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. 22, 2022
Filed:
Mar. 11, 2019
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Timothy M. Gillard, St. Paul, MN (US);
Carl A. Laskowski, Minneapolis, MN (US);
Michael A. Yandrasits, Hastings, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 297/02 (2006.01); C08F 8/32 (2006.01);
U.S. Cl.
CPC ...
C08F 297/02 (2013.01); C08F 8/32 (2013.01); C08F 2800/10 (2013.01); C08F 2800/20 (2013.01);
Abstract
Described herein are nitrogen-containing multi-block copolymers, as well as methods for making such multi-block copolymers, and articles comprising such multi-block copolymers. The nitrogen-containing multi-block copolymers contains at least one A block comprising polyisoprene; and at least one B block comprising amino-functionalized polybutadiene, the amino-functionalized polybutadiene comprising nitrogen-containing pendant groups.