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:
Feb. 03, 1976
Filed:
Aug. 02, 1973
Shirow Asakawa, Kawasaki, JA;
Katsue Hasegawa, Kawasaki, JA;
Reiji Sano, Kawasaki, JA;
Shunsuke Matsuda, Kawasaki, JA;
Matsushita Electric Industrial Co., Ltd., Kadoma, JA;
Abstract
A light and heat sensitive composition useful particularly in photographic reproduction, the composition comprising a combination of an electron donative material, such as a .pi.-base and an electron acceptive material such as a .pi.-acid both dispersed in an aqueous dispersion medium in the form of discrete particles, at least one of the electron donative and electron acceptive materials being capable of polymerization upon irradiation by actinic light or an actinic corpuscular ray and the materials producing a colored charge transfer complex under predetermined heating conditions.