Inventor · disambiguated record
Leonard A. Cullo
Also filed as: CULLO LEONARD A
32 granted patents·585 citations·filing 1974–1996
97Inventor score
Files withARISTECH CHEMICAL CORP28HARSHAW CHEM CORP2ARISTECH CHEMICAL CORPORTION1UNITED STATES STEEL CORP1
Top patents by PatentIndex Score
32 records- 0195US5399329AHydrotalcite-like materials having a sheet-like morphology and process for production thereofARISTECH CHEMICAL CORP·Filed 1993·Granted Mar 21, 1995·108 cites·23 claims
- 0293US5153156AProcess for making efficient anionic clay catalyst, catalysts made thereby, and method of making isophoroneARISTECH CHEMICAL CORP·Filed 1991·Granted Oct 6, 1992·48 cites·10 claims
- 0392US3962140ANickel-copper-molybdenum methanation catalystHARSHAW CHEM CORP·Filed 1975·Granted Jun 8, 1976·31 cites·3 claims
- 0490US5087781AMethod of making mesityleneARISTECH CHEMICAL CORP·Filed 1991·Granted Feb 11, 1992·34 cites·5 claims
- 0589US4623530ACrystalline magnesia-silica composites and process for producing sameUNITED STATES STEEL CORP·Filed 1985·Granted Nov 18, 1986·30 cites·8 claims
- 0687US5507980ABasic inorganic bindersARISTECH CHEMICAL CORP·Filed 1995·Granted Apr 16, 1996·58 cites·18 claims
- 0783US5532417AManufacture of neopentyl glycol (IV)ARISTECH CHEMICAL CORP·Filed 1993·Granted Jul 2, 1996·22 cites·13 claims
- 0882US4721827ACrystalline magnesia-silica composites and process for producing sameARISTECH CHEMICAL CORPORTION·Filed 1986·Granted Jan 26, 1988·48 cites·6 claims
- 0977US5518704ANickel and cobalt containing hydrotalcite-like materials having a sheet-like morphology and process for production thereofARISTECH CHEMICAL CORP·Filed 1995·Granted May 21, 1996·34 cites·23 claims
- 1077US5146012AManufacture of neopentyl glycol (III)ARISTECH CHEMICAL CORP·Filed 1991·Granted Sep 8, 1992·15 cites·12 claims
- 1170US4996385AUse of silica-titania hydrocarbon conversion catalyst in hydrocarbon conversion processesARISTECH CHEMICAL CORP·Filed 1989·Granted Feb 26, 1991·10 cites·3 claims
- 1270US4705770AMethod of making anatase-titania attrition-resistant catalyst compositionARISTECH CHEMICAL CORP·Filed 1986·Granted Nov 10, 1987·20 cites·6 claims
- 1369US5763690AManufacture of trimethylolpropaneARISTECH CHEMICAL CORP·Filed 1996·Granted Jun 9, 1998·11 cites·13 claims
- 1465US4814531ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1987·Granted Mar 21, 1989·7 cites·4 claims
- 1562US4906793ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1988·Granted Mar 6, 1990·7 cites·1 claims
- 1660US5248737AMethod of making amine/propylene copolymersARISTECH CHEMICAL CORP·Filed 1992·Granted Sep 28, 1993·16 cites·16 claims
- 1760US5202496AMethod of making isophorneARISTECH CHEMICAL CORP·Filed 1992·Granted Apr 13, 1993·19 cites·3 claims
- 1858US4711869ASilica-titania hydrocarbon conversion catalystARISTECH CHEMICAL CORP·Filed 1985·Granted Dec 8, 1987·10 cites·10 claims
- 1949US4962272ATreatment of arsine removal catalystsARISTECH CHEMICAL CORP·Filed 1989·Granted Oct 9, 1990·10 cites·21 claims
- 2044US5367090AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1993·Granted Nov 22, 1994·5 cites·2 claims
- 2143US5296562AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1993·Granted Mar 22, 1994·5 cites·10 claims
- 2243US5214210ACatalyst and process for making aniline from phenolARISTECH CHEMICAL CORP·Filed 1991·Granted May 25, 1993·2 cites·7 claims
- 2343US3966640ASupported cobalt sulfate desulfurization catalystHARSHAW CHEM CORP·Filed 1974·Granted Jun 29, 1976·9 cites·10 claims
- 2442US5294679AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1993·Granted Mar 15, 1994·4 cites·8 claims
- 2542US4931418ACatalyst comprising potassium and cesium pyrosulfates with vanadium pentoxide and anataseARISTECH CHEMICAL CORP·Filed 1987·Granted Jun 5, 1990·6 cites·8 claims
- 2640US5329037AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1993·Granted Jul 12, 1994·4 cites·1 claims
- 2737US5296626AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1993·Granted Mar 22, 1994·3 cites·2 claims
- 2836US5373061AIncorporation of functional groups in polymersARISTECH CHEMICAL CORP·Filed 1994·Granted Dec 13, 1994·2 cites·6 claims
- 2935US5091579AAniline catalystARISTECH CHEMICAL CORP·Filed 1989·Granted Feb 25, 1992·3 cites·3 claims
- 3031US4912234AProcess for the oxidation of aromatic hydrocarbonsARISTECH CHEMICAL CORP·Filed 1989·Granted Mar 27, 1990·2 cites·6 claims
- 3130US5239030AAmine/propylene copolymersARISTECH CHEMICAL CORP·Filed 1989·Granted Aug 24, 1993·1 cites·11 claims
- 3230US5200542ADiallyl silyl aminesARISTECH CHEMICAL CORP·Filed 1992·Granted Apr 6, 1993·1 cites·4 claims
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