Inventor · disambiguated record
Werner Frass
Also filed as: FRASS WERNER
31 granted patents·578 citations·filing 1976–1997
97Inventor score
Top patents by PatentIndex Score
31 records- 0195US4458005APolyvinylmethylphosphinic acid, process for its manufacture and useHOECHST AG·Filed 1982·Granted Jul 3, 1984·86 cites·11 claims
- 0292US5114832APhotopolymerizable mixture and recording material prepared therefrom, having a photoinitiating set of compounds which give increased absorption below 450 nmHOECHST AG·Filed 1989·Granted May 19, 1992·68 cites·15 claims
- 0389US4427765AHydrophilic coating of salt-type phosphorus or sulfur polymer on aluminum support materials for offset printing plates and process for manufacture and use with light sensitive layer thereonHOECHST AG·Filed 1982·Granted Jan 24, 1984·48 cites·6 claims
- 0485US4983498APhotopolymerizable mixture and recording material produced therefromHOECHST AG·Filed 1988·Granted Jan 8, 1991·40 cites·19 claims
- 0583US4387151ALight-curable mixture and light-sensitive copying material made therewithHOECHST AG·Filed 1981·Granted Jun 7, 1983·42 cites·10 claims
- 0678US4716098ADeveloper for preparing printing forms and process thereforHOECHST AG·Filed 1985·Granted Dec 29, 1987·33 cites·18 claims
- 0774US4482444AProcess for electrochemically modifying electrochemically roughened aluminum support materials and the use of these materials in the manufacture of offset printing platesHOECHST AG·Filed 1983·Granted Nov 13, 1984·18 cites·10 claims
- 0867US5695903AProcess for developing irradiated radiation-sensitive recording materialsAGFA GEVAERT AG·Filed 1995·Granted Dec 9, 1997·24 cites·21 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
- 1066US5576137AMatted, radiation-sensitive recording material and printing plateAGFA GEVAERT AG·Filed 1994·Granted Nov 19, 1996·20 cites·19 claims
- 1164US5085974APhotopolymerizable mixture, and a recording material produced therefromHOECHST AG·Filed 1988·Granted Feb 4, 1992·24 cites·19 claims
- 1264US4618405AProcess for the electrochemical roughening of aluminum for use as printing plate supports, in an aqueous mixed electrolyteHOECHST AG·Filed 1985·Granted Oct 21, 1986·20 cites·16 claims
- 1359US5900352ADeveloper for irradiated radiation-sensitive recording materialsAGFA GEVAERT AG·Filed 1997·Granted May 4, 1999·12 cites·20 claims
- 1458US5922508APhotopolymerizable recording materialAGFA GEVAERT AG·Filed 1997·Granted Jul 13, 1999·18 cites·20 claims
- 1554US4579811AProcess for developing exposed diazo negative-working reproduction layers using aqueous developer having salt of aromatic carboxylic acid with adjacent group substituentHOECHST AG·Filed 1983·Granted Apr 1, 1986·14 cites·12 claims
- 1647US5077177AProcess for the production of relief forms with a developing solvent comprising phenol etherHOECHST AG·Filed 1990·Granted Dec 31, 1991·7 cites·6 claims
- 1746US5068163ARadiation-sensitive positive working composition and copying materialHOECHST AG·Filed 1989·Granted Nov 26, 1991·7 cites·17 claims
- 1845US4985341APhotopolymerizable mixture, and a recording material produced therefromHOECHST AG·Filed 1988·Granted Jan 15, 1991·7 cites·26 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
- 2044US5043249APhotopolymerizable composition comprising (meth)acrylates with photooxidizable groups and a recording material produced therefromHOECHST AG·Filed 1988·Granted Aug 27, 1991·9 cites·28 claims
- 2143US4987055APhotopolymerizable composition comprising (meth)acrylates with photooxidizable groups, and a recording material produced therefromHOECHST AG·Filed 1988·Granted Jan 22, 1991·6 cites·29 claims
- 2242US4447510AProcess for producing relief copies in light hardenable materials with ultrasonic treatmentHOECHST AG·Filed 1982·Granted May 8, 1984·6 cites·23 claims
- 2341US4834844AProcess for the selective additive correction of voids in copying layersHOECHST AG·Filed 1988·Granted May 30, 1989·8 cites·20 claims
- 2438US4929534APositive-working photosensitive mixture and photolithographic copying material produced therefrom with o-quinone dialide sulfonyl ester and azo couplerHOECHST AG·Filed 1988·Granted May 29, 1990·7 cites·7 claims
- 2537US5116720ADeveloping solvent for layers which are crosslinkable by photopolymerization and process for the production of relief formsHOECHST AG·Filed 1989·Granted May 26, 1992·3 cites·14 claims
- 2636US4101327ALight-sensitive copying compositions and photoinitiators contained thereinHOECHST AG·Filed 1976·Granted Jul 18, 1978·4 cites·13 claims
- 2734US5744272AElectrophotographic recording material for the production of printing platesAGFA GEVAERT AG·Filed 1996·Granted Apr 28, 1998·4 cites·19 claims
- 2833US5705313AProcess for the production of a lithographic printing plate through selective transferAGFA GEVAERT AG·Filed 1995·Granted Jan 6, 1998·2 cites·17 claims
- 2931US5753404APhotosensitive recording material containing negative working diazonium salt layer and discontinuous top layerAGFA GEVAERT AG·Filed 1995·Granted May 19, 1998·2 cites·20 claims
- 3030US4530897AProcess for desensitizing diazo lithographic printing forms using desensitizing solution with light absorbing compoundHOECHST AG·Filed 1983·Granted Jul 23, 1985·4 cites·3 claims
- 3123US5302487ANegative-working photosensitive coating solution containing photohardenable diazo compound, polymeric binder and four component solventHOECHST AG·Filed 1992·Granted Apr 12, 1994·1 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →