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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.:

US 10800921 B1

PDFFull Text
Date of Patent:
Oct. 13, 2020

Filed:

Jun. 26, 2018

Isocyanate-functional silicone-polyether copolymer, silicone-polyether-urethane copolymer formed therewith, sealants comprising same, and related methods

Applicants:

Dow Silicones Corporation, Midland, MI (US);

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Martin Grasmann, Midland, MI (US);

David Hagan, Midland, MI (US);

Brian Harkness, Midland, MI (US);

William H. Heath, Lake Jackson, TX (US);

Stephen Michael Hlinka, II, Midland, MI (US);

Eric Joffre, Midland, MI (US);

William Johnson, Midland, MI (US);

Bindu Krishnan, Lake Jackson, TX (US);

Qiuyun Xu, Lake Jackson, TX (US);

Bizhong Zhu, Midland, MI (US);

Assignees:

DOW SILICONES CORPORATION, Midland, MI (US);

DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);

Attorney:

Warner Norcross + Judd LLP

Primary Examiner:

Patrick D Niland

Int. Cl.
CPC ...
C08L 83/12 (2006.01); C08G 18/10 (2006.01); C08G 18/50 (2006.01); C08G 18/76 (2006.01); C08G 18/48 (2006.01); C08G 18/61 (2006.01); C08G 18/75 (2006.01); C08G 77/46 (2006.01); C09K 3/10 (2006.01); B01J 31/12 (2006.01); C08G 65/336 (2006.01); C08G 65/34 (2006.01); C08G 77/12 (2006.01); C08G 77/18 (2006.01); C08G 77/20 (2006.01); C08K 5/00 (2006.01); C08K 5/12 (2006.01); C08K 5/5415 (2006.01); C08L 71/02 (2006.01); C09D 171/02 (2006.01); C09D 183/12 (2006.01); C08G 18/24 (2006.01); C08G 18/28 (2006.01);
U.S. Cl.
CPC ...
C08L 83/12 (2013.01); B01J 31/124 (2013.01); C08G 18/10 (2013.01); C08G 18/242 (2013.01); C08G 18/244 (2013.01); C08G 18/289 (2013.01); C08G 18/4829 (2013.01); C08G 18/5096 (2013.01); C08G 18/61 (2013.01); C08G 18/755 (2013.01); C08G 18/7671 (2013.01); C08G 65/336 (2013.01); C08G 65/34 (2013.01); C08G 77/12 (2013.01); C08G 77/18 (2013.01); C08G 77/20 (2013.01); C08G 77/46 (2013.01); C08K 5/0016 (2013.01); C08K 5/0025 (2013.01); C08K 5/12 (2013.01); C08K 5/5415 (2013.01); C08L 71/02 (2013.01); C09D 171/02 (2013.01); C09D 183/12 (2013.01); C09K 3/1021 (2013.01); B01J 2531/828 (2013.01); C08G 2190/00 (2013.01); C09K 2200/0685 (2013.01);
Abstract

An isocyanate-functional silicone-polyether copolymer having a particular structure is disclosed. A method of preparing the isocyanate-functional silicone-polyether copolymer is also disclosed, the method comprising reacting a polyether compound and an organosilicon compound to give the isocyanate-functional silicone-polyether copolymer. A silicone-polyether-urethane copolymer formed therewith, as well as a method of preparing the silicone-polyether-urethane copolymer, are also disclosed. Sealants comprising the isocyanate-functional silicone-polyether copolymer and/or the silicone-polyether-urethane copolymer are further disclosed.

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