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. 16, 2006
Filed:
Oct. 02, 2003
Applicants:
Eduard Mayer, Dormagen, DE;
Thomas Muenzmay, Dormagen, DE;
Yuliya Berezkin, Pittsburgh, PA (US);
Poli C. Yu, Wexford, PA (US);
Richard R. Roesler, Wexford, PA (US);
Mary A. Crisci, Aliquippa, PA (US);
Inventors:
Eduard Mayer, Dormagen, DE;
Thomas Muenzmay, Dormagen, DE;
Yuliya Berezkin, Pittsburgh, PA (US);
Poli C. Yu, Wexford, PA (US);
Richard R. Roesler, Wexford, PA (US);
Mary A. Crisci, Aliquippa, PA (US);
Assignees:
Bayer MaterialScience LLC, Pittsburgh, PA (US);
Bayer MaterialScience AG, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
Isocyanate-functional polyurethane prepolymers and aqueous dispersions therefrom which are useful for the production of flat materials having excellent resistance to alcoholic solvents are described. The prepolymers are prepared by reacting: