CA519376A - Distillation et purification d'anhydride phtalique - Google Patents

Distillation et purification d'anhydride phtalique

Info

Publication number: CA519376A
Authority: CA; Canada
Prior art keywords: distillation; purification; phthalic anhydride; phthalic; anhydride
Prior art date: 1955-12-13
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

CA519376A

Other languages

English (en)

Inventor

J. West Gerbert

Goodemoot Kenneth

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.)

Wyeth Holdings LLC

Original Assignee

American Cyanamid Co

Publication date

1955-12-13

1955-12-13 Application granted granted Critical

1955-12-13 Publication of CA519376A publication Critical patent/CA519376A/fr

Status Expired legal-status Critical Current

Links

LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 title 1
JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 title 1
238000004821 distillation Methods 0.000 title 1
238000000746 purification Methods 0.000 title 1

CA519376A Distillation et purification d'anhydride phtalique Expired CA519376A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA519376T

Publications (1)

Publication Number	Publication Date
CA519376A true CA519376A (fr)	1955-12-13

Family

ID=35672584

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA519376A Expired CA519376A (fr)			Distillation et purification d'anhydride phtalique

Country Status (1)

Country	Link
CA (1)	CA519376A (fr)

0
- CA CA519376A patent/CA519376A/fr not_active Expired

Similar Documents

Publication	Publication Date	Title
CA519376A (fr)	1955-12-13	Distillation et purification d'anhydride phtalique
CA495560A (fr)	1953-08-25	Epuration d'anhydride phtalique
CA563539A (fr)	1958-09-23	Preparation d'anhydride phtalique
CA491736A (fr)	1953-03-31	Epuration d'anhydride phtalique
CA549685A (fr)	1957-12-03	Preparation d'anhydride phtalique
CA545946A (fr)	1957-09-10	Production d'anhydride phtalique
CA518012A (fr)	1955-11-01	Recuperation d'anhydride phtalique fondu
CA534832A (fr)	1956-12-25	Epuration de paraxylene
CA549602A (fr)	1957-12-03	Recuperation d'anhydride phtalique de residus purifies
CA565801A (fr)	1958-11-11	Catalyseur pour anhydride phtalique et methode de production d'un catalyseur
AU231064B2 (en)	1958-12-11	Purification of maleic anhydride
CA524574A (fr)	1956-05-01	Fabrication d'anhydride maleique
CA547300A (fr)	1957-10-08	Preparation d'acides phtaliques de xylenes
CA513088A (fr)	1955-05-24	Recuperation et epuration de mycobacidine
AU216166B2 (en)	1957-10-17	Improvements inthe manufacture of chromic anhydride
CA543370A (fr)	1957-07-09	Procede et appareil pour l'epuration de dimethyleterephtalate
AU3853158A (en)	1958-12-11	Purification of maleic anhydride
CA511804A (fr)	1955-04-12	Preparation d'anhydride maleique
CA547301A (fr)	1957-10-08	Preparation d'acides phtaliques
CA511847A (fr)	1955-04-12	Epuration de perchloromethylemercaptan
CA512326A (fr)	1955-04-26	Epuration de beta-aletheine
CA531751A (fr)	1956-10-16	Epuration d'acides
CA515946A (fr)	1955-08-23	Separation et epuration de produits d'oxydation
CA516519A (fr)	1955-09-13	Epuration d'hydrocarbure halogene
CA550405A (fr)	1957-12-17	Isomerisation d'alkenylephenols