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:
Oct. 20, 1992
Filed:
Jun. 27, 1991
Applicant:
Inventor:
Johannes Smid, Lafayette, NY (US);
Assignee:
The Research Foundation of State University of New York, Albany, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 15 ; 528 28 ; 528 31 ; 556114 ;
Abstract
Disclosed herein are novel polyorganosiloxanes, both linear and cyclic, havingpendant thereon isocyanate groups derived from specific .alpha.,.alpha.-dimethyl isopropenyl benzyl isocyanates. Also disclosed is a method for production of said polyorganosiloxanes. The disclosed polyorganosiloxanes are useful as crosslinking agents and as intermediates in the production of star polymers, starburst dendrimers, urethanes and ureas.