Method for melting a photographic composition gel to a sol using

Details Method for melting a photographic composition gel to a sol using Method for melting a photographic composition gel to a sol using

1992-05-04

1994-10-18

Leung, Philip H.

Electric heating

Capacitive dielectric heating

Specific heating application

219774, 219762, 219736, 219702, 430130, H05B 654, G03C 102

Patent

active

053570880

ABSTRACT:
A method for making a photographic composition gel ready for use in production from a good preservative frozen state, causing no change in photographic properties, wherein a photographic composition gel is melted to a sol by placing a light shielding dielectric preservative container holding lumps of a photographic composition gel in a dielectric heating apparatus which generates high frequencies capable of penetrating to a depth corresponding to the size of the above photographic composition gel lumps, and melting the photographic composition gel to a sol by irradiating the lumps of gel with the above high frequencies from the outside of the container.

REFERENCES:
patent: 2602134 (1952-07-01), Nelson
patent: 3553413 (1971-01-01), Soulier
patent: 4004122 (1977-01-01), Hallier
patent: 4114011 (1978-09-01), Stubbs
patent: 4353890 (1982-10-01), Scott
patent: 4567340 (1986-01-01), Latchum, Jr.
patent: 4673782 (1987-06-01), Koepke et al.

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