Assignee
CELLOPHANE SA
22 patents
Top patents by PatentIndex Score
US4252601AFeb 24, 1981
Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like
CELLOPHANE SA16 citations81
US4439512AMar 27, 1984
Chromogenic compositions containing stabilized phenolic coupler compounds, recording materials and processes utilizing same
CELLOPHANE SA11 citations72
US4276340AJun 30, 1981
Cellulose packaging films for packaging soft cheeses
CELLOPHANE SA24 citations70
US3983285ASep 28, 1976
Composite polyester films and process for producing the same
CELLOPHANE SA27 citations70
US3943418AMar 9, 1976
Corona charging device
CELLOPHANE SA11 citations69
US4237207ADec 2, 1980
Photochromic composition containing indoline spirobenzopyran and copolymer of PVC and imaged product thereof
CELLOPHANE SA13 citations67
US4171980AOct 23, 1979
Photosensitive compositions and recording materials and processes utilizing same
CELLOPHANE SA15 citations67
US4054684AOct 18, 1977
Composition for forming colored images, new recording material and process using same
CELLOPHANE SA16 citations66
US3957515AMay 18, 1976
Photographic process for producing colored polymerized images
CELLOPHANE SA9 citations66
US4244894AJan 13, 1981
Process and apparatus for the manufacture of films by electrostatic application
CELLOPHANE SA10 citations65
US4238533ADec 9, 1980
Coating process and apparatus
CELLOPHANE SA17 citations65
US3964911AJun 22, 1976
Photographic reproduction processes using diazonium salts and substituted spiro[benzopyrane]
CELLOPHANE SA13 citations65
US3980475ASep 14, 1976
Process of transferring an electrostatic latent image to a dielectric support
CELLOPHANE SA3 citations56
US4115114ASep 19, 1978
Electrostatic charge image transfer
CELLOPHANE SA4 citations55
US4226931AOct 7, 1980
Process of making lithographic plate, and plate from photosensitive element
CELLOPHANE SA4 citations52
US4327006AApr 27, 1982
Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like
CELLOPHANE SA0 citations51
US3972714AAug 3, 1976
Method for electrostatic reproduction by charge transfer
CELLOPHANE SA4 citations50
US4127084ANov 28, 1978
Image support for dry development device
CELLOPHANE SA1 citations47
US4172725AOct 30, 1979
Photosensitive compositions and recording materials and processes utilizing same
CELLOPHANE SA1 citations45
US4033577AJul 5, 1977
Sheet feeding devices
CELLOPHANE SA3 citations45
US3980048ASep 14, 1976
Liquid development apparatus
CELLOPHANE SA1 citations45
US3999513ADec 28, 1976
Device for development of electrophotographic electrosensitive papers
CELLOPHANE SA1 citations40