Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product – Composition or product or process of making the same
Patent
1986-12-10
1988-11-29
Shah, Mukund J.
Radiation imagery chemistry: process, composition, or product th
Holographic process, composition, or product
Composition or product or process of making the same
430 1, 430394, 430396, 430945, G03H 104, G03C 500, G03C 504
Patent
active
047881151
ABSTRACT:
Holograms which contain gelatin as the binder are prepared by holographically exposing the material by use of coherent light, developing the holographic image by a chemical or physical process and before processing, simultaneously or subsequently, treating the material with a solution of a gelatin reactive compound which has a molecular weight of over 200 and which reacts with the gelatin to form covalent bonds therewith to increase the molecular bulk of the gelatin.
REFERENCES:
patent: 3850633 (1974-11-01), Moran et al.
patent: 4032348 (1977-06-01), Kido et al.
patent: 4076772 (1978-02-01), Murbach et al.
patent: 4656106 (1987-04-01), Holland et al.
Butcher David W.
Long William E.
Ciba-Geigy AG
Shah Mukund J.
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