Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Poon; Stephen S. C.
Address:
Harlow, GB2
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
4981775 Photothermographic elements January 1, 1991
A photothermographic element comprising a support bearing an image forming system comprising:(a) a photosensitive silver halide(b) an organic silver compound(c) a polymer binder and(d) a reducing agent for the organic silver compound, characterized in that the reducing agent comprises a redo
4594312 Heat bleachable dye systems June 10, 1986
Photothermographic elements containing heat bleachable acutance/antihalation dyes and thermographic elements employing heat bleachable dyes of the formula: ##STR1## in which: n is 2, 3, 4 or 5,at least one of R.sup.1 to R.sup.4 represent hydrogen and the remainder of R.sup.1 to R
4581323 Photothermographic element having topcoat bleachable antihalation layer April 8, 1986
A photothermographic element comprising a reflective base having coated thereon one or more layers constituting a photothermographic imaging medium in which a bleachable antihalation medium is coated over said photothermographic imaging medium, the components of the antihalation medi
4548896 Dye-bleach materials and process October 22, 1985
An imagewise bleachable composition is described comprising a dye in reactive association with a mesoionic compound. The composition may be bleached by radiation at wavelengths between 200 and 1000 nm.










 
 
  Recently Added Patents
Print processing method, print relay server, control method, and storage medium to reserve print data
Systems and methods for unchoked control of gas turbine fuel gas control valves
Modular connector for touch sensitive device
Metal melting apparatus and method for melting metal
Methods of packaging imager devices and optics modules, and resulting assemblies
Methods and systems for temporarily sharing position data between mobile-device users
Method of operating an electromechanical converter, a controller and a computer program product
  Randomly Featured Patents
Drill fluid collecting device and method of use
Semiconductor device for obtaining an accurate threshold voltage adjustment
Light unit for vehicle
Apparatus and system for managing multiple computers
Self-actuated flow control valve
Metal-ceramic multilayer structure
Heart valve with rectangular orifice
In-bound telemarketing system for processing customer offers
Method of stabilizing adjacent vertebrae with rotating, lockable, middle-expanded intervertebral disk stabilizer
Peptides having ubiquitin-like activity