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:
Aug. 31, 1999
Filed:
Nov. 26, 1997
Teruaki Fukasawa, Isezaki, JP;
Kabushiki Kaisha Pilot, Tokyo, JP;
Abstract
A water-in-oil dispersed ink comprising: (A) a water-insoluble dispersion medium comprising 20% by weight--50% by weight of a water-insoluble polar solvent of an aromatic alcohol and/or an aliphatic glycol phenyl ether, 0.5% by weight--5.0% by weight of a water-insoluble organic amine, and 3% by weight--30% by weight of an oil-soluble dye, all percentages being based on the total weight of the ink; and (B) a particulate dispersion phase including a dispersion stabilizing phase comprising a polyhydric alcohol that is formed on the surface of dispersed particles, the particulate dispersion phase comprising 20% by weight--50% by weight of the polyhydric alcohol, and a water-based dispersoid comprising 3% by weight--20% by weight of water, 0.3% by weight--2.0% by weight of a cross-linking acrylic acid polymer, and 0.5% by weight--4.0% by weight of triethanol amine, all percentages being based on the total weight of the ink, and wherein the dispersed particles are uniformly dispersed in the dispersion medium.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile