Assignee
POLYCHROME CORP
73 granted patents·1,092 citations·filing 1972–1990
Top patents by PatentIndex Score
73 records- 0194US4350753APositive acting composition yielding pre-development high visibility image after radiation exposure comprising radiation sensitive diazo oxide and haloalkyl-s-triazine with novolak and dyestuffPOLYCHROME CORP·Filed 1981·Granted Sep 21, 1982·80 cites·13 claims
- 0293US4174307ARoom-temperature-radiation-curable polyurethanePOLYCHROME CORP·Filed 1978·Granted Nov 13, 1979·61 cites·10 claims
- 0390US3935080AMethod of producing an aluminum base sheet for a printing platePOLYCHROME CORP·Filed 1974·Granted Jan 27, 1976·39 cites·5 claims
- 0487US4348471APositive acting composition yielding pre-development high visibility image after radiation exposure comprising acid free novolak, diazo oxide and acid sensitive dyestuffPOLYCHROME CORP·Filed 1981·Granted Sep 7, 1982·22 cites·9 claims
- 0587US4347300AImaging peel apart element employing two photohardenable layersPOLYCHROME CORP·Filed 1978·Granted Aug 31, 1982·36 cites·6 claims
- 0687US4072589AProcess for electrolytic graining of aluminum sheetPOLYCHROME CORP·Filed 1977·Granted Feb 7, 1978·38 cites·6 claims
- 0785US4340657ANovel radiation-sensitive articlesPOLYCHROME CORP·Filed 1981·Granted Jul 20, 1982·41 cites·7 claims
- 0885US4104072AWater developable lithographic printing plate having dual photosensitive layeringPOLYCHROME CORP·Filed 1977·Granted Aug 1, 1978·33 cites·20 claims
- 0983US4289838ADiazo-unsaturated monomer light sensitive compositionsPOLYCHROME CORP·Filed 1980·Granted Sep 15, 1981·38 cites·8 claims
- 1080US4305854ARadiation curable pressure sensitive adhesivePOLYCHROME CORP·Filed 1979·Granted Dec 15, 1981·21 cites·14 claims
- 1179US4052275AProcess for electrolytic graining of aluminum sheetPOLYCHROME CORP·Filed 1976·Granted Oct 4, 1977·28 cites·5 claims
- 1277US4179304AFinger nail lacquerPOLYCHROME CORP·Filed 1978·Granted Dec 18, 1979·52 cites·10 claims
- 1375US4191570AProcess for heat treating lithographic printing platesPOLYCHROME CORP·Filed 1978·Granted Mar 4, 1980·31 cites·10 claims
- 1474US4171974AAqueous alkali developable negative working lithographic printing platesPOLYCHROME CORP·Filed 1978·Granted Oct 23, 1979·20 cites·12 claims
- 1574US4049504AMethod of producing lithographic printing platesPOLYCHROME CORP·Filed 1976·Granted Sep 20, 1977·16 cites·10 claims
- 1673US4477317AAluminum substrates useful for lithographic printing platesPOLYCHROME CORP·Filed 1983·Granted Oct 16, 1984·17 cites·5 claims
- 1773US4129486AUltraviolet curing printing inks having improved shelf lifePOLYCHROME CORP·Filed 1978·Granted Dec 12, 1978·26 cites·7 claims
- 1872US4214965APolymers and process for their preparationPOLYCHROME CORP·Filed 1979·Granted Jul 29, 1980·18 cites·15 claims
- 1970US4233390ALithographic printing plate having dual photosensitive layeringPOLYCHROME CORP·Filed 1979·Granted Nov 11, 1980·21 cites·7 claims
- 2066US4721665AMethod for neutralizing acidic novolak resin in a lithographic coating compositionPOLYCHROME CORP·Filed 1986·Granted Jan 26, 1988·17 cites·9 claims
- 2166US4242417ALithographic substratesPOLYCHROME CORP·Filed 1979·Granted Dec 30, 1980·16 cites·17 claims
- 2266US4147545APhotolithographic developing composition with organic lithium compoundPOLYCHROME CORP·Filed 1972·Granted Apr 3, 1979·19 cites·9 claims
- 2364US4721552ATwo-step method for electrolytically graining lithographic metal platesPOLYCHROME CORP·Filed 1987·Granted Jan 26, 1988·15 cites·7 claims
- 2463US4269680ACurable polymeric composition comprising natural or synthetic rubbersPOLYCHROME CORP·Filed 1980·Granted May 26, 1981·13 cites·9 claims
- 2561US4483913APlanographic printing platePOLYCHROME CORP·Filed 1983·Granted Nov 20, 1984·16 cites·7 claims
- 2661US4152158AElectrochemically treated photo-lithographic platesPOLYCHROME CORP·Filed 1977·Granted May 1, 1979·14 cites·6 claims
- 2759US4324841ALithographic substratesPOLYCHROME CORP·Filed 1980·Granted Apr 13, 1982·16 cites·22 claims
- 2857US4758497APhotosensitive naphthoquinone diazide sulfonyl ester compounds for the fabrication of lithographic plates and photosensitive sheet construction with the compoundsPOLYCHROME CORP·Filed 1987·Granted Jul 19, 1988·17 cites·6 claims
- 2957US4086092AProcess for making photosensitive lithographic printing plates involving sequentially coating with potassium zirconium fluoride and sodium silicatePOLYCHROME CORP·Filed 1977·Granted Apr 25, 1978·12 cites·9 claims
- 3056US3943539AVertical plate processorPOLYCHROME CORP·Filed 1974·Granted Mar 9, 1976·15 cites·21 claims
- 3155US4782005AN,N'-diorgano dicarboxamides as oxygen inhibitors in radiation sensitive acrylate compositionsPOLYCHROME CORP·Filed 1988·Granted Nov 1, 1988·11 cites·13 claims
- 3255US4467028AAcid interlayered planographic printing platePOLYCHROME CORP·Filed 1982·Granted Aug 21, 1984·12 cites·13 claims
- 3354US4822861AMethod for the preparation of polyvinyl phosphonic acidPOLYCHROME CORP·Filed 1988·Granted Apr 18, 1989·9 cites·10 claims
- 3454US4559401AProcess for preparing chromophore-substituted vinyl-halomethyl-s-triazinesPOLYCHROME CORP·Filed 1984·Granted Dec 17, 1985·3 cites·5 claims
- 3554US4299907AStorage stable photosensitive diazo lithographic printing platesPOLYCHROME CORP·Filed 1979·Granted Nov 10, 1981·12 cites·3 claims
- 3652US4524125AChemical etching of lithographic aluminum substratePOLYCHROME CORP·Filed 1982·Granted Jun 18, 1985·11 cites·3 claims
- 3752US4447512AMethod for making a negative working lithographic printing platePOLYCHROME CORP·Filed 1982·Granted May 8, 1984·10 cites·18 claims
- 3849US4882261AHigh contrast dot enhancing compositions and photographic products and methods for their usePOLYCHROME CORP·Filed 1988·Granted Nov 21, 1989·5 cites·18 claims
- 3949US4043296ARoll construction for coating apparatusPOLYCHROME CORP·Filed 1976·Granted Aug 23, 1977·10 cites·5 claims
- 4048US4548683AMethod of electrolytically graining a lithographic platePOLYCHROME CORP·Filed 1984·Granted Oct 22, 1985·13 cites·7 claims
- 4148US4545875AElectrolytic grainingPOLYCHROME CORP·Filed 1984·Granted Oct 8, 1985·10 cites·5 claims
- 4248US4363176AAntibuckling apparatus for lithographic printing platesPOLYCHROME CORP·Filed 1981·Granted Dec 14, 1982·12 cites·19 claims
- 4347US5021324APrinting plate protectantPOLYCHROME CORP·Filed 1990·Granted Jun 4, 1991·9 cites·20 claims
- 4447US4418134AAqueous composition-sensitive photoconductive compositionPOLYCHROME CORP·Filed 1983·Granted Nov 29, 1983·6 cites·11 claims
- 4547US4391894AColored photosensitive compositionPOLYCHROME CORP·Filed 1981·Granted Jul 5, 1983·9 cites·9 claims
- 4647US4326018ALithographic printing platePOLYCHROME CORP·Filed 1980·Granted Apr 20, 1982·10 cites·14 claims
- 4747US4093465APhotosensitive diazo condensate compositionsPOLYCHROME CORP·Filed 1975·Granted Jun 6, 1978·8 cites·2 claims
- 4845US4735696AMethod of electrolytically graining aluminum metal sheets suitable for lithographic plate supportsPOLYCHROME CORP·Filed 1987·Granted Apr 5, 1988·5 cites·8 claims
- 4945US4483758AMethod for making a negative working lithographic printing platePOLYCHROME CORP·Filed 1984·Granted Nov 20, 1984·7 cites·7 claims
- 5045US4132553AColor proofing guidePOLYCHROME CORP·Filed 1977·Granted Jan 2, 1979·8 cites·3 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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