Radiation imagery chemistry: process – composition – or product th – Diazo reproduction – process – composition – or product – Composition or product which contains radiation sensitive...
Patent
1977-09-06
1980-01-29
Kelley, Mary F.
Radiation imagery chemistry: process, composition, or product th
Diazo reproduction, process, composition, or product
Composition or product which contains radiation sensitive...
430175, 430172, G03C 152, G03C 168
Patent
active
041860179
ABSTRACT:
This invention relates to a light-sensitive copying composition comprising a diazonium salt condensation product, a stabilizer, and a polyurethane prepolymer with free terminal isocyanate groups.
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patent: 3655625 (1972-04-01), Thomas
patent: 3660097 (1972-05-01), Mainthia
patent: 3732105 (1973-05-01), Klupfel
patent: 3782961 (1974-01-01), Takahashi
patent: 3867147 (1975-02-01), Tuescher
patent: 3957512 (1976-05-01), Kleeberg
Bryan James E.
Hoechst Aktiengesellschaft
Kelley Mary F.
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