Inventor · disambiguated record
Karl F. Schimmel
Also filed as: ROBLES MARTIN J · SCHIMMEL KARL F
55 granted patents·1,131 citations·filing 1974–2001
99Inventor score
Top patents by PatentIndex Score
55 records- 0197US4927868AHigh solids coating compositions containing a polyepoxide and a copolymer of an alpha-olefin and an olefinically unsaturated monoanhydridePPG INDUSTRIES INC·Filed 1987·Granted May 22, 1990·98 cites·13 claims
- 0295US6197883B1Thermosetting coating compositions containing flow modifiers prepared by controlled radical polymerizationPPG IND OHIO INC·Filed 1999·Granted Mar 6, 2001·103 cites·38 claims
- 0394US4007154ANovel pigment paste for cationic electrodepositionPPG INDUSTRIES INC·Filed 1975·Granted Feb 8, 1977·54 cites·5 claims
- 0492US5182355APolyurethane polyanhydride oligomers and method of preparationPPG INDUSTRIES INC·Filed 1991·Granted Jan 26, 1993·58 cites·15 claims
- 0590US4327008AUrethane rheology modifiers and coating compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Apr 27, 1982·48 cites·44 claims
- 0687US3943080AOrganic flatting agents and method of preparationPPG INDUSTRIES INC·Filed 1974·Granted Mar 9, 1976·31 cites·4 claims
- 0786US4725457AResinous compositions and their formulation into intumescent fire protective compositionsPPG INDUSTRIES INC·Filed 1986·Granted Feb 16, 1988·43 cites·34 claims
- 0885US5739194AHumidity resistant aqueous urethane/acrylic resins and coating compositionsPPG INDUSTRIES INC·Filed 1996·Granted Apr 14, 1998·51 cites·23 claims
- 0985US4339365ACoating compositions containing pigment dispersantsPPG INDUSTRIES INC·Filed 1980·Granted Jul 13, 1982·42 cites·38 claims
- 1082US6288173B1Block copolymersPPG IND OHIO INC·Filed 1999·Granted Sep 11, 2001·43 cites·29 claims
- 1178US4302562APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·26 cites·33 claims
- 1278US4069210APolymeric productsPPG INDUSTRIES INC·Filed 1976·Granted Jan 17, 1978·19 cites·6 claims
- 1375US4614766ACompositions containing resins having air-oxidizable groups and epoxy groups and epoxy-reactive silicon-containing compounds having hydrolyzable groupsPPG INDUSTRIES INC·Filed 1985·Granted Sep 30, 1986·23 cites·25 claims
- 1474US5585427APigment dispersing additive for coating compositionsPPG INDUSTRIES INC·Filed 1994·Granted Dec 17, 1996·32 cites·38 claims
- 1574US5229458APowder coating of particulate thermoset resin and olefin-maleic anhydride copolymerPPG INDUSTRIES INC·Filed 1991·Granted Jul 20, 1993·32 cites·9 claims
- 1673US4186124ANovel pigment grinding vehiclePPG INDUSTRIES INC·Filed 1978·Granted Jan 29, 1980·19 cites·10 claims
- 1772US6326420B1Pigment dispersions containing dispersants prepared by controlled radical polymerizationPPG IND OHIO INC·Filed 1999·Granted Dec 4, 2001·12 cites·26 claims
- 1871US4302561APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·19 cites·33 claims
- 1970US5248562APolyvinyl chloride plastisol composition suitable as a sealantPPG INDUSTRIES INC·Filed 1991·Granted Sep 28, 1993·23 cites·8 claims
- 2070US4410687APolyester dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1982·Granted Oct 18, 1983·22 cites·26 claims
- 2169US4303764APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Dec 1, 1981·17 cites·35 claims
- 2269US4129490APolymeric productsPPG INDUSTRIES INC·Filed 1977·Granted Dec 12, 1978·13 cites·4 claims
- 2368US6583223B2Coating compositions which contain a low surface tension (meth) acrylate containing block copolymer flow control agentPPG IND OHIO INC·Filed 2001·Granted Jun 24, 2003·9 cites·75 claims
- 2467US6284855B1Copolymer of monocarboxylic acid with at least 8C and unsaturated dicarboxylic esterPPG IND OHIO INC·Filed 2000·Granted Sep 4, 2001·6 cites·5 claims
- 2567US4221885AAddition 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
- 2665US4469832AAminoplast curable coating compositions containing polycyclic esters of sulfonic acids as latent acid catalystsPPG INDUSTRIES INC·Filed 1982·Granted Sep 4, 1984·16 cites·20 claims
- 2765US4230552ANovel pigment grinding vehiclePPG INDUSTRIES INC·Filed 1979·Granted Oct 28, 1980·12 cites·5 claims
- 2864US4298511AUrethane rheology modifiers and compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Nov 3, 1981·16 cites·44 claims
- 2962US5166272AEmulsion polymers and coating compositions prepared therefromPPG INDUSTRIES INC·Filed 1990·Granted Nov 24, 1992·21 cites·20 claims
- 3062US4126596ATwo package polymeric epoxy compositions having improved potlifePPG INDUSTRIES INC·Filed 1977·Granted Nov 21, 1978·16 cites·20 claims
- 3162US4081343AProcess for cationic electrodepositionPPG INDUSTRIES INC·Filed 1976·Granted Mar 28, 1978·10 cites·5 claims
- 3261US6586530B1Low surface tension (meth) acrylate containing block copolymer prepared by controlled radical polymerizationPPG IND OHIO INC·Filed 2001·Granted Jul 1, 2003·5 cites·25 claims
- 3361US4337184AUrethane rheology modifiers substantially free of terminal hydrophobic groups and compositions containing samePPG INDUSTRIES INC·Filed 1980·Granted Jun 29, 1982·13 cites·40 claims
- 3460US4299743ASulfonate-containing polymerPPG INDUSTRIES INC·Filed 1980·Granted Nov 10, 1981·13 cites·26 claims
- 3560US4285849AAmidation reaction products of polyamines and polycarboxyl containing materials and coating compositions containing samePPG INDUSTRIES INC·Filed 1979·Granted Aug 25, 1981·10 cites·31 claims
- 3660US4225480AAddition 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
- 3759US6090894AHydroxy-functional copolymer by reacting epoxy with ≧C8 monocarboxylic acid/dicarboxylic ester copolymerPPG IND OHIO INC·Filed 1998·Granted Jul 18, 2000·11 cites·9 claims
- 3859US4302560APigment dispersants for coating compositionsPPG INDUSTRIES INC·Filed 1980·Granted Nov 24, 1981·15 cites·39 claims
- 3958US5612416AUnsaturated hydroxy diester copolymers and their use in coating compositionsPPG INDUSTRIES INC·Filed 1995·Granted Mar 18, 1997·17 cites·12 claims
- 4058US4373083AProcess of making urethane rheology modifiersPPG INDUSTRIES INC·Filed 1980·Granted Feb 8, 1983·12 cites·15 claims
- 4155US5891960ACoating compositions with citric acid containing polymers for enhanced adhesion to substratesPPG INDUSTRIES INC·Filed 1997·Granted Apr 6, 1999·16 cites·11 claims
- 4253US6096813AN-acyl amino acid compositions and their use as adhesion promotersPPG IND OHIO INC·Filed 1997·Granted Aug 1, 2000·11 cites·16 claims
- 4353US5059655APolyurethane polyanhydride oligomers and method of preparationPPG INDUSTRIES INC·Filed 1990·Granted Oct 22, 1991·8 cites·9 claims
- 4452US4104230ATwo-package polymeric compositionsPPG INDUSTRIES INC·Filed 1977·Granted Aug 1, 1978·11 cites·13 claims
- 4549US4020050AMethod of preparing polymer from dianhydride and hydrazine or dihydrazidePPG INDUSTRIES INC·Filed 1974·Granted Apr 26, 1977·6 cites·1 claims
- 4648US4482691AAir-drying fatty acid-modified acrylic resinsPPG INDUSTRIES INC·Filed 1983·Granted Nov 13, 1984·7 cites·15 claims
- 4743US4684710AHalf-amide reaction products of dioxalates and amino group containing materialsPPG INDUSTRIES INC·Filed 1986·Granted Aug 4, 1987·7 cites·9 claims
- 4836US4089846APolysalts of acid-ester compounds with hydrazine or hydrazides and method of preparing heterocyclic polymers from said polysaltsPPG INDUSTRIES INC·Filed 1975·Granted May 16, 1978·2 cites·3 claims
- 4934US4097651ASubstrates coated with end and intermediate reaction products of a dianhydride and a hydrazine or hydrazidePPG INDUSTRIES INC·Filed 1976·Granted Jun 27, 1978·2 cites·14 claims
- 5033US4075240APolysalts of polycarboxylic acid esters and hydrazine or hydrazidesPPG INDUSTRIES INC·Filed 1975·Granted Feb 21, 1978·1 cites·6 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →