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:
Jun. 28, 1983
Filed:
Jan. 25, 1982
Applicant:
Inventors:
Werner Rasshofer, Cologne, DE;
Geza Avar, Leverkusen, DE;
Hans-Albrecht Freitag, Bergisch Gladbach, DE;
Gerhard Grogler, Leverkusen, DE;
Richard Kopp, Cologne, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
521 51 ; 2604297 ; 521 51 ; 521126 ; 528 58 ;
Abstract
This invention relates to a process for the production of polyurethanes, particularly polyurethane foam moldings having a compact skin and a cellular core, using special tin activators.
Rasshofer, Werner. (1983). Process for the production of optionally-foamed polyurethanes (U.S. Patent No. 4390640). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4390640
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile