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:
Jun. 07, 1977
Filed:
Mar. 21, 1974
Applicant:
Inventors:
Harold Carl Lange, Grand Island, NY (US);
Ronald Edward MacLeay, Williamsville, NY (US);
Assignee:
Pennwalt Corporation, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C08J / ;
U.S. Cl.
CPC ...
260174 ; 260 / ; 260175 ; 260192 ; 260870 ; 260925 ; 526218 ; 526219 ; 526344 ;
Abstract
Azoalkanes of the formula ##STR1## WHERE Z is isocyanate or isothiocyanate or derivatives thereof, such as 1-t-butylazo-1-isothiocyanatocyclohexane, which are useful as foaming agents for polyester resins and as free radical initiators for vinyl monomers.