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. 22, 2020
Filed:
Nov. 17, 2017
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Carl A. Laskowski, Minneapolis, MN (US);
Timothy M. Gillard, St. Paul, MN (US);
Michelle M. Mok, St. Paul, MN (US);
Lucas D. McIntosh, Minneapolis, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 297/04 (2006.01); C08G 63/08 (2006.01); C08G 65/08 (2006.01); C08G 77/04 (2006.01); C08L 9/00 (2006.01); C08L 53/02 (2006.01); C08L 87/00 (2006.01);
U.S. Cl.
CPC ...
C08F 297/044 (2013.01); C08G 63/08 (2013.01); C08G 65/08 (2013.01); C08G 77/04 (2013.01); C08L 9/00 (2013.01); C08L 53/025 (2013.01); C08L 87/005 (2013.01); C08L 2203/12 (2013.01); C08L 2203/16 (2013.01); C08L 2205/02 (2013.01); C08L 2205/03 (2013.01); C08L 2205/05 (2013.01);
Abstract
Novel pentablock polymers of the formula ABCBA are provided wherein C is a glassy aromatic block having a Tg of >70° C.; B is a rubber block having a Tg<25° C.; and A is a block incompatible with the B and C blocks and derived from ring-opening polymerization of cyclic monomers.