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
Deposited conductive layers for leads of implantable electric stimulation systems and methods of making and using
Support member, rotation device comprising such a support and rolling bearing assembly including such a detection device
Electronic currency, electronic wallet therefor and electronic payment systems employing them
Mobile phone
Methods and apparatus to provide haptic feedback
Detection and use of low molecular-weight modulators of the cold-menthol receptor TRPM8
Partial response decision feedback equalizer with distributed control
  Randomly Featured Patents
Orthodontic brackets with pivotal fastenings
Kite
Self-plugging blind fastener
KVM switch for switching among computers by employing mouse movement signal and method thereof
Surgical procedure tray
Method and system for providing service listings in electronic yellow pages
Method with substituted 1-benzyl-1H-indazole-3-carboxylic acids for interrupting pregnancy in mammals
Plant pot arrangement
Steering control arrangement
Airbag folding device and airbag folding method