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:
Feb. 09, 1982
Filed:
Apr. 01, 1981
Applicant:
Inventors:
Heinz Schulze, Austin, TX (US);
Robert L Zimmerman, Austin, TX (US);
Harold G Waddill, Austin, TX (US);
Assignee:
Texaco Development Corporation, White Plains, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521115 ; 26032625 ; 2602 / ; 521125 ; 521128 ; 521129 ; 521902 ;
Abstract
Compounds typified by N,N'-polyoxyalkylene bis(pyrrolidinone-3-carboxylic acid) are useful as epoxy curing accelerators. Salts thereof, including alkali metal salts, are curing agents for isocyanurate foams.