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:
Jan. 13, 1976
Filed:
Nov. 21, 1974
Applicant:
Inventors:
Donald H Russell, Cherry Hill, NJ (US);
R Warren Lenton, Glenolden, PA (US);
Assignee:
Atlantic Richfield Company, Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
260 / ; 260 / ; 260 / ; 260 / ;
Abstract
Storage stable urethane-type polymer producing compositions in dry powdered form are presented comprised of a cyclic nitrile compound of the formula ##EQU1## WHEREIN X is carbonyl, thionyl or oxalyl, R is an organic radical which is free of reactive hydrogen atoms, and n is 2 or more, such as adipodi(nitrile carbonate), a nucleophilic compound containing a reactive hydrogen atom, such as a polyester or polyether polyol and a catalyst comprised of a halide of a metal of Group IIb of the Periodic Table of Elements. The preferred catalysts are zinc chloride and zinc bromide.