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:
Mar. 11, 2008
Filed:
Mar. 02, 2004
Kevin M. Lewandowski, Inver Grove Heights, MN (US);
Duane D. Fansler, Dresser, WI (US);
Michael S. Wendland, North St. Paul, MN (US);
Steven M. Heilmann, Afton, MN (US);
Babu N. Gaddam, Woodbury, MN (US);
Kevin M. Lewandowski, Inver Grove Heights, MN (US);
Duane D. Fansler, Dresser, WI (US);
Michael S. Wendland, North St. Paul, MN (US);
Steven M. Heilmann, Afton, MN (US);
Babu N. Gaddam, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention provides cross linkable compositions useful in the preparation of hydrophilic gels, and are prepared from obligers having pendent hydrophilic ploy(alkenylene oxide) groups, and pendent pulverizable functional groups, and cross linked by polyfunctional ploy(alkenylene oxides).