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:
Feb. 11, 1997
Filed:
Mar. 15, 1995
Nippon Carbide Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Retroreflective sheeting having excellent weatherability under prolonged outdoor use, which comprises a support sheet in one side of which retroreflective glass beads are embedded as substantially a monolayer in such a manner that at least their non-reflective portions are exposed on said sheet; and a light-transmittable protective film provided on the glass beads on said support sheet, said protective film being partially fixed onto the support sheet; in which at least the surface layer of the support sheet in which the glass beads are embedded is formed of a resin composition comprising (a) thermofusible resin(s) having a glass transition temperature not higher than 50.degree. C. and (a) cellulose derivative(s) having a glass transition temperature not lower than 90.degree. C.