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:
Sep. 20, 2022
Filed:
Oct. 14, 2020
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Toshiyuki Kobashi, Kanagawa, JP;
Satoyuki Sekiguchi, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/54 (2014.01); C09D 11/40 (2014.01); C09D 11/38 (2014.01); B41M 5/00 (2006.01); C09D 11/102 (2014.01); C09D 11/107 (2014.01); B41M 7/00 (2006.01); C09D 11/322 (2014.01); B41J 2/21 (2006.01);
U.S. Cl.
CPC ...
C09D 11/54 (2013.01); B41J 2/2114 (2013.01); B41M 5/0023 (2013.01); B41M 7/0018 (2013.01); C09D 11/102 (2013.01); C09D 11/107 (2013.01); C09D 11/322 (2013.01); C09D 11/38 (2013.01); C09D 11/40 (2013.01);
Abstract
An ink set contains a pre-processing fluid containing a multivalent metal ion, a first ink and a second ink, wherein the first ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms, wherein the second ink has a surface tension of 35 mN/m or greater at 25 degrees C. and a life time of 150 ms and the second ink is a white ink.