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:
Aug. 26, 1980
Filed:
May. 14, 1976
Applicant:
Inventors:
Ronald E MacLeay, Williamsville, NY (US);
Chester S Sheppard, Kenmore, NY (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C08F / ;
U.S. Cl.
CPC ...
260192 ; 260152 ; 260157 ; 260158 ; 526219 ;
Abstract
An unsymmetrical azo compound having the formula ##STR1## is provided wherein R' is an alkyl or aralkyl and R.sub.3 and R.sub.4 are hydrogen or aliphatic. The compound is useful as a vinyl polymerization initiator, a polyester resin curing agent and a blowing agent for foamed plastics.