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:
Sep. 19, 1978
Filed:
Mar. 22, 1976
Applicant:
Inventor:
Byron E Anshus, Orinda, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2524 / ;
Abstract
A catalyst solution for the anionic polymerization of 2-pyrrolidone is produced by contacting an alkali metal hydroxide and excess 2-pyrrolidone. The catalyst solution is dehydrated under stripping conditions.
Quick Actions:
Anshus, Byron. (1978). Preparation of catalyst for the polymerization of 2-pyrrolidone (U.S. Patent No. 4115399). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4115399
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile