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. 22, 1983
Filed:
Feb. 24, 1982
Shigeki Yokoyama, Minami-ashigara, JP;
Shinzo Kishimoto, Minami-ashigara, JP;
Itsuki Toriya, Minami-ashigara, JP;
Taku Nakamura, Minami-ashigara, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A silver halide photographic light-sensitive material having at least one antistatic layer, said antistatic layer containing a dispersion of polymer represented by the following formula (I): ##STR1## wherein A represents a monomer unit formed from a copolymerizable monomer having at least two ethylenically unsaturated groups, B represents a monomer unit formed from a copolymerizable and monoethylenically unsaturated monomer, R.sub.1 represents a hydrogen atom or a lower alkyl group having 1 to 6 carbon atoms, Q represents a divalent group containing 1 to 12 carbon atoms, R.sub.2, R.sub.3 and R.sub.4 may be the same or different and each represents an alkyl group containing 1 to 20 carbon atoms, or an aralkyl group containing 7 to 20 carbon atoms, or R.sub.2, R.sub.3 and R.sub.4 may combine to form a ring together with the nitrogen atom, X.sup..crclbar. represents an anion, x is about 0.25 to 10 mol%, y is about 0 to 90 mol%, and z is about 10 to 99 mol%.