Radiation imagery chemistry: process – composition – or product th – Microcapsule – process – composition – or product
Patent
1990-01-18
1990-11-06
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Microcapsule, process, composition, or product
4284022, 42840221, 42840224, 503215, G03C 168, B41M 512, B41M 518
Patent
active
049685805
ABSTRACT:
A method for forming a full color photosensitive material in a single batch and the material produced thereby is disclosed. The method includes dispersing three internal phases, each containing a different color-forming agent in a continuous solution to form an emulsion, and thereafter forming mirocapsule walls around each of the internal phases. The invention is particularly characterized by the use of an agent to control intermixing of the internal phases.
REFERENCES:
patent: 4138362 (1979-02-01), Vassiliades et al.
patent: 4353809 (1982-10-01), Hoshi et al.
patent: 4576891 (1986-03-01), Adair et al.
patent: 4778781 (1988-10-01), Washizu et al.
patent: 4783438 (1988-11-01), Okada et al.
Kovacs Kerry
Lee Chuan
Doody Patrick A.
Michl Paul R.
The Mead Corporation
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