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:
May. 20, 1980
Filed:
Dec. 21, 1978
Applicant:
Inventors:
David E Kramm, Laurel, MD (US);
Arthur D Ketley, Columbia, MD (US);
Assignee:
W. R. Grace & Co., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 44 ; 20415922 ; 2604045 ; 260 / ; 560 26 ; 560158 ; 427 541 ;
Abstract
This invention relates to an ethylenically unsaturated reactive thixotropic agent for use in radiation curable compositions, e.g., overprint varnishes, formed by reacting a hydroxyl-containing fatty acid ester with an ethylenically unsaturated isocyanate. The agent not only performs its thixotropic function in the uncured state but also forms part of the cured product on exposure to radiation, e.g., UV radiation due to its substantially similar reactivity.