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. 24, 1995
Filed:
Sep. 23, 1994
Adam G Malofsky, Huntington, CT (US);
Stephen L Goldstein, Cheshire, CT (US);
Olin Corporation, Cheshire, CT (US);
Abstract
Disclosed herein is a liquid, monoallophanate-containing, monouretidione-containing polyisocyanate composition characterized by having (i) an isocyanate functionality of between 2.8 and 6.5, (ii) a free NCO content of 10% to 47% by weight, (iii) a viscosity of less than 1000 cp (25.degree. C.), and (iv) the presence of monouretidione and monoallophanate groups in a molar ratio of said monouretidione groups to said monoallophanate groups of between about 20:1 and about 1:5. Also disclosed is a process for producing the above compositions, as well as their use, optionally in blocked form in one or two component coating compositions.