Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Acylhydrazinophenylthiourea nucleating agents and photographic emulsions and elements containing such agents
T997004 Acylhydrazinophenylthiourea nucleating agents and photographic emulsions and elements containing such agents
Patent Drawings:

Inventor: Leone
Date Issued: August 5, 1980
Application: 06/105,317
Filed: December 19, 1979
Inventors: Leone; Ronald E. (Rochester, NY)
Assignee:
Primary Examiner:
Assistant Examiner:
Attorney Or Agent:
U.S. Class: 430/378; 430/548; 546/225; 564/27
Field Of Search:
International Class: G03C 1/485
U.S Patent Documents:
Foreign Patent Documents:
Other References:









Abstract: Novel 3,3-disubstituted acylhydrazinophenylthiourea nucleating agents are disclosed as well as silver halide photographic emulsions and elements containing silver halide grains capable of forming an internal latent image having the nucleating agents adsorbed to the surface of the silver halide grains. Imaging processes in which these materials participate are also disclosed.
Claim:
Description:
 
 
  Recently Added Patents
Methods and systems for time-shifting content
Method for dropping packet data, radio communication device, and mobile communication system
Method of optimizing air mover performance characteristics to minimize temperature variations in a computing system enclosure
High power insulated gate bipolar transistors
Sound producing apparatus for vehicle
Carrier for developing electrostatic charge image, developer for developing electrostatic charge image, image forming apparatus, and image forming method
Printed wiring board with reinforced insulation layer and manufacturing method thereof
  Randomly Featured Patents
Manufacture of rubber articles
Catalyst composition useful in the catalytic reduction of sulfur compound contained in a gas stream and a method of making and using such composition
Threads with perturbations
Resin catalysts and method of preparation
Tennis racket with adjustable weight
Washing machine
Radio port controller in a wireless personal communications system
Cosmetic or personal care composition comprising a polymer comprising oxazolidon groups
Component telephone autodialer having a graphic user interface
Process for the preparation of cyclohexyl cyclohexanone