公开(公告)号：US11499062B2

公开(公告)日：2022-11-15

申请号：US16611141

申请日：2018-06-27

申请人： RICOH COMPANY, LTD.

发明人： Hiroshi Gotou ,  Yoshiaki Masuda ,  Masahiko Ishikawa ,  Masaki Kudo ,  Kazuhiko Umemura ,  Keita Katoh ,  Akihiko Matsuyama ,  Masayasu Nonogaki ,  Takeshi Shibuya

IPC分类号： C09D11/102 ,  C09D11/107 ,  C09D11/36 ,  C09D11/38 ,  C09D11/40 ,  B41M5/00

摘要： An ink contains at least one kind of polyether-modified siloxane compound and at least one kind of aliphatic alcohol alkylene oxide compound.

公开(公告)号：US11274221B2

公开(公告)日：2022-03-15

申请号：US16169621

申请日：2018-10-24

申请人： RICOH COMPANY, LTD.

发明人： Kazuhiko Umemura ,  Yuuki Yokohama ,  Akihiko Matsuyama ,  Amika Sagara ,  Masaki Kudo ,  Mayumi Yoshihara ,  Kento Sugita

IPC分类号： C09D11/00 ,  C09D11/102 ,  C09D11/322 ,  C09D11/40 ,  C09D11/38 ,  C09D183/12 ,  C09D1/00 ,  C09D4/00 ,  C09D5/00 ,  C09K3/00 ,  C08L83/06 ,  C08G77/46

摘要： An ink includes at least one polyether-modified siloxane compound, and at least one aliphatic alcohol alkylene oxide compound. The mass ratio of the polyether-modified siloxane compound to the aliphatic alcohol alkylene oxide compound in the ink is from 95/5 to 50/50.

公开(公告)号：US11578220B2

公开(公告)日：2023-02-14

申请号：US17198357

申请日：2021-03-11

申请人： RICOH COMPANY, LTD.

发明人： Tomohiro Nakagawa ,  Hiroki Hagiwara ,  Yuutaroh Nonaka ,  Yuusuke Fujita ,  Kazuhiko Umemura ,  Sei Yamamoto

IPC分类号： C09D11/037 ,  B41M5/00 ,  C09D11/322 ,  C09D11/38 ,  B41J2/21 ,  B41J2/01

摘要： An ink contains water, Pigment Red 269, a compound represented by the following Chemical formula (1), and at least one of a silicone compound and an acetylene glycol compound, where the proportion of the compound represented by the following Chemical formula (1) to the Pigment Red 269 is 2.0 percent by mass or less:

公开(公告)号：US11186737B2

公开(公告)日：2021-11-30

申请号：US16888903

申请日：2020-06-01

申请人： RICOH COMPANY, LTD.

发明人： Tomohiro Nakagawa ,  Hiroki Hagiwara ,  Yuutaroh Nonaka ,  Kazuhiko Umemura

IPC分类号： C09D11/322 ,  B41M5/00 ,  C09B29/28 ,  C09D11/033 ,  C09D11/037 ,  C09D11/38 ,  D06P5/30 ,  D21H19/42 ,  D21H19/46 ,  B41J2/21 ,  B41J2/01

摘要： An ink includes water, a compound represented by the following Chemical formula 1, Pigment Red 269 represented by the following Chemical formula 2, and alkylene glycol alkyl ether, wherein the proportion of the compound represented by the following Chemical formula 1 in a total amount of the Pigment Red 269 is 2 or less percent by mass.