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. 07, 1998
Filed:
Dec. 12, 1996
Keiji Watanabe, Kawasaki, JP;
Ei Yano, Kawasaki, JP;
Takahisa Namiki, Kawasaki, JP;
Keiko Yano, Kawasaki, JP;
Takashi Maruyama, Kawasaki, JP;
Tomio Nakamura, Tokyo, JP;
Shigeru Shimizu, Tokyo, JP;
Takashi Saitoh, Tokyo, JP;
Masashi Uzawa, Tokyo, JP;
Masami Ishikawa, Tokyo, JP;
Fujitsu Limited, Kawasaki, JP;
Nitto Chemical Industry Co., Ltd., Tokyo, JP;
Abstract
A composition for irradiation with an ionizing radiation, characterized by comprising: (a) 0.01 to 30 parts by weight of a soluble aniline polymer which comprises one or both of the repeating units represented by the following general formulae (1) and (2), said repeating units being included at least 80% of the total repeating units, possesses a weight average molecular weight of not less than 10,000, and is solid at room temperature; and (b) 100 parts by weight of a solvent, ##STR1## wherein R.sup.1 to R.sup.4 represent an electron-donating group, Y.sup.1 to Y.sup.4 represent --SO.sub.3 -- or --COO--, and M.sup.1 to M.sup.4 represent a hydrogen ion, an ammonium ion, an a1kyl ammonium ion with 1 to 8 carbon atoms, an aromatic ammonium ion, or a quaternary ion of an aromatic heterocyclic ring.