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:
Oct. 09, 2018
Filed:
Aug. 13, 2014
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Reema Chatterjee, Woodbury, MN (US);
Jeffrey A. Peterson, North Saint Paul, MN (US);
Christopher P. Gerlach, Woodbury, MN (US);
David W. Meitz, Saint Paul, MN (US);
Assignee:
3M INNOVATIVE PROPERTIES COMPANY, Saint Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/124 (2006.01); B29C 35/00 (2006.01); G02B 1/04 (2006.01); B29K 27/06 (2006.01); B29K 33/00 (2006.01); B29K 69/00 (2006.01); B29K 75/00 (2006.01); B29L 11/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/124 (2013.01); B29C 35/00 (2013.01); G02B 1/04 (2013.01); B29K 2027/06 (2013.01); B29K 2033/08 (2013.01); B29K 2069/00 (2013.01); B29K 2075/00 (2013.01); B29L 2011/0083 (2013.01);
Abstract
The present application generally relates to retroreflective articles and methods of making retroreflective articles. Some embodiments include a body layer having an elastic modulus of equal to or greater than 1750 MPa, a plurality of truncated cube corner elements, and a polymeric layer between the body layer and the cube corner elements, the polymeric layer having an elastic modulus of less than 1750 MPa.