The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 1977
Filed:
Dec. 13, 1974
Applicant:
Inventors:
Seizi Kurozumi, Hino, JA;
Takeshi Toru, Hino, JA;
Toshio Tanaka, Hino, JA;
Shuzi Miura, Hino, JA;
Makiko Kobayashi, Hino, JA;
Sachio Ishimoto, Tokyo, JA;
Assignee:
Teijin Limited, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260491 ;
Abstract
A process for the preparation of 1,4-diacetoxycyclopent-2-ene, which comprises contacting a solution of 1,4-dibromocyclopent-2-ene in an inert organic solvent which is slightly soluble or insoluble in water, with an aqueous solution or suspension of at least one metal salt of acetic acid which is at least partially water-soluble, in the presence of a cationic surface-active compound.