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:
Apr. 13, 1976
Filed:
Jan. 14, 1975
Applicant:
Inventors:
Theobald Haug, Frenkendorf, CH;
Andre Schmitter, F-Hegenheim, FR;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ; 260 76 ; 260 / ; 260 / ; 260 / ;
Abstract
A mixture which can be converted to a heat-resistant foamed plastic and which contains a polyimide of an unsaturated dicarboxylic acid, an azomethine, a solid blowing agent, and optionally a polyamine. On warming, the mixture gives a foamed plastic of high heat resistance and good resistance to chemicals.
Haug, Theobald. (1976). Mixtures, containing polyimides, which can be converted to (U.S. Patent No. 3950279). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3950279
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile