Assignee
POLYCHROME CORP
US73 patents
Top patents by PatentIndex Score
US4174307ANov 13, 1979
Room-temperature-radiation-curable polyurethane
POLYCHROME CORP61 citations96
US4350753ASep 21, 1982
Positive acting composition yielding pre-development high visibility image after radiation exposure comprising radiation sensitive diazo oxide and haloalkyl-s-triazine with novolak and dyestuff
POLYCHROME CORP80 citations95
US4347300AAug 31, 1982
Imaging peel apart element employing two photohardenable layers
POLYCHROME CORP36 citations93
US4340657AJul 20, 1982
Novel radiation-sensitive articles
POLYCHROME CORP41 citations92
US4289838ASep 15, 1981
Diazo-unsaturated monomer light sensitive compositions
POLYCHROME CORP38 citations92
US4072589AFeb 7, 1978
Process for electrolytic graining of aluminum sheet
POLYCHROME CORP38 citations91
US3935080AJan 27, 1976
Method of producing an aluminum base sheet for a printing plate
POLYCHROME CORP39 citations91
US4104072AAug 1, 1978
Water developable lithographic printing plate having dual photosensitive layering
POLYCHROME CORP33 citations89
US4179304ADec 18, 1979
Finger nail lacquer
POLYCHROME CORP52 citations85
US4191570AMar 4, 1980
Process for heat treating lithographic printing plates
POLYCHROME CORP31 citations83
US4305854ADec 15, 1981
Radiation curable pressure sensitive adhesive
POLYCHROME CORP21 citations82
US4147545AApr 3, 1979
Photolithographic developing composition with organic lithium compound
POLYCHROME CORP19 citations82
US4348471ASep 7, 1982
Positive acting composition yielding pre-development high visibility image after radiation exposure comprising acid free novolak, diazo oxide and acid sensitive dyestuff
POLYCHROME CORP22 citations81
US4171974AOct 23, 1979
Aqueous alkali developable negative working lithographic printing plates
POLYCHROME CORP20 citations81
US4052275AOct 4, 1977
Process for electrolytic graining of aluminum sheet
POLYCHROME CORP28 citations80
US4233390ANov 11, 1980
Lithographic printing plate having dual photosensitive layering
POLYCHROME CORP21 citations77
US4129486ADec 12, 1978
Ultraviolet curing printing inks having improved shelf life
POLYCHROME CORP26 citations76
US4822861AApr 18, 1989
Method for the preparation of polyvinyl phosphonic acid
POLYCHROME CORP9 citations74
US4758497AJul 19, 1988
Photosensitive naphthoquinone diazide sulfonyl ester compounds for the fabrication of lithographic plates and photosensitive sheet construction with the compounds
POLYCHROME CORP17 citations74
US4418134ANov 29, 1983
Aqueous composition-sensitive photoconductive composition
POLYCHROME CORP6 citations74
US4269680AMay 26, 1981
Curable polymeric composition comprising natural or synthetic rubbers
POLYCHROME CORP13 citations74
US4214965AJul 29, 1980
Polymers and process for their preparation
POLYCHROME CORP18 citations74
US4524125AJun 18, 1985
Chemical etching of lithographic aluminum substrate
POLYCHROME CORP11 citations73
US4483758ANov 20, 1984
Method for making a negative working lithographic printing plate
POLYCHROME CORP7 citations73
US4447512AMay 8, 1984
Method for making a negative working lithographic printing plate
POLYCHROME CORP10 citations73
US4324841AApr 13, 1982
Lithographic substrates
POLYCHROME CORP16 citations73
US4242417ADec 30, 1980
Lithographic substrates
POLYCHROME CORP16 citations73
US4721665AJan 26, 1988
Method for neutralizing acidic novolak resin in a lithographic coating composition
POLYCHROME CORP17 citations72
US4721552AJan 26, 1988
Two-step method for electrolytically graining lithographic metal plates
POLYCHROME CORP15 citations72
US4477317AOct 16, 1984
Aluminum substrates useful for lithographic printing plates
POLYCHROME CORP17 citations72
US4467028AAug 21, 1984
Acid interlayered planographic printing plate
POLYCHROME CORP12 citations72
US4093465AJun 6, 1978
Photosensitive diazo condensate compositions
POLYCHROME CORP8 citations72
US4049504ASep 20, 1977
Method of producing lithographic printing plates
POLYCHROME CORP16 citations72
US4782005ANov 1, 1988
N,N'-diorgano dicarboxamides as oxygen inhibitors in radiation sensitive acrylate compositions
POLYCHROME CORP11 citations71
US4483913ANov 20, 1984
Planographic printing plate
POLYCHROME CORP16 citations71
US4152158AMay 1, 1979
Electrochemically treated photo-lithographic plates
POLYCHROME CORP14 citations71
US4086092AApr 25, 1978
Process for making photosensitive lithographic printing plates involving sequentially coating with potassium zirconium fluoride and sodium silicate
POLYCHROME CORP12 citations71
US4132553AJan 2, 1979
Color proofing guide
POLYCHROME CORP8 citations70
US4090880AMay 23, 1978
Lithographic printing plate and method of making same
POLYCHROME CORP7 citations70
US4545875AOct 8, 1985
Electrolytic graining
POLYCHROME CORP10 citations68
US4379830AApr 12, 1983
Developer for positive photolithographic articles
POLYCHROME CORP8 citations68
US4326018AApr 20, 1982
Lithographic printing plate
POLYCHROME CORP10 citations68
US4548683AOct 22, 1985
Method of electrolytically graining a lithographic plate
POLYCHROME CORP13 citations67
US4299907ANov 10, 1981
Storage stable photosensitive diazo lithographic printing plates
POLYCHROME CORP12 citations67
US4043296AAug 23, 1977
Roll construction for coating apparatus
POLYCHROME CORP10 citations67
US5021324AJun 4, 1991
Printing plate protectant
POLYCHROME CORP9 citations66
US4391894AJul 5, 1983
Colored photosensitive composition
POLYCHROME CORP9 citations66
US4363176ADec 14, 1982
Antibuckling apparatus for lithographic printing plates
POLYCHROME CORP12 citations66
US4102686AJul 25, 1978
Lithographic photosensitive compositions comprising acrylonitrile-butadiene-styrene terpolymer and novolak resin
POLYCHROME CORP10 citations65
US4640884AFeb 3, 1987
Photosensitive compounds and lithographic composition or plate therewith having o-quinone diazide sulfonyl ester group
POLYCHROME CORP3 citations63
Showing the top 50 of 73 patents by PatentIndex Score.