Patent ID: 11970623
Assignee: SOCIÉTÉ BIC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 9:
10. A dry-erase ink for a writing instrument, comprising a solvent that is selected from the group consisting of n-propyl acetate, isopropyl acetate, and mixtures thereof as the main organic solvent, wherein the solvent is between 70% and 83% by weight relative to a total weight of the ink, the ink includes a pigment, a resin, a separating agent and, additives,
wherein the separating agent is a mixture comprising an ester of pentaerythritol and the separating agent is between 12 and 14% by weight relative to a total weight of the ink and,
wherein the dry-erase ink is without polyoxyethylene-polyoxypropylene alkyl ether and without a polyoxyethylene alkylphenyl ether phosphate.