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. 13, 1996
Filed:
Feb. 09, 1995
Sunao Satake, Tokyo, JP;
Yoshimi Yatsuyanagi, Tokyo, JP;
Masahiro Fujii, Tokyo, JP;
Ippei Imagawa, Tokyo, JP;
Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A reactive microgel suitable for a photosensitive resin composition for a water-developable flexographic printing plate, which has an average particle diameter of 1 to 10 .mu.m, and is formed of microgel particles, as a core, synthesized from an acrylic monomer in an aqueous medium in the presence of an oil-soluble initiator and in the presence of a reactive polymer emulsifier which is an adduct of a neutralized product of an acrylic copolymer having a tertiary amino group with a compound having an epoxy group and an .alpha.,.beta.-unsaturated double bond, and a nonionic emulsifier having an HLB of 12 to 16, and a compound having an epoxy group and an .alpha.,.beta.-unsaturated double bond, attached to surfaces of the microgel particles.