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. 25, 1991
Filed:
Mar. 15, 1990
Applicant:
Inventors:
Assignee:
Lonza Ltd., Gampel/Valais, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 64 ; 564331 ; 564335 ; 2643281 ; 528 62 ; 528 60 ; 521159 ;
Abstract
Chain-lengthening agents based on chlorinated 4,4'-methylenebisanilines for p-phenylene-methylenediisocyanate prepolymer are used for the preparation of cast polyurethane elastomers.
Quick Actions:
Volker, Theodor. (1991). Chain-lengthening agents for (U.S. Patent No. 5026815). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5026815
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile