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. 13, 1982
Filed:
Jun. 23, 1980
Applicant:
Inventors:
Yong S Rim, Woodbridge, CT (US);
Walter Nudenberg, Newton, CT (US);
Arnold N Johnson, Southbury all of, CT (US);
Assignee:
Uniroyal, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
525127 ; 525341 ;
Abstract
Improvements in scorch time of natural and synthetic rubber compositions in urethane crosslinking systems employing alkyl derivatives of dithiophosphoric acid as the scorch delay cure catalyst having the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkyl having at least 12 carbon atoms, or connected together and forman alkylene group having at least 2 carbon atoms, and R.sub.3 is hydrogen or phenethyl.