Inventor · disambiguated record
Engelbert Pliefke
Also filed as: PLIEFKE ENGELBERT
27 granted patents·1 pending application·406 citations·filing 1982–2002
97Inventor score
Top patents by PatentIndex Score
28 records- 0193US6238838B1Radiation-sensitive mixture comprising IR-absorbing, anionic cyanine dyes and recording material prepared therewithAGFA GEVAERT·Filed 1999·Granted May 29, 2001·61 cites·18 claims
- 0287US4492616AProcess for treating aluminum oxide layers and use in the manufacture of offset-printing platesHOECHST AG·Filed 1983·Granted Jan 8, 1985·29 cites·6 claims
- 0379US4840713AProcess for the electrochemical roughening of aluminum for use in printing plate supportsHOECHST AG·Filed 1988·Granted Jun 20, 1989·32 cites·11 claims
- 0478US5156723AProcess for electrochemical roughening of aluminum for printing plate supportsHOECHST AG·Filed 1991·Granted Oct 20, 1992·41 cites·40 claims
- 0572US4482434AProcess for electrochemically roughening aluminum for printing plate supportsHOECHST AG·Filed 1983·Granted Nov 13, 1984·22 cites·19 claims
- 0671US4468295AProcess for electrochemically roughening aluminum for printing plate supportsHOECHST AG·Filed 1983·Granted Aug 28, 1984·15 cites·18 claims
- 0767US5262244AHydrophilic copolymers and their use in reprographyHOECHST AG·Filed 1993·Granted Nov 16, 1993·18 cites·21 claims
- 0867US4671859AProcess for the electrochemical graining of aluminum for use as printing plate supportsHOECHST AG·Filed 1986·Granted Jun 9, 1987·21 cites·20 claims
- 0966US5967047AThermal process for applying hydrophilic layers to hydrophobic substrates for offset printing platesAGFA GEVAERT AG·Filed 1994·Granted Oct 19, 1999·27 cites·26 claims
- 1060US5178963AHydrophilic copolymers and their use in reprographyHOECHST AG·Filed 1991·Granted Jan 12, 1993·13 cites·16 claims
- 1159US4661219AProcess for the electrochemical roughening of aluminum for use in printing plate supportsHOECHST AG·Filed 1986·Granted Apr 28, 1987·16 cites·14 claims
- 1255US4840709ASingle-stage electrochemical image-forming process for reproduction layersHOECHST AG·Filed 1988·Granted Jun 20, 1989·8 cites·22 claims
- 1354US4566958AProcess for electrochemical roughening of aluminum useful for printing plate supports, in an aqueous mixed electrolyteHOECHST AG·Filed 1985·Granted Jan 28, 1986·13 cites·2 claims
- 1452US5178961AThermally crosslinkable hydrophilic copolymers and their use in reprographyHOECHST AG·Filed 1991·Granted Jan 12, 1993·9 cites·24 claims
- 1550US4786381AProcess for electrochemically modifying support materials of aluminum or aluminum alloys, which have been grained in a multi-stage process and use of these materials in the manufacture of offset-printing platesHOECHST AG·Filed 1987·Granted Nov 22, 1988·13 cites·24 claims
- 1649US4666576AProcess for the electrochemical roughening of aluminum for use in printing plate supportsHOECHST AG·Filed 1986·Granted May 19, 1987·10 cites·20 claims
- 1747US4549944AElectrochemical developing process for reproduction layersHOECHST AG·Filed 1982·Granted Oct 29, 1985·8 cites·20 claims
- 1846US6936404B2Radiation-sensitive recording material having a structured backAGFA GEVAERT·Filed 2001·Granted Aug 30, 2005·2 cites·20 claims
- 1945US4725526AProcess for reducing halations using lubricant in the course of irradiating and developing reproduction layers used for preparing printing platesHOECHST AG·Filed 1985·Granted Feb 16, 1988·7 cites·8 claims
- 2044US4619742AProcess for the simultaneous graining and chromium-plating of steel plates as supports for lithographic applicationsHOECHST AG·Filed 1985·Granted Oct 28, 1986·9 cites·14 claims
- 2142US5302460ASupport material for offset-printing plates in the form of a sheet, a foil or a web process for its production and offset-printing plate comprising said materialHOECHST AG·Filed 1991·Granted Apr 12, 1994·8 cites·31 claims
- 2241US4834844AProcess for the selective additive correction of voids in copying layersHOECHST AG·Filed 1988·Granted May 30, 1989·8 cites·20 claims
- 2337US2003022004A1Dummy plate for offset printingFiled 2002·Application pending·0 cites
- 2436US4824535AProcess for the electrochemical graining of aluminum for use in printing plate supportsHOECHST AG·Filed 1987·Granted Apr 25, 1989·4 cites·18 claims
- 2536US4614570ASingle-stage electrochemical image-forming process for reproduction layersHOECHST AG·Filed 1985·Granted Sep 30, 1986·5 cites·14 claims
- 2633US4614571AProcess for electrochemically graining steel plates used as offset printing plate supports, and an electrolyte solution suitable for the processHOECHST AG·Filed 1985·Granted Sep 30, 1986·3 cites·18 claims
- 2730US5219664AHydrophilic copolymers and their use in reprographyHOECHST AG·Filed 1991·Granted Jun 15, 1993·2 cites·13 claims
- 2830US4684594AElectrophotographic process for preparing printing forms using alkaline decoater solutionHOECHST AG·Filed 1986·Granted Aug 4, 1987·2 cites·13 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →