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:
May. 16, 1995
Filed:
Jul. 26, 1993
Takashi Wakasugi, Fukushima, JP;
Tadashi Miyakawa, Fukushima, JP;
Naka Tonouchi, Fukushima, JP;
Fukuichi Suzuki, Fukushima, JP;
Takashi Yamauchi, Fukushima, JP;
Kureha Chemical Industry Co., Ltd., Tokyo, JP;
Abstract
A process for manufacturing a trimer of a low aliphatic aldehyde having 2-5 carbon atoms and the chlorinated 2-position is disclosed. The process comprises cyclically trimerizing said aliphatic aldehyde with chlorinated 2-position in the presence of a catalyst selected from the group consisting of metallic tin, metallic zinc, zeolite, and Lewis acids. It ensures easy separation of the catalyst from the target trimer and a high yield of the trimer. In addition, the unreacted raw material can be easily recovered.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile