 1961-05-30 1961-05-30 Phthalic anhydride purification process

Publications (1)

Publication Number Publication Date
FR1302453A true FR1302453A (en) 1962-08-31

Family

ID=8756216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863393A Expired FR1302453A (en) 1961-05-30 1961-05-30 Phthalic anhydride purification process

Country Status (1)

Country Link
FR (1) FR1302453A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508906A1 (en) * 1981-07-06 1983-01-07 Nippon Catalytic Chem Ind PROCESS FOR THE PREPARATION OF HIGH-PURITY PHTHALIC ANHYDRIDE FROM RAW PHTHALIC ANHYDRIDE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2508906A1 (en) * 1981-07-06 1983-01-07 Nippon Catalytic Chem Ind PROCESS FOR THE PREPARATION OF HIGH-PURITY PHTHALIC ANHYDRIDE FROM RAW PHTHALIC ANHYDRIDE
DE3225079A1 (en) * 1981-07-06 1983-01-20 Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka METHOD FOR THE PRODUCTION OF HIGH Purity Phtalic Acid Anhydride
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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