Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Antihalation or filter layer containing
Patent
1980-09-22
1981-12-22
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Antihalation or filter layer containing
430576, 430627, 430931, G03C 184
Patent
active
043071848
ABSTRACT:
The present invention refers to a photographic material including in one of its layers a polymeric product having an aminoallylidenemalononitrile ultraviolet absorber unit which can be introduced into a photographic layer by aqueous solutions, with the method according to this invention, of including said aminoallylidenemalononitrile unit in an allyl monomer and then copolymerizing it with an ethylenically unsaturated monomer in order to obtain said polymeric product to be added to the layer forming composition. This invention is of particular industrial interest in the field of color photographic materials.
REFERENCES:
patent: Re30303 (1980-01-01), Weber et al.
patent: 4045229 (1977-08-01), Weber et al.
patent: 4106941 (1978-08-01), Scullard et al.
Beretta Paolo
Vallarino Angelo
Alexander Cruzan
Brammer Jack P.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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