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:
Jul. 09, 1985
Filed:
Nov. 28, 1983
Applicant:
Inventors:
Duane S Treybig, Lake Jackson, TX (US);
James L Potter, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560026 ; 560 16 ; 560158 ; 521159 ; 524751 ;
Abstract
The reaction between a hydroxyl-containing material and an isocyanate-containing material is catalyzed by a pyrazino pyrazine compound such as 1,4,5,8-tetramethyldecahydropyrazino(2,3-b)pyrazine.