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. 18, 2000
Filed:
Jun. 11, 1997
Applicant:
Inventors:
Ibrahim Bechara, Naperville, IL (US);
Thomas R Baranowski, Chicago, IL (US);
James Stogis, Joliet, IL (US);
Thomas H Morong, Justice, IL (US);
Assignee:
CK Witco Corporation, , US;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
521137 ; 521 50 ; 528 48 ; 528 52 ; 528 59 ; 528287 ; 528288 ; 528369 ;
Abstract
Polyester polyols which contain at least one dihydrazide linkage --C(.dbd.O)--NHNH--C(.dbd.O)-- reduce the incidence of scorching when used as a reactant in the manufacture of polyurethane foam. Also disclosed are compounds of structures (2) and (3):
Bechara, Ibrahim. (2000). Scorch resistant additives for polyurethane foams (U.S. Patent No. 6051620). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6051620
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile