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:
Jan. 19, 1999
Filed:
May. 07, 1997
Koji Tsukamoto, Kawasaki, JP;
Takeshi Ishitsuka, Kawasaki, JP;
Tetsuzo Yoshimura, Kawasaki, JP;
Katsusada Motoyoshi, Kawasaki, JP;
Yasuhiro Yoneda, Kawasaki, JP;
Fujitsu Limited, Kanagawa, JP;
Abstract
A refractive-index imaging material which includes a binder made of either of a copolymer having acrylic epoxy, chain epoxy, organic denatured silicone, and ethylene unsaturated compound having a hydroxyl group in its end in the building block of the copolymer and a copolymer having any one of ethylene unsaturated compounds containing silicone in the building block of the copolymer, a photosensitive monomer made of a mixture including multifunctional acrylate or multifunctional methacrylate and an ethylene unsaturated monomer containing an aromatic ring or halogen and a photopolymerization initiator.