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:
Apr. 18, 2000
Filed:
Jun. 26, 1998
Shuji Ichikawa, Yokohama, JP;
Kazumi Goto, Yokohama, JP;
Mitsubishi Pencil Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is an ink composition for osmotic seals, stamp pads or vermilion ink-pads comprising at least one organic solvent selected from the group consisting of glycol ethers, glycol ether acetates, esters and derivatives thereof, a colorant consisting of a pigment and/or a dye, a resin having a solubility of 7% or less in water or ethanol at 25.degree. C. and a fluorinated surfactant, wherein the foregoing ink composition is excellent in a seal sticking property against non-absorbing surfaces, a water resistance and an alcohol resistance so as to be able to stamp on various stamping surfaces such as resin surface, glass surface and metal surface and to be able to stamp certainly even on stamping surfaces having a releasing property or a water repellent property.