FR1261584A - Purification process of a sublimable compound melting above 20 deg.c - Google Patents

Purification process of a sublimable compound melting above 20 deg.c

Info

Publication number
FR1261584A
FR1261584A FR831547A FR831547A FR1261584A FR 1261584 A FR1261584 A FR 1261584A FR 831547 A FR831547 A FR 831547A FR 831547 A FR831547 A FR 831547A FR 1261584 A FR1261584 A FR 1261584A
Authority
FR
France
Prior art keywords
purification process
compound melting
melting above
sublimable compound
sublimable
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
FR831547A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Priority to FR831547A priority Critical patent/FR1261584A/en
Application granted granted Critical
Publication of FR1261584A publication Critical patent/FR1261584A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
FR831547A 1960-06-29 1960-06-29 Purification process of a sublimable compound melting above 20 deg.c Expired FR1261584A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR831547A FR1261584A (en) 1960-06-29 1960-06-29 Purification process of a sublimable compound melting above 20 deg.c

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR831547A FR1261584A (en) 1960-06-29 1960-06-29 Purification process of a sublimable compound melting above 20 deg.c

Publications (1)

Publication Number Publication Date
FR1261584A true FR1261584A (en) 1961-05-19

Family

ID=8734510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR831547A Expired FR1261584A (en) 1960-06-29 1960-06-29 Purification process of a sublimable compound melting above 20 deg.c

Country Status (1)

Country Link
FR (1) FR1261584A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1329449A1 (en) * 2002-01-22 2003-07-23 Lurgi AG Column for the concentration of phtalic anhydride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1329449A1 (en) * 2002-01-22 2003-07-23 Lurgi AG Column for the concentration of phtalic anhydride

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