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:
Mar. 30, 1976
Filed:
Feb. 27, 1975
Applicant:
Inventors:
Assignees:
Showa Denko Kabushiki Kaisha, Tokyo, JA;
Meisei Kagaku Kabushiki Kaisha, Kyoto, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
260 / ; 260 / ;
Abstract
A gas fading inhibitor for polyurethanes, such inhibitor having as its effective component a compound of the formula (I) ##SPC1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently selected from the group consisting of hydrogen, methyl and ethyl, and n and m are each an integer from 1 to 3.
Ito, Masatomo. (1976). Polyurethane product with gas fading inhibitor and method of inhibiting (U.S. Patent No. 3947389). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3947389
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile