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. 08, 1978
Filed:
Mar. 30, 1977
Applicant:
Inventors:
Byron A Hunter, Woodbridge, CT (US);
Franklin H Barrows, Beacon Falls, CT (US);
Assignee:
Uniroyal, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 95 ; 560137 ; 560158 ; 521180 ; 521182 ; 521189 ;
Abstract
Novel blowing agents are disclosed comprising 3,3'-carbonylbis(organo carbazates). The organo group may be alkyl, cycloalkyl, aryl or aralkyl moieties. In the preferred embodiment the organo group is an alkyl group selected from the group consisting of methyl, isopropyl, secondary butyl or tertiary butyl. The blowing agents find utility in the preparation of expanded organoplastic materials such as rubbers, thermosetting resins and thermoplastic resins.