Inventor

LOK ROGER

US66 patents

⚠️ This page may combine multiple inventors who share the name “LOK ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LOK ROGER

EASTMAN KODAK CO

High chloride tabular grain emulsions and processes for their preparation

Photographic element containing new gold(I) compounds

Silver ion sequester and release agent

Iodochloride emulsions containing quinones having high sensitivity and low fog

Cubical grain silver iodochloride emulsions and processes for their preparation

Photographic print elements containing cubical grain silver iodochloride emulsions

Iodochloride emulsions containing iodonium salts having high sensitivity and low fog

High chloride emulsions having high sensitivity and low fog and improved photographic responses of HIRF, higher gamma, and shoulder density

Composite silver halide grains and processes for their preparation

Photographic speed increasing and latent image stabilizing compounds, silver halide emulsions, and photographic elements

Photographic speed increasing and latent image stabilizing compounds, silver halide emulsions, and photographic elements

Photographic element exhibiting improved speed and stability

Thiosulfonate-sulfinate stabilizers for photosensitive emulsions

Amido substituted divalent chalcogenide fog inhibiting agents for silver halide photography

Photographic element containing water soluble bis Au(I) complexes

Stabilization of photographic recording materials

Photographic sensitivity increasing alkynylamine compounds and photographic elements

Au(I) sensitizers for silver halide emulsions

Au(I) sensitizers for silver halide emulsions

Gold(I) sensitizers for silver halide emulsions

Photographic element containing new gold(I) compounds

Photographic element containing bis Au(I) complexes and sulfiding agent

High chloride silver halide elements containing activated precursors to thiolic stabilizers

Silver halide emulsions with improved heat stability

Combination of dithiolone dioxides with gold sensitizers in AGCL photographic elements

Silver halide photographic elements containing dioxide compunds a stabilizers

Silver halide photographic elements containing dithiolone 1 oxide compounds

Silver halide emulsions with improved heat stability

Photographic elements exhibiting improved stability

Class of compounds which increases and stabilizes photographic speed

Process of forming a photographic emulsion

Photographic elements containing emulsion stabilizers

Heat stabilized silver chloride photographic emulsions containing thiosulfonate/sulfinate compounds

Divalent chalcogenide fog inhibiting agents for silver halide photography

Tellurium salt fog inhibiting agents for silver halide photography

Stable and water soluble bis Au(I) complexes and their synthesis

Stable and water soluble bis Au(I) complexes and their synthesis

Color reversal photographic element containing emulsion sensitized with organomercapto AU(1) complexes and rapid sulfiding agents

Photographic element exhibiting improved speed and stability

Photographic recording material with improved raw stock keeping

Cyclic dichalcogenide fog inhibiting agents for silver halide photography

Method for screening chemical sensitizers

Photographic elements containing alkynylamine dopants

Quaternized tellurium salt fog inhibiting agents for silver halide photography

Photographic element containing new gold (I) compounds

Direct reversal emulsions

Heat sensitivity improvement with combinations of gold sensitization and spectral sensitizing dye and filter device

Room-light handleable direct reversal silver halide emulsions containing nitro-substituted imidazole rereversal suppressants

Enhanced sensitivity from thiolone dioxides in cubic silver chloride emulsions with sharp corners

EASTMAN KODAK COMPAMN

Color photographic materials and methods with stabilized silver chloride emulsions