Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...
Patent
1984-05-02
1987-12-15
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Transfer procedure between image and image layer, image...
Diffusion transfer process, element, or identified image...
430428, 430455, 430566, 544243, 544310, 544311, 544312, G03C 554, G03C 538
Patent
active
047133139
ABSTRACT:
Compounds which include a quaternary group connected to a pyrimidine residue through a linkage are disclosed. These compounds are useful as silver halide solvents in photographic products, processes and compositions.
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patent: 4298675 (1981-11-01), Taylor
patent: 4350754 (1982-09-01), Bartels-Keith et al.
Bartels-Keith, deceased James R.
Puttick Anthony J.
Taylor Lloyd D.
Maccarone Gaetano D.
Polaroid Corporation
Schilling Richard L.
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