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:
Apr. 21, 2020
Filed:
Mar. 14, 2016
Applicant:
Nitta Haas Incorporated, Osaka, JP;
Inventors:
Assignee:
NITTA HAAS INCORPORATED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 37/24 (2012.01); C08G 18/79 (2006.01); C08G 18/76 (2006.01); C08G 18/32 (2006.01); C08G 18/38 (2006.01); C08G 18/48 (2006.01); C08G 18/78 (2006.01); C08G 18/73 (2006.01); C08G 18/75 (2006.01); C08G 18/42 (2006.01); C08G 18/44 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
B24B 37/24 (2013.01); C08G 18/3206 (2013.01); C08G 18/3212 (2013.01); C08G 18/3215 (2013.01); C08G 18/3237 (2013.01); C08G 18/3259 (2013.01); C08G 18/3814 (2013.01); C08G 18/3868 (2013.01); C08G 18/4238 (2013.01); C08G 18/4277 (2013.01); C08G 18/44 (2013.01); C08G 18/4825 (2013.01); C08G 18/4833 (2013.01); C08G 18/4837 (2013.01); C08G 18/4854 (2013.01); C08G 18/73 (2013.01); C08G 18/751 (2013.01); C08G 18/755 (2013.01); C08G 18/758 (2013.01); C08G 18/7614 (2013.01); C08G 18/7621 (2013.01); C08G 18/7642 (2013.01); C08G 18/7664 (2013.01); C08G 18/7671 (2013.01); C08G 18/7678 (2013.01); C08G 18/78 (2013.01); C08G 18/7825 (2013.01); C08G 18/7831 (2013.01); C08G 18/7837 (2013.01); C08G 18/791 (2013.01); C08G 18/797 (2013.01); C08G 2101/00 (2013.01);
Abstract
The present invention is a polishing pad formed by foamed polyurethane, with a content of S phase in the foamed polyurethane, as determined by pulsed NMR measurement at 25° C., exceeding 70%.