Inventor · disambiguated record
Roger M. Christenson
Also filed as: CHRISTENSON ROGER M · JERABEK ROBERT D
45 granted patents·1,008 citations·filing 1974–1986
99Inventor score
Top patents by PatentIndex Score
45 records- 0194US3991216ABeverage containers coated with a water based linerPPG INDUSTRIES INC·Filed 1975·Granted Nov 9, 1976·61 cites·4 claims
- 0293US4289674ABase-solubilized acrylic polymers and aqueous resinous dispersions of acrylic polymers and epoxy resinsPPG INDUSTRIES INC·Filed 1979·Granted Sep 15, 1981·77 cites·20 claims
- 0393US4055607AAcrylic coating compositionsPPG INDUSTRIES INC·Filed 1975·Granted Oct 25, 1977·65 cites·8 claims
- 0490US4327008AUrethane rheology modifiers and coating compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Apr 27, 1982·48 cites·44 claims
- 0586US4638020AAqueous composition comprising a phosphated epoxy and non-self dispersible resinPPG INDUSTRIES INC·Filed 1984·Granted Jan 20, 1987·40 cites·30 claims
- 0685US4339365ACoating compositions containing pigment dispersantsPPG INDUSTRIES INC·Filed 1980·Granted Jul 13, 1982·42 cites·38 claims
- 0785US4252935AEsters of diglycidyl polyethers of hydrogenated phenols and coating compositions containing samePPG INDUSTRIES INC·Filed 1979·Granted Feb 24, 1981·30 cites·17 claims
- 0882US4615779ACationic coating compositions for electrodeposition over rough steelPPG INDUSTRIES INC·Filed 1985·Granted Oct 7, 1986·29 cites·13 claims
- 0982US4454274AAminoplast curable coating compositions containing cycloaliphatic sulfonic acid esters as latent acid catalystsPPG INDUSTRIES INC·Filed 1982·Granted Jun 12, 1984·16 cites·22 claims
- 1082US4198331AResinous coating compositions curable by Michael adduct exchangePPG INDUSTRIES INC·Filed 1978·Granted Apr 15, 1980·28 cites·13 claims
- 1181US4129489APreparation of polymer based powder coatings by ionizing radiationPPG INDUSTRIES INC·Filed 1978·Granted Dec 12, 1978·22 cites·12 claims
- 1279US4591518AAcrylic functional urethane alkyd resin coating compositionsPPG INDUSTRIES INC·Filed 1984·Granted May 27, 1986·26 cites·21 claims
- 1379US4403085APolyurethane crosslinkers, and the process for preparing and using the samePPG INDUSTRIES INC·Filed 1981·Granted Sep 6, 1983·25 cites·21 claims
- 1478US4477618AAminoplast curable coating compositions containing sulfonic acid esters as latent acid catalystsPPG INDUSTRIES INC·Filed 1982·Granted Oct 16, 1984·23 cites·20 claims
- 1578US4302562APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·26 cites·33 claims
- 1678US4248753AMichael adducts of polymeric materials useful in coating applicationsPPG INDUSTRIES INC·Filed 1978·Granted Feb 3, 1981·25 cites·29 claims
- 1777US4153545AMethod for cleaning membrane filterPPG INDUSTRIES INC·Filed 1977·Granted May 8, 1979·28 cites·10 claims
- 1876US4711917ACationic coating compositions for electrodeposition over rough steelPPG INDUSTRIES INC·Filed 1986·Granted Dec 8, 1987·29 cites·9 claims
- 1976US4693846AUrethane-modified rosin estersPPG INDUSTRIES INC·Filed 1986·Granted Sep 15, 1987·22 cites·11 claims
- 2073US4222911APolyester diol extended uralkyd resin and coating compositions containing the samePPG INDUSTRIES INC·Filed 1978·Granted Sep 16, 1980·18 cites·23 claims
- 2171US4302561APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·19 cites·33 claims
- 2271US4029621AReaction products of a polyepoxide with a thiol having a group hydroyzable to carboxyl, and aqueous solubilized productsPPG INDUSTRIES INC·Filed 1976·Granted Jun 14, 1977·16 cites·32 claims
- 2370US4380601AThermosetting catonic acrylic latices and their use in coating compositionsPPG INDUSTRIES INC·Filed 1981·Granted Apr 19, 1983·20 cites·5 claims
- 2469US4303764APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Dec 1, 1981·17 cites·35 claims
- 2569US4260716APolymeric quaternary ammonium hydroxides and their use in coating applicationsPPG INDUSTRIES INC·Filed 1979·Granted Apr 7, 1981·15 cites·9 claims
- 2668US4136025AMethod of cleaning membrane filterPPG INDUSTRIES INC·Filed 1977·Granted Jan 23, 1979·20 cites·7 claims
- 2768US4102863ACationic electrodeposition using aqueous dispersions of quaternary ammonium carbonate-containing polymersPPG INDUSTRIES INC·Filed 1976·Granted Jul 25, 1978·14 cites·4 claims
- 2868US4097438AWater-based liners for beverage containersPPG INDUSTRIES INC·Filed 1974·Granted Jun 27, 1978·12 cites·5 claims
- 2967US4221885AAddition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxidesPPG INDUSTRIES INC·Filed 1978·Granted Sep 9, 1980·12 cites·8 claims
- 3066US4081341AUse of polymeric quaternary ammonium hydroxides in electrodepositionPPG INDUSTRIES INC·Filed 1976·Granted Mar 28, 1978·16 cites·8 claims
- 3166US4065415AWater-based coatings with improved sagging and popping characteristicsPPG INDUSTRIES INC·Filed 1975·Granted Dec 27, 1977·18 cites·12 claims
- 3265US4335829ACoated metal surfaces and method of coating metal surfaces with aqueous resinous dispersions of epoxy resins and acrylic polymersPPG INDUSTRIES INC·Filed 1978·Granted Jun 22, 1982·16 cites·12 claims
- 3364US4298511AUrethane rheology modifiers and compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Nov 3, 1981·16 cites·44 claims
- 3461US4337184AUrethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Jun 29, 1982·13 cites·40 claims
- 3560US4225480AAddition interpolymers having improved stability and two-package compositions comprising such interpolymers and polyepoxidesPPG INDUSTRIES INC·Filed 1978·Granted Sep 30, 1980·13 cites·22 claims
- 3659US4302560APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·15 cites·39 claims
- 3758US4256560ACurable resinous compositions useful in coating applicationsPPG INDUSTRIES INC·Filed 1979·Granted Mar 17, 1981·13 cites·8 claims
- 3857US4316784AProcess for electrodeposition of Michael adducts of polymeric materialsPPG INDUSTRIES INC·Filed 1981·Granted Feb 23, 1982·13 cites·13 claims
- 3957US4065416AWater-based coatings with reduced solvent or water popping and saggingPPG INDUSTRIES INC·Filed 1975·Granted Dec 27, 1977·13 cites·10 claims
- 4051US4530945APigment grinding vehiclePPG INDUSTRIES INC·Filed 1984·Granted Jul 23, 1985·10 cites·13 claims
- 4142US4581111ATreatment of ultrafiltrate by electrodialysisPPG INDUSTRIES INC·Filed 1984·Granted Apr 8, 1986·9 cites·13 claims
- 4240US4560717ACationic electrodepositable compositions containing formaldehyde scavengerPPG INDUSTRIES INC·Filed 1984·Granted Dec 24, 1985·6 cites·14 claims
- 4338US4683266ACompositions thickened through urethane reactionASHLAND OIL INC·Filed 1985·Granted Jul 28, 1987·5 cites·5 claims
- 4438US4605478ACationic electrodepositable compositions containing formaldehyde scavengerPPG INDUSTRIES INC·Filed 1985·Granted Aug 12, 1986·5 cites·11 claims
- 4533US4141810ACationic electrodeposition using aqueous dispersions of quaternary ammonium carbonate-containing polymersPPG INDUSTRIES INC·Filed 1978·Granted Feb 27, 1979·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →