Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 252/501.1
Name: Compositions > Electrically conductive or emissive compositions > Light sensitive
Description: Compositions wherein the electrical conductivity or emissivity varies with the intensity of the light to which it is exposed.


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4269919 Inorganic photoconductive coating, electrophotographic member and sputtering method of making the same May. 26, 1981
4265991 Electrophotographic photosensitive member and process for production thereof May. 5, 1981
4254200 Electrophotographic element with bismuth oxide compound Mar. 3, 1981
4254093 Solar energy grade cadmium sulfide Mar. 3, 1981
4250228 Electrostatic record element of electroconductive base sheet coated with resin layer containing ZnO powder of specified resistivity Feb. 10, 1981
4241158 Vacuum deposited electrophotographic photosensitive member Dec. 23, 1980
4239844 Electrophotoconductive Cd S Se materials with Cu and Cl Dec. 16, 1980
4222902 Semiconductive and sensitized photoconductive compositions Sep. 16, 1980
4218247 Photoconductive resin containing tertiary amino groups for electrophotography Aug. 19, 1980
4189406 Method for hot-pressing photoconductors Feb. 19, 1980
4156757 Electrically conductive perylene derivatives May. 29, 1979
4147667 Photoconductor for GaAs laser addressed devices Apr. 3, 1979
4133821 Alkylidenediquinocyclopropanes and Diarylcyclopropenes and method for preparation Jan. 9, 1979
4111850 Organic photoconductors and methods Sep. 5, 1978
4101452 Lead sulfide activation process Jul. 18, 1978
4099079 Secondary-emissive layers Jul. 4, 1978
4095006 Cadmium sulfide film Jun. 13, 1978
4090983 Photoconductive cadmium sulfide and process for producing same May. 23, 1978
4080155 Switching devices for photoflash unit Mar. 21, 1978
4069356 Method for rapidly forming photoconductive layers for integrated circuits Jan. 17, 1978
4069438 Photoemissive cathode and method of using comprising either cadmiumtelluride or cesium iodide Jan. 17, 1978
4052119 Crystals for recording phase holograms Oct. 4, 1977
4049505 Photoconductors for electrostatic imaging systems Sep. 20, 1977
4047945 Xeroprinting master and process Sep. 13, 1977
4042526 Non-crystalline substance having an optical memory effect Aug. 16, 1977
4040985 Photoconductive films Aug. 9, 1977
4032477 Method of enhancing the electron yield during photoionization of a sensibilizer Jun. 28, 1977
4029604 Method for preparing a photoconductive powder Jun. 14, 1977
4025691 Organic semiconductor element May. 24, 1977
4025704 Organic semiconductors May. 24, 1977
4025463 Organic semiconductor compositions May. 24, 1977
3989644 Radiation curable inks Nov. 2, 1976
3986873 Photosensitive polymeric materials comprising poly-N-vinylphenoxazine and poly-N-vinylphenothiazine Oct. 19, 1976
3984378 Process for manufacturing nitropyrene-formaldehyde resin Oct. 5, 1976
3981728 Xerographic imaging member having hexagonal selenium in inter-locking continuous paths Sep. 21, 1976
3976812 Photoconductive cells Aug. 24, 1976
3968056 Radiation curable inks Jul. 6, 1976
3962141 Vitreous photoconductive material Jun. 8, 1976
3957694 Radiation curable inks May. 18, 1976
3951582 Switching devices for photoflash unit Apr. 20, 1976
3950272 Method of preparing Conductron-type photoconductors and their use as target materials for camera tubes Apr. 13, 1976

1 2 3 4 5


 
 
  Recently Added Patents
Driving device and door closer
Spotlight
Methods for amplifying polymeric nucleic acids
Acoustic pulse flow meter
Recycling system
Liquid crystal composition and liquid crystal display device having the same
Currency sorter
  Randomly Featured Patents
Digital-to-analog converter and related level shifter thereof
Micro chaotic mixer
Controlling display
Method for the manufacture of highly heat-resistant relief structures
Method and apparatus for improved tokenization of natural language text
Surface engageable electrical connector
Method and apparatus for controlling the modulation of light beams in a rotating polygon type image forming apparatus
Liquid crystal display device
Apparatus for preventing turnover of a motorized two-wheeled vehicle
Pneumatic sponge mop