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:
Jul. 03, 2007
Filed:
Dec. 15, 2003
Richard R. Roesler, Wexford, PA (US);
Lyubov K. Gindin, Pittsburgh, PA (US);
Richard R. Roesler, Wexford, PA (US);
Lyubov K. Gindin, Pittsburgh, PA (US);
Bayer MaterialScience LLC, Pittsburgh, PA (US);
Abstract
Polyurethane/ureas including hydrophilic moieties and alkoxysilane groups of formula (I)—X—CO—NR—Y—Si—(Z)  (I)where X is O or NR; Ris H, C-Calkyl, substituted C-Calkyl, cycloalkyl, aryl or benzyl; Y is C-Clinear and branched alkylene; and Z is an organic group inert to isocyanate groups below 100° C. At least one Z group is an alkoxy group of 1 to 4 carbon atoms. The polyurethane/urea can be in an aqueous dispersion, which can be used to prepare coatings. The dispersion is prepared by