Inventor · disambiguated record
Dev D. Suresh
Also filed as: GRASSELLI ROBERT K · HARDMAN HARLEY F · MILLER ARTHUR F · SURESH DEV D
62 granted patents·1 pending application·1,383 citations·filing 1973–2005
99Inventor score
Top patents by PatentIndex Score
63 records- 0197US4424141AProcess for producing an oxide complex catalyst containing molybdenum and one of bismuth and telluriumSTANDARD OIL CO OHIO·Filed 1981·Granted Jan 3, 1984·71 cites·10 claims
- 0297US4148757AProcess for forming multi-component oxide complex catalystsSTANDARD OIL CO OHIO·Filed 1977·Granted Apr 10, 1979·100 cites·13 claims
- 0396US4162234AOxidation catalystsSTANDARD OIL CO OHIO·Filed 1977·Granted Jul 24, 1979·77 cites·21 claims
- 0495US4001317AProcess for the oxidation of olefins using catalysts containing various promoter elementsSTANDARD OIL CO·Filed 1974·Granted Jan 4, 1977·65 cites·5 claims
- 0594US4212766AProcess for forming multi-component oxide complex catalystsSTANDARD OIL CO OHIO·Filed 1978·Granted Jul 15, 1980·67 cites·11 claims
- 0692US5093299ACatalyst for process for the manufacture of acrylonitrile and methacrylonitrileSTANDARD OIL CO OHIO·Filed 1990·Granted Mar 3, 1992·81 cites·4 claims
- 0789US5212137ACatalyst for the manufacture of acrylonitrile and methacrylonitrileSTANDARD OIL CO·Filed 1991·Granted May 18, 1993·63 cites·4 claims
- 0889US4603207AConversion of a mixture of 3-methylpyridine and 3-methylpiperidine to 3-cyanopyridineSTANDARD OIL CO OHIO·Filed 1985·Granted Jul 29, 1986·27 cites·7 claims
- 0988US5288473AProcess for elimination of waste material during manufacture of acrylonitrileSTANDARD OIL CO OHIO·Filed 1992·Granted Feb 22, 1994·38 cites·21 claims
- 1087US4760159AMethod for ammoxidation of paraffins and catalyst thereforSTANDARD OIL CO OHIO·Filed 1987·Granted Jul 26, 1988·25 cites·7 claims
- 1186US6204407B1Ammoxidation of a mixture of alcohols to a mixture of nitriles to acetonitrile and HCNSTANDARD OIL CO·Filed 2000·Granted Mar 20, 2001·18 cites·21 claims
- 1286US5466652AProcess for the preparation of vinyl acetate catalystSTANDARD OIL CO OHIO·Filed 1994·Granted Nov 14, 1995·48 cites·12 claims
- 1386US4766232AProduction of unsaturated nitriles using catalysts containing boron, gallium or indiumSTANDARD OIL CO OHIO·Filed 1984·Granted Aug 23, 1988·33 cites·2 claims
- 1486US4052418APreparation of maleic anhydride from four-carbon hydrocarbonsSTANDARD OIL CO OHIO·Filed 1975·Granted Oct 4, 1977·18 cites·9 claims
- 1585US6458742B1Catalyst for the manufacture of acrylonitrileSTANDARD OIL CO·Filed 2000·Granted Oct 1, 2002·21 cites·4 claims
- 1684US4190608AProcess for the oxidation of olefins using catalysts containing various promoter elementsSTANDARD OIL CO OHIO·Filed 1976·Granted Feb 26, 1980·33 cites·10 claims
- 1782US6965046B2Catalyst for the manufacture of acrylonitrileSTANDARD OIL CO·Filed 2002·Granted Nov 15, 2005·10 cites·8 claims
- 1881US4377534AProduction of unsaturated nitrilesSTANDARD OIL CO OHIO·Filed 1981·Granted Mar 22, 1983·32 cites·1 claims
- 1981US4309361AAmmoxidation of olefins with novel antimonate catalystsSTANDARD OIL CO·Filed 1979·Granted Jan 5, 1982·30 cites·9 claims
- 2080US4065468AManufacture of maleic anhydride from butaneSTANDARD OIL CO·Filed 1976·Granted Dec 27, 1977·26 cites·11 claims
- 2179US4397771AOxidation catalystsSTANDARD OIL CO OHIO·Filed 1981·Granted Aug 9, 1983·29 cites·7 claims
- 2277US4495109AProduction of unsaturated nitriles using catalysts promoted with various metalsSTANDARD OIL CO OHIO·Filed 1983·Granted Jan 22, 1985·12 cites·3 claims
- 2375US5840648ACatalyst for the manufacture of acrylonitrile and hydrogen cyanideSTANDARD OIL CO OHIO·Filed 1997·Granted Nov 24, 1998·31 cites·18 claims
- 2475US5258543AMethod for ammoxidation of olefinsSTANDARD OIL CO OHIO·Filed 1992·Granted Nov 2, 1993·34 cites·11 claims
- 2574US4290920ASb-containing catalysts by Sb-oxide impregnationSTANDARD OIL CO OHIO·Filed 1979·Granted Sep 22, 1981·19 cites·17 claims
- 2674US3956378AProcess for the manufacture of unsaturated aldehydes and acids from the corresponding olefinsSTANDARD OIL CO OHIO·Filed 1973·Granted May 11, 1976·24 cites·3 claims
- 2773US4413155AAmmoxidation of olefins with novel antimonate catalystsSTANDARD OIL CO OHIO·Filed 1981·Granted Nov 1, 1983·11 cites·5 claims
- 2870US4190556AProduction of unsaturated nitriles using catalysts promoted with various metalsSTANDARD OIL CO OHIO·Filed 1977·Granted Feb 26, 1980·15 cites·9 claims
- 2969US5457223AProcess for elimination of waste material during manufacture of acrylonitrileSTANDARD OIL CO OHIO·Filed 1993·Granted Oct 10, 1995·12 cites·31 claims
- 3069US4746753APreparation of acrylonitrile from propylene, oxygen and ammonia in the presence of an alkali metal promoted bismuth, cerium, molybdenum, tungsten catalystSTANDARD OIL CO OHIO·Filed 1986·Granted May 24, 1988·22 cites·3 claims
- 3167US5770757AAmmoxidation catalysts containing germanium to produce high yields of acrylonitrileSTANDARD OIL CO OHIO·Filed 1996·Granted Jun 23, 1998·10 cites·8 claims
- 3267US4139552AProduction of unsaturated nitrilesSTANDARD OIL CO OHIO·Filed 1974·Granted Feb 13, 1979·16 cites·11 claims
- 3366US5175334AProcess for the manufacture of acrylonitrile and methacrylonitrileSTANDARD OIL CO OHIO·Filed 1991·Granted Dec 29, 1992·24 cites·13 claims
- 3466US4876348AProcess for making 3-cyanopyridineSTANDARD OIL CO OHIO·Filed 1985·Granted Oct 24, 1989·7 cites·6 claims
- 3566US4855275ACatalyst performance improvement via separate boron additionSTANDARD OIL CO OHIO·Filed 1988·Granted Aug 8, 1989·20 cites·12 claims
- 3664US5066809APreparation of 3-methylpyridine from 2-methylglutaronitrileSTANDARD OIL CO OHIO·Filed 1990·Granted Nov 19, 1991·10 cites·7 claims
- 3763US5204079AHCN by catalytic ammoxidation of crude acetonitrileSTANDARD OIL CO·Filed 1991·Granted Apr 20, 1993·14 cites·17 claims
- 3862US4213917AEsterification of aromatic aldehydesSTANDARD OIL CO OHIO·Filed 1978·Granted Jul 22, 1980·5 cites·32 claims
- 3961US4414134AImpregnating catalystsSTANDARD OIL CO OHIO·Filed 1981·Granted Nov 8, 1983·15 cites·8 claims
- 4060US6667020B2Ammoxidation of a mixture of ketones to acetonitrile and HCNSTANDARD OIL CO·Filed 2001·Granted Dec 23, 2003·1 cites·26 claims
- 4160US6268529B1Method for the manufacture of acrylic acidSTANDARD OIL CO·Filed 1998·Granted Jul 31, 2001·7 cites·7 claims
- 4259US5821192AMethod of improving the attrition resistance of V/SB oxide based catalystSTANDARD OIL CO OHIO·Filed 1996·Granted Oct 13, 1998·22 cites·5 claims
- 4359US4379925ALiquid phase ammoxidation of cyclohexanone and/or cyclohexanolSTANDARD OIL CO OHIO·Filed 1980·Granted Apr 12, 1983·5 cites·2 claims
- 4459US4293443AOxidation catalystsSTANDARD OIL CO·Filed 1979·Granted Oct 6, 1981·4 cites·10 claims
- 4558US5688739AAmmoxidation catalysts containing germanium to produce high yields of acrylonitrileSTANDARD OIL CO OHIO·Filed 1996·Granted Nov 18, 1997·19 cites·12 claims
- 4658US4166190AProcess for the preparation of methacrylic acid from methacroleinSTANDARD OIL CO OHIO·Filed 1976·Granted Aug 28, 1979·12 cites·8 claims
- 4757US4532083AMultiply promoted Sn/Sb oxide catalystsSTANDARD OIL CO OHIO·Filed 1982·Granted Jul 30, 1985·5 cites·18 claims
- 4855US5877108APerformance of used molybdenum based catalysts by the addition of ammonium dimolybdateSTANDARD OIL CO OHIO·Filed 1997·Granted Mar 2, 1999·16 cites·3 claims
- 4955US4339394AProcess of ammoxidation of olefins in the presence of multiply promoted Sn-Sb oxide catalystsSTANDARD OIL CO OHIO·Filed 1980·Granted Jul 13, 1982·9 cites·3 claims
- 5055US4234461AOxidation catalystsSTANDARD OIL CO OHIO·Filed 1978·Granted Nov 18, 1980·10 cites·3 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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