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:
Jul. 14, 1998
Filed:
Mar. 25, 1997
Sadanao Okuda, Inashiki-gun, JP;
Teruaki Ohkawa, Inashiki-gun, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A water-in-oil (W/O) emulsion ink for stencil printing having an oil phase and a water phase is provided, in which a pearlescent pigment is contained in said oil phase and/or said water phase in an amount of 1 to 20% by weight of the total weight of said emulsion ink. The pearlescent pigment has an average particle size of 1 to 30 .mu.m. The pearlescent pigment preferably has a hiding power of 1,000 cm.sup.2 /g or lower. A colorant may be contained in at least one of said oil phase and said water phase. The oil phase preferably contains a non-volatile solvent, a volatile solvent, and an emulsifier, and optionally a resin. The water phase preferably contains an oil-in-water (O/W) emulsion of resin and/or a water soluble resin. The emulsion ink provides glossy printed images regardless of types of paper, and is quick in drying.