RK

Robert P. Kreh

WC W.R. Grace & Co.-Conn.: 13 patents #43 of 1,045Top 5%
W& W. R. Grace &: 5 patents #32 of 433Top 8%
UP United States Mineral Products: 4 patents #1 of 2Top 50%
📍 Middle River, MD: #2 of 30 inventorsTop 7%
🗺 Maryland: #976 of 35,612 inventorsTop 3%
Overall (All Time): #184,039 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10259949 Corrosion resistant spray applied fire resistive materials Qinghua Li 2019-04-16
9725605 Water-based epoxy formulations for applied fireproofing 2017-08-08
9725615 Water-based epoxy formulations for applied fireproofing 2017-08-08
8519024 Intumescent fireproofing systems and methods 2013-08-27
5344590 Method for inhibiting corrosion of metals using polytartaric acids Charles G. Carter, Lai-Duien Grace Fan, Joseph C. Fan, Vladimir Jovancicevic 1994-09-06
5223146 Dispersion of iron (III) oxides using certain dihydroxaromatic compounds 1993-06-29
5183573 Multipurpose scale preventer/remover Wayne L. Henry 1993-02-02
5183574 Method of dispersing iron Chih M. Hwa, John A. Kelly, Wun Ten Tai, Lai-Duien Grace Fan, Brian Greaves 1993-02-02
5183590 Corrosion inhibitors Charles G. Carter, Vladimir Jovancicevic, Judith A. Hartman 1993-02-02
5171477 Corrosion inhibition in chelant solutions 1992-12-15
5139702 Naphthylamine polycarboxylic acids Charles G. Carter, Lai-Duien Grace Fan 1992-08-18
5130052 Corrosion inhibition with water-soluble rare earth chelates Vincent Kuhn, John Richardson, Robert M. Spotnitz, Charles G. Carter, Vladimir Jovancicevic 1992-07-14
5102467 Novel cement additives and hydraulic cement mixes containing them Ellis Gartner 1992-04-07
5073339 Method of inhibiting corrosion and scale formation in aqueous systems 1991-12-17
5043099 Mono- and di-substituted (diphosphonoalkylamino methyl)-4-hydroxybenzenesulfonic acid Charles G. Carter 1991-08-27
5022926 Corrosion control Joseph T. Lundquist, Wayne L. Henry, John A. Kelly, Vincent Kuhn 1991-06-11
4935205 Corrosion inhibition Joseph T. Lundquist, Wayne L. Henry 1990-06-19
4794172 Ceric oxidant 1988-12-27
4701245 Oxidation of organic compounds using a catalyzed cerium (IV) composition 1987-10-20
4692227 Oxidation of organic compounds using thallium ions Robert M. Spotnitz 1987-09-08
4670108 Oxidation of organic compounds using ceric methanesulfonate in an aqueous organic solution Robert M. Spotnitz 1987-06-02
4647349 Oxidation of organic compounds using ceric ions in aqueous trifluoromethanesulfonic acid Robert M. Spotnitz 1987-03-03
4639298 Oxidation of organic compounds using ceric ions in aqueous methanesulfonic acid Robert M. Spotnitz 1987-01-27