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. 24, 2001
Filed:
Sep. 03, 1999
Soonkun Kang, Lake Elmo, MN (US);
John L. Ethen, Oakdale, MN (US);
Gregory E. Gilligan, Hastings, MN (US);
Christopher J. Gustafson, Hudson, WI (US);
Sithya Seda Khieu, Eden Prairie, MN (US);
Kanta Kumar, Maplewood, MN (US);
Thomas W. Rambosek, Woodbury, MN (US);
Tzu Li Joseph Huang, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A retroreflective article comprising a substrate and a cured ceramer coating provided on at least a portion of a surface of the substrate. The coated portion of the surface is retroreflective and can be dew-resistant. The ceramer is derived from a free-radically-curable binder, colloidal inorganic oxide and fluoro/silane component comprising a hydrolyzable silane moiety and a fluorinated moiety.