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:
Oct. 08, 2024
Filed:
Apr. 26, 2019
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventors:
Azusa Oshita, Kurashiki, JP;
Mitsuru Kato, Kurashiki, JP;
Minori Takegoshi, Kurashiki, JP;
Chihiro Okamoto, Kurashiki, JP;
Shinya Kato, Chiyoda-ku, JP;
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); B24B 37/24 (2012.01); C08G 18/69 (2006.01); C08G 18/83 (2006.01); H01L 21/306 (2006.01);
U.S. Cl.
CPC ...
B24B 37/24 (2013.01); C08G 18/692 (2013.01); C08G 18/83 (2013.01); H01L 21/30625 (2013.01);
Abstract
A modification method of a polyurethane, including the steps of: preparing a polyurethane having an ethylenically unsaturated bond; and treating the polyurethane with a liquid containing a compound having a conjugated double bond, or a modification method of a polyurethane, including the steps of: preparing a polyurethane having a conjugated double bond; and treating the polyurethane with a liquid containing a compound having an ethylenically unsaturated bond is used.