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:
Apr. 06, 1993
Filed:
Apr. 01, 1992
Applicant:
Inventor:
Wu-Shyong Li, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B32B / ;
U.S. Cl.
CPC ...
428266 ; 428283 ; 428284 ; 428290 ; 428323 ; 428325 ; 428328 ; 428343 ; 428447 ; 428913 ; 359536 ;
Abstract
Retroreflective appliques comprising a monolayer of retroreflective elements partially embedded in and protruding from the front surface of a binder layer and an optional layer of adhesive on the rear surface of the binder layer, wherein the binder layer comprises one or more flexible polymeric binder materials having active hydrogen functionalities and one or more isocyanate-functional silane coupling agents thereon.