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.

Date of Patent:
Jun. 13, 2023

Filed:

Dec. 11, 2018
Applicant:

Innovative Surface Technologies, Inc., St. Paul, MN (US);

Inventors:

Kristin Taton, Little Canada, MN (US);

Patrick Guire, Hopkins, MN (US);

Charles Leir, Ironton, MN (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 31/10 (2006.01); A61L 27/34 (2006.01); C08G 18/61 (2006.01); C08G 18/64 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01); C08G 18/77 (2006.01); C09D 183/10 (2006.01);
U.S. Cl.
CPC ...
A61L 27/34 (2013.01); A61L 31/10 (2013.01); C08G 18/61 (2013.01); C08G 18/6423 (2013.01); C08G 18/73 (2013.01); C08G 18/757 (2013.01); C08G 18/778 (2013.01); C09D 183/10 (2013.01); C08G 2150/00 (2013.01);
Abstract

Silicone polyurea block copolymers are prepared by copolymerizing: (a) a diamine composition that includes a polyethylene glycol diamine, and optionally, a dipiperidyl alkane; (b) a monofunctional silicone isocyanate; and (c) a diisocyanate. Compositions useful as passivating coatings comprising the block copolymer are also provided, and substrates coated with the compositions. Methods of preparing and using the compositions are also described.


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