FR1125014A - Process for the separation and purification of anhydrides from organic diacids - Google Patents

Process for the separation and purification of anhydrides from organic diacids

Info

Publication number
FR1125014A
FR1125014A FR1125014DA FR1125014A FR 1125014 A FR1125014 A FR 1125014A FR 1125014D A FR1125014D A FR 1125014DA FR 1125014 A FR1125014 A FR 1125014A
Authority
FR
France
Prior art keywords
anhydrides
purification
separation
organic diacids
diacids
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
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
Manufactures des Glaces et Produits Chimiques de Saint Gobain SA
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 Compagnie de Saint Gobain SA, Manufactures des Glaces et Produits Chimiques de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Application granted granted Critical
Publication of FR1125014A publication Critical patent/FR1125014A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
FR1125014D 1955-04-20 1955-04-20 Process for the separation and purification of anhydrides from organic diacids Expired FR1125014A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1056128X 1955-04-20

Publications (1)

Publication Number Publication Date
FR1125014A true FR1125014A (en) 1956-10-23

Family

ID=9597307

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1125014D Expired FR1125014A (en) 1955-04-20 1955-04-20 Process for the separation and purification of anhydrides from organic diacids

Country Status (5)

Country Link
BE (1) BE547079A (en)
DE (1) DE1056128B (en)
FR (1) FR1125014A (en)
GB (1) GB833230A (en)
NL (1) NL98195C (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072717A (en) * 1957-11-29 1963-01-08 Celanese Corp Recovery of isophthalic and terephthalic acids
FR2444675A1 (en) * 1978-12-22 1980-07-18 Davy International Ag PROCESS FOR THE CONTINUOUS SEPARATION OF THE PHTHALIC ANHYDRIDE CONTAINED IN THE REACTION GASES OF CATALYTIC OXIDATION OF OXYLENE OR NAPHTALENE
FR2444676A1 (en) * 1978-12-22 1980-07-18 Davy International Ag PROCESS FOR THE CONTINUOUS SEPARATION OF PHTHALIC ANHYDRIDE CONTAINED IN THE REACTION GASES OF CATALYTIC OXIDATION OF O-XYLENE OR NAPHTALENE
US6077964A (en) * 1996-05-15 2000-06-20 Basf Aktiengesellschaft Process for preparing gamma-butyrolactone, butane-1, 4-diol and tetrahydrofuran
US6100410A (en) * 1996-05-14 2000-08-08 Basf Aktiengesellschaft Process for the production of 1,4-butanediol, γ-butyrolactone and tetrahydrofuran
US6204395B1 (en) 1997-11-14 2001-03-20 Basf Aktiengesellschaft Process for the preparation of butane-1,4-diol, γ-butyrolactone and tetrahydrofuran
US6239292B1 (en) 1997-11-13 2001-05-29 Basf Aktiengesellschaft Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
US6274743B1 (en) 1998-03-23 2001-08-14 Basf Aktiengesellschaft Process for the preparation of butanediol, butyrolactone and tetrahydrofuran

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL275610A (en) * 1961-03-06
BE792879A (en) * 1971-12-17 1973-03-30 Chevron Res MALEIC ANHYDRIDE ISOLATION PROCESS
DE3207208A1 (en) * 1982-02-27 1983-09-08 Basf Ag, 6700 Ludwigshafen METHOD FOR THE CONTINUOUS PRODUCTION OF PHTHALIC ACID ANHYDRIDE AND MALEIC ACID ANHYDRIDE FROM REACTION GASES
US5718808A (en) * 1996-11-29 1998-02-17 Exxon Chemical Patents Inc. Solvent assisted process for recovery of phthalic anhydride in the liquid phase by distillation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072717A (en) * 1957-11-29 1963-01-08 Celanese Corp Recovery of isophthalic and terephthalic acids
FR2444675A1 (en) * 1978-12-22 1980-07-18 Davy International Ag PROCESS FOR THE CONTINUOUS SEPARATION OF THE PHTHALIC ANHYDRIDE CONTAINED IN THE REACTION GASES OF CATALYTIC OXIDATION OF OXYLENE OR NAPHTALENE
FR2444676A1 (en) * 1978-12-22 1980-07-18 Davy International Ag PROCESS FOR THE CONTINUOUS SEPARATION OF PHTHALIC ANHYDRIDE CONTAINED IN THE REACTION GASES OF CATALYTIC OXIDATION OF O-XYLENE OR NAPHTALENE
US6100410A (en) * 1996-05-14 2000-08-08 Basf Aktiengesellschaft Process for the production of 1,4-butanediol, γ-butyrolactone and tetrahydrofuran
US6077964A (en) * 1996-05-15 2000-06-20 Basf Aktiengesellschaft Process for preparing gamma-butyrolactone, butane-1, 4-diol and tetrahydrofuran
US6239292B1 (en) 1997-11-13 2001-05-29 Basf Aktiengesellschaft Process for preparing gamma-butyrolactone, butane-1,4-diol and tetrahydrofuran
US6204395B1 (en) 1997-11-14 2001-03-20 Basf Aktiengesellschaft Process for the preparation of butane-1,4-diol, γ-butyrolactone and tetrahydrofuran
US6274743B1 (en) 1998-03-23 2001-08-14 Basf Aktiengesellschaft Process for the preparation of butanediol, butyrolactone and tetrahydrofuran

Also Published As

Publication number Publication date
DE1056128B (en) 1959-04-30
BE547079A (en)
NL98195C (en)
GB833230A (en) 1960-04-21

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