Method for manufacturing tablet processing agent for silver hali

Details Method for manufacturing tablet processing agent for silver hali Method for manufacturing tablet processing agent for silver hali

1995-03-13

1996-04-30

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Fixer

430449, 430461, 430465, G03C 530, G03C 538, G03C 542

Patent

active

055124240

ABSTRACT:
A method of manufacturing a tablet processing agent for a silver halide photographic light-sensitive material is disclosed, which comprises the step of
molding particles into tablets at a compression pressure of 400 to 4500 kg/cm.sup.2 and at a compression dwell time of 0.015 to 1.000 second to obtain the tablet processing agent, wherein the particles comprises a compound selected from the group consisting of a p-phenylene diamine and its derivatives, a hydroxylamine and its derivatives, an alkali metal carbonate, an amino polycarboxylic acid ferric complex and a thiosulfate.

REFERENCES:
patent: 5202067 (1993-04-01), Solazzi et al.
patent: 5366853 (1994-11-01), Toshimoto
patent: 5409805 (1995-04-01), Haraguchi et al.
Gerhartz et al. "Ullmann's Encyclopaedia of Industrial Chemistry", vol. B2, pp. 7-35, 1988.
Armstrong. "Causes of Tablet Compression Problems", 870 Manufacturing Chemist and Aerosol News, vol. 53, Oct. 1982.
Hagers, "Handbuch Der Pharmazeutiscen Praxis, Band VII, Teil A" 1971, Springer-Verlag, Berlin, pp. 713-716.
Remington's Pharmaceutical Sciences Ed. 17, Mack Publishing Co., 1985, p. 1620.
Sucker, et al. "Pharmazeutische Technologie" 1991 Georg Thieme Verlag, pp. 294, 301.

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