Silver halide photographic material
Patent 5213959 Issued on May 25, 1993. Estimated Expiration Date: 
June 20, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 20, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLight sensitive material for making lithographic printing plate therefrom Patent #: 4879193 InventorsApplicationNo. 718180 filed on 06/20/1991US Classes:430/607, Stabilizing or fog inhibiting ingredient containing430/627, Resin or synthetic polymer containing430/629, Sulfur or sulfur compound containing430/642Gelatin or derivative containingExaminersPrimary: Brammer, Jack P.Attorney, Agent or FirmInternational ClassG03C 001/06Foreign Application Priority Data1990-06-20 JPAbstractA silver halide light-sensitive material containing at least silver halide grains, a dispersion medium, an antifoggant, and a hardening agent, wherein said antifoggant is an antifoggant having a reactive substituent capable of reacting with a functional group of the dispersion medium to form a covalent bond after adsorption on the silver halide grains and/or an antifoggant previously covalently bonded to the dispersion medium. The antifoggant is immobilized in a light-sensitive material while exerting its antifogging activity and is not therefore dissolved into a developing solution. |
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