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Allied Corporation

Allied Chemical Corporation

Edward R Degginger

Albert H Steinberg

Michael P Dellavecchia

The color-intensity of exposed and developed Kodachrome color film in the form of color transparencies or continuous strip such as movie film can be reduced by treating selected areas or all of the emulsion side of said color film with an aqueous solution of a dichromate salt acidified with an inorganic mineral acid or formic acid. Any undesirable alteration in color tone is minimized by including a soluble salt of nickel or cobalt in said aqueous solution. The reduction in color-intensity is a function of time and/or acid concentration.

Reduction of color intensity of Kodachrome color film

Rigid, non-elastomeric, non-cellular, amorphous metal reinforced urethane compositions and methods for preparing them; said composition characterized by high flexural strength and prepared by impregnating an amorphous metal reinforced material with a polyether-urethane prepared by admixing a blend of polyethers having an average functionality of from 4.0 to about 7.5 and an average hydroxyl number of from 300 to about 600, with an organic polyisocyanate and curing said impregnated amorphous metal reinforced material.

Rigid, non-elastomeric, non-cellular, amorphous metal reinforced

Reinforced thermoplastic polymer composite sheets, formable into smooth, shaped objects in a stamping process. The characterizing constitutents of the composite sheet are: (1) a first layer of thermoplastic resin containing short glass fibers and a mineral filler such as kaolin, (2) a backing reinforcing layer comprising a long glass mat encased in a resin matrix and (3) optionally a third layer similar to said first layer.

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Convent Station, NJ, United States of America

Edward R Degginger