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. 14, 2023
Filed:
Jan. 24, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/033 (2014.01); B41J 2/175 (2006.01); B41J 2/335 (2006.01); C08K 3/22 (2006.01); C08K 5/00 (2006.01); C08K 5/053 (2006.01); C08K 5/10 (2006.01); C08L 33/16 (2006.01); C08L 75/04 (2006.01); C08L 83/12 (2006.01); C09D 11/102 (2014.01);
U.S. Cl.
CPC ...
C09D 11/033 (2013.01); B41J 2/17503 (2013.01); B41J 2/3355 (2013.01); C08K 3/22 (2013.01); C08K 5/0041 (2013.01); C08K 5/053 (2013.01); C08K 5/10 (2013.01); C08L 33/16 (2013.01); C08L 75/04 (2013.01); C08L 83/12 (2013.01); C09D 11/102 (2013.01); C08K 2201/003 (2013.01);
Abstract
An ink contains water, an organic solvent, a polyurethane resin, and a cyclic ester including a structure represented by Chemical formula I, wherein the proportion of the cyclic ester having a crystal having a particle diameter of 1 μm or greater is less than 4 ppm of the total of the ink after the ink is allowed to stand at a temperature range of from 20 to 30 degrees C. for 30 days.