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:
Sep. 13, 2016
Filed:
Nov. 19, 2013
3m Innovative Properties Company, St. Paul, MN (US);
Yu Yang, Eden Prairie, MN (US);
Shilpi K. Sanghi, St. Paul, MN (US);
Suresh Iyer, Woodbury, MN (US);
Yongshang Lu, Woodbury, MN (US);
Other;
Abstract
Presently described are block copolymers suitable for use as a low adhesion backsize ('LAB') coating. The block copolymers comprise at least one polyorganosiloxane block and at least one polyolefin block. The polyolefin block is semi-crystalline having a melt point of at least 110° C. The block copolymer typically has the structure: A[-L-B]wherein A is a polyorganosiloxane block and B is a polyolefin block. L is a covalent bond or a divalent linking group. In some embodiments, L is the reaction product of an amine or hydroxyl and an anhydride.