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:
Nov. 02, 1982
Filed:
Mar. 16, 1981
Applicant:
Inventors:
Masayoshi Kubo, Ohimachi, JP;
Kimio Inoue, Ohimachi, JP;
Assignee:
Daicel Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528357 ;
Abstract
A process for producing resinous lactone high polymers by the catalytic polymerization of lactones having a water content of less than 0.1% in the presence of a catalyst selected from the group consisting of stannous chloride, stannous bromide, stannous iodide, titanium trichloride, titanium tetrachloride, ammonium molybdate, zirconium nitrate, zirconium oxychloride and zirconium carboxylates, as a catalyst.
Kubo, Masayoshi. (1982). Process for producing lactone high polymers (U.S. Patent No. 4357462). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4357462
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile