US 11,891,530 B2
Writing gel ink
Guillaume Caffier, Wegscheid (FR); Anne-Lise Damiano, Lagny sur Marne (FR); Christelle Debrauwer, Saint Germain sur Morin (FR); Claire Evrard, Saint Mande (FR); and Wing Yam Liu, Montevrain (FR)
Assigned to SOCIETE BIC, Clichy (FR)
Appl. No. 16/956,038
Filed by SOCIETE BIC, Clichy (FR)
PCT Filed Dec. 19, 2018, PCT No. PCT/EP2018/085993
§ 371(c)(1), (2) Date Jun. 19, 2020,
PCT Pub. No. WO2019/122017, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 17306876 (EP), filed on Dec. 21, 2017.
Prior Publication US 2021/0108099 A1, Apr. 15, 2021
Int. Cl. C09D 11/18 (2006.01); C08K 3/36 (2006.01); C08K 5/05 (2006.01); C08K 5/20 (2006.01); C08K 5/00 (2006.01)
CPC C09D 11/18 (2013.01) [C08K 3/36 (2013.01); C08K 5/0041 (2013.01); C08K 5/05 (2013.01); C08K 5/20 (2013.01)] 17 Claims
 
1. A non-aqueous gel writing ink comprising a solvent, a coloring agent and a gelling agent, wherein the gelling agent comprises a mixture of silica particles and of a fatty acid amide wax, and wherein the fatty acid amide wax includes octadecanamide of the following formula:

OG Complex Work Unit Chemistry