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:
Dec. 15, 1998
Filed:
Oct. 13, 1997
Yi Wei, White Bear Lake, MN (US);
Wayne P Miller, Mounds View, MN (US);
Catherine A Wenz, Minneapolis, MN (US);
H. B. Fuller Licensing & Financing, Inc., St. Paul, MN (US);
Abstract
A latex comprising a free radically polymerized product, said product comprising at least two ethylenically unsaturated monomers, at least one of said monomers having an isocyanate group which is sterically hindered or blocked and at least one other of said ethylenically unsaturated monomers being free of isocyanate functional groups, in an aqueous emulsion in the presence of a free-radical polymerization catalyst, in a manner such that the sterically hindered or blocked isocyanate groups distribute in the outer layer of the latex particle and the method of making such.