Inventor · disambiguated record
Robert P. Kreh
Also filed as: KREH ROBERT P · KREH ROBERT PAUL
23 granted patents·6 pending applications·363 citations·filing 1986–2020
96Inventor score
Files withGRACE W R & CO18UNITED STATES MINERAL PROD CO5US MINERAL PRODUCTS COMPANY3KREH ROBERT PAUL2KREH ROBERT P1
Top patents by PatentIndex Score
29 records- 0195US5130052ACorrosion inhibition with water-soluble rare earth chelatesGRACE W R & CO·Filed 1991·Granted Jul 14, 1992·60 cites·42 claims
- 0292US10259949B2Corrosion resistant spray applied fire resistive materialsUNITED STATES MINERAL PROD CO·Filed 2016·Granted Apr 16, 2019·4 cites·15 claims
- 0389US5022926ACorrosion controlGRACE W R & CO·Filed 1989·Granted Jun 11, 1991·38 cites·30 claims
- 0487US8519024B2Intumescent fireproofing systems and methodsKREH ROBERT PAUL·Filed 2011·Granted Aug 27, 2013·7 cites·23 claims
- 0587US5183590ACorrosion inhibitorsGRACE W R & CO·Filed 1991·Granted Feb 2, 1993·43 cites·11 claims
- 0684US4701245AOxidation of organic compounds using a catalyzed cerium (IV) compositionGRACE W R & CO·Filed 1986·Granted Oct 20, 1987·19 cites·31 claims
- 0782US4670108AOxidation of organic compounds using ceric methanesulfonate in an aqueous organic solutionGRACE W R & CO·Filed 1986·Granted Jun 2, 1987·17 cites·33 claims
- 0880US4639298AOxidation of organic compounds using ceric ions in aqueous methanesulfonic acidGRACE W R & CO·Filed 1986·Granted Jan 27, 1987·24 cites·23 claims
- 0978US4647349AOxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acidGRACE W R & CO·Filed 1986·Granted Mar 3, 1987·21 cites·21 claims
- 1074US4794172ACeric oxidantGRACE W R & CO·Filed 1986·Granted Dec 27, 1988·11 cites·9 claims
- 1172US5183573AMultipurpose scale preventer/removerGRACE W R & CO·Filed 1991·Granted Feb 2, 1993·24 cites·7 claims
- 1269US2020002553A1Method for Applyling Intumescent Mesh CoatingUNITED STATES MINERAL PROD CO·Filed 2019·Application pending·0 cites
- 1359US5344590AMethod for inhibiting corrosion of metals using polytartaric acidsGRACE W R & CO·Filed 1993·Granted Sep 6, 1994·12 cites·12 claims
- 1456US2016168393A1Intumescent CoatingUS MINERAL PRODUCTS COMPANY·Filed 2014·Application pending·0 cites
- 1556US2016168394A1Intumescent Mesh CoatingUS MINERAL PRODUCTS COMPANY·Filed 2015·Application pending·0 cites
- 1653US5223146ADispersion of iron (III) oxides using certain dihydroxaromatic compoundsGRACE W R & CO·Filed 1991·Granted Jun 29, 1993·18 cites·5 claims
- 1753US5183574AMethod of dispersing ironGRACE W R & CO·Filed 1991·Granted Feb 2, 1993·18 cites·6 claims
- 1853US5139702ANaphthylamine polycarboxylic acidsGRACE W R & CO·Filed 1991·Granted Aug 18, 1992·18 cites·20 claims
- 1953US2016168415A1Intumescent Mesh CoatingUS MINERAL PRODUCTS COMPANY·Filed 2014·Application pending·0 cites
- 2050US2020263042A1Intumescent Coating with Reinforcement MeshUNITED STATES MINERAL PROD CO·Filed 2020·Application pending·0 cites
- 2148US5171477ACorrosion inhibition in chelant solutionsGRACE W R & CO·Filed 1991·Granted Dec 15, 1992·15 cites·9 claims
- 2246US9725615B2Water-based epoxy formulations for applied fireproofingUNITED STATES MINERAL PROD CO·Filed 2015·Granted Aug 8, 2017·0 cites·17 claims
- 2346US4692227AOxidation of organic compounds using thallium ionsGRACE W R & CO·Filed 1986·Granted Sep 8, 1987·5 cites·31 claims
- 2446US2013331489A1Intumescent Fireproofing Systems and MethodsKREH ROBERT PAUL·Filed 2013·Application pending·0 cites
- 2545US9725605B2Water-based epoxy formulations for applied fireproofingUNITED STATES MINERAL PROD CO·Filed 2015·Granted Aug 8, 2017·0 cites·11 claims
- 2636US4935205ACorrosion inhibitionGRACE W R & CO·Filed 1988·Granted Jun 19, 1990·4 cites·14 claims
- 2733US5102467ANovel cement additives and hydraulic cement mixes containing themGRACE W R & CO·Filed 1991·Granted Apr 7, 1992·2 cites·8 claims
- 2831US5073339AMethod of inhibiting corrosion and scale formation in aqueous systemsGRACE W R & CO·Filed 1990·Granted Dec 17, 1991·1 cites·18 claims
- 2929US5043099AMono- and di-substituted (diphosphonoalkylamino methyl)-4-hydroxybenzenesulfonic acidKREH ROBERT P·Filed 1990·Granted Aug 27, 1991·2 cites·10 claims
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