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. 31, 1978
Filed:
Mar. 21, 1977
Applicant:
Inventors:
Richard D Cowell, Jersey City, NJ (US);
Peter Loewrigkeit, Wyckoff, NJ (US);
William Rosenblatt, Pearl River, NY (US);
Claire Bluestein, Secaucus, NJ (US);
Assignee:
Witco Chemical Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 65 ; 528 66 ; 528 75 ;
Abstract
Novel stable substantially linear unsaturated polyurethane resins which lend themselves to polymerization, in air, by actinic light using low levels of photo-initiator and with no amine activator, said resins having a tertiary amine group and a terminal vinylidene group, i.e. H.sub.2 C .dbd. C< by the reaction of an isocyanate with a hydroxyalkyl acrylate or an allyl alcohol monomer. Both the resin and the cured products therefrom have little or no detectable amine odor.