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. 09, 2019
Filed:
Dec. 28, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Ruby Chakraborty, Woodbury, MN (US);
Cheryl S. Elsbernd, Woodbury, MN (US);
Shri Niwas, Maple Grove, MN (US);
Bruce H. Edwards, White Bear Lake, MN (US);
Chih-Chung Hsu, Woodbury, MN (US);
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
Retroreflective article and precursor articles formed during the preparation of the retroreflective articles are provided. Also, methods of making both the precursor articles and the retroreflective articles are provided. The retroreflective articles and the precursor articles contain a reflective layer that includes both a reflective metal and a polymeric blend. The polymeric blend includes both a fluorinated polymer and a (meth)acrylate polymer. The retroreflective articles typically have anti-staining properties, anti-corrosion properties, or both.