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:
Mar. 15, 2022
Filed:
Mar. 14, 2018
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Koji Iwasaki, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 220/54 (2006.01); C08F 220/56 (2006.01); C08F 220/28 (2006.01); C08L 101/12 (2006.01); G02B 1/04 (2006.01); G02B 6/12 (2006.01); C08L 71/02 (2006.01); C08F 220/30 (2006.01);
U.S. Cl.
CPC ...
C08F 220/286 (2020.02); C08F 220/306 (2020.02); C08F 220/54 (2013.01); C08F 220/56 (2013.01); C08L 71/02 (2013.01); C08L 101/12 (2013.01); G02B 1/04 (2013.01); G02B 1/045 (2013.01); G02B 6/12 (2013.01); C08F 220/281 (2020.02); C08F 220/283 (2020.02); C08F 220/301 (2020.02);
Abstract
Provided is a polymer including a temperature-responsive unit in a molecule, wherein the polymer has a refractive index difference (B−A) of 0.01 or greater but 0.2 or less between a minimum refractive index A of the polymer in a temperature range of 5 degrees C. or higher but lower than 30 degrees C. and a maximum refractive index B of the polymer in a temperature range of 30 degrees C. or higher but lower than 50 degrees C.