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USPTO Patent Rankings Data through Dec 31, 2025
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David C. DeCoster — 35 Patents

RPRpc: 20 patents #3 of 16Top 20%
TRTwenty-First Century Research: 8 patents #3 of 6Top 50%
UOUop: 3 patents #720 of 1,854Top 40%
Dow Global Technologies: 2 patents #1,896 of 4,534Top 45%
SPSaint-Gobain Performance Plastics: 1 patents #261 of 490Top 55%
Rohm And Haas: 1 patents #1,282 of 2,359Top 55%
CICargill, Incorporated: 1 patents #485 of 917Top 55%
University of Michigan: 1 patents #1,906 of 4,352Top 45%
Lyons, CO: #4 of 145 inventorsTop 3%
Colorado: #828 of 40,980 inventorsTop 3%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
David C. DeCoster has been granted 35 US patents while listed as an inventor at Rpc. The first was granted in 1981 and the most recent in July 2017. David C. DeCoster ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list David C. DeCoster in Lyons, CO, US.

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9701610 Ammonium bisulfate catalyzed dehydration of beta-hydroxy acids Leonard Edward Bogan, Jr., Mark A. Silvano, Raymond P. Roach, Sarah M. Hoyt, Robert Tengler +4 more 2017-07-11 $14,705,000
9512057 3-hydroxypropionic acid compositions Cindy Hoppe, Sarah M. Hoyt, Robert Tengler, Bradley Harkrader, Patrick H. Au-Yeung +4 more 2016-12-06
8309645 Thermally stable composite material formed of polyimide Gwo S. Swei, Ilya L. Rushkin, Pawel Czubarow, David Worth House, Olivier Guiselin 2012-11-13
6433221 Methods of separating catalyst in solution from a reaction mixture produced by oxidation of cyclohexane to adipic acid Ader M. Rostami, Douglas J. Dudgeon, Mark W. Dassel, Eustathios Vassiliou 2002-08-13 $2,031,000
6433220 Methods of extracting catalyst from a reaction mixture in the oxidation of cyclohexane to adipic acid Douglas J. Dudgeon, Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami 2002-08-13 $2,031,000
6417128 Methods and replacing water and cyclohexanone with acetic acid in aqueous solutions of catalyst Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami, Douglas J. Dudgeon 2002-07-09 $5,059,000
6359173 Methods and devices for oxidizing a hydrocarbon to form an acid Sharon M. Aldrich, Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami 2002-03-19 $4,317,000
6337051 Device for detecting formation of a second liquid phase Ader M. Rostami, Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich 2002-01-08 $5,331,000
6326455 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, Douglas J. Dudgeon 2001-12-04 $4,959,000
6294689 Methods for removing catalyst after oxidation of hydrocarbons Mark W. Dassel, Ader M. Rostami, Eustathios Vassiliou 2001-09-25 $4,362,000
6288270 Methods for controlling the reaction rate of a hydrocarbon to an acid by making phase-related adjustments Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami, Sharon M. Aldrich 2001-09-11
6288274 Methods and devices for controlling the reaction rate and/or reactivity of hydrocarbon to an intermediate oxidation product by adjusting the oxidant consumption rate Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich, Ader M. Rostami 2001-09-11
6232495 Methods for treating cobalt catalyst in oxidation mixtures resulting from oxidation of hydrocarbons to dibasic acids Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, Douglas J. Dudgeon 2001-05-15 $4,779,000
6218573 Methods of recovering catalyst in solution in the oxidation of cyclohexane to adipic acid Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, Douglas J. Dudgeon 2001-04-17 $4,520,000
6183698 Devices for controlling the reaction rate of a hydrocarbon to an intermediate oxidation product by pressure drop adjustments Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami, Sharon M. Aldrich 2001-02-06 $5,080,000
6177053 Devices for removing acetic acid from cyclohexane in the production of adipic acid Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami 2001-01-23 $5,074,000
6156868 Methods for preparing polymers from dibasic acids Mark W. Dassel, Ader M. Rostami, Sharon M. Aldrich, Eustathios Vassiliou 2000-12-05 $5,013,000
6143927 Methods for removing catalyst after oxidation of hydrocarbons Mark W. Dassel, Ader M. Rostami, Eustathios Vassiliou 2000-11-07 $4,612,000
6129875 Process of separating catalyst from oxidation mixtures Mark W. Dassel, Ader M. Rostami, Douglas J. Dudgeon, Eustathios Vassiliou 2000-10-10 $4,196,000
6103933 Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator Ader M. Rostami, Mark W. Dassel, Eustathios Vassiliou 2000-08-15 $3,630,000
6039902 Methods of recycling catalyst in oxidations of hydrocarbons Ader M. Rostami, Eustathios Vassiliou, Mark W. Dassel 2000-03-21 $3,205,000
6037491 Methods and devices for controlling hydrocarbon oxidations to respective acids by adjusting the solvent to hydrocarbon ratio Eustathios Vassiliou, Mark W. Dassel, Sharon M. Aldrich, Ader M. Rostami 2000-03-14 $3,244,000
5998572 Methods and devices for controlling the oxidation of a hydrocarbon to an acid by regulating temperature/conversion relationship in multi-stage arrangements Ader M. Rostami, Mark W. Dassel, Eustathios Vassiliou 1999-12-07 $1,738,000
5980801 Methods of preparing an intermediate oxidation product from a hydrocarbon by utilizing an activated initiator Mark W. Dassel, Eustathios Vassiliou, Ader M. Rostami 1999-11-09
5929277 Methods of removing acetic acid from cyclohexane in the production of adipic acid Eustathios Vassiliou, Mark W. Dassel, Ader M. Rostami 1999-07-27