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. 28, 1986
Filed:
Mar. 21, 1985
Applicant:
Inventors:
Zenichi Yoshida, Fushimi-ku, Kyoto-shi, Kyoto-fu, JP;
Susumu Kato, Osaka, JP;
Yasuhiro Amemiya, Osaka, JP;
Keisuke Yanai, Nara, JP;
Assignees:
Asahi Chemical Co., Ltd., both of, JP;
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585375 ; 585376 ; 502340 ; 502341 ; 502344 ;
Abstract
An alkylation method of a cyclopentadiene derivative comprising the vapor-phase reaction of a cyclopentadiene derivative and an aliphatic lower alcohol in the presence of a specific heterogeneous basic catalyst.
Yoshida, Zenichi. (1986). Process for preparing alkylcyclopentadiene derivatives (U.S. Patent No. 4567308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4567308
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile