Inventor · disambiguated record
Francis L. Himpsl
Also filed as: HIMPSL FRANCIS L
8 granted patents·119 citations·filing 1981–1992
87Inventor score
Top patents by PatentIndex Score
8 records- 0183US5277931AComposite ion-exchange material, preparation and use thereofENGELHARD CORP·Filed 1992·Granted Jan 11, 1994·52 cites·14 claims
- 0276US4338289APreparation of decaborane (14) through hydride ion abstraction reactionsUS ARMY·Filed 1981·Granted Jul 6, 1982·12 cites·4 claims
- 0364US4699893AFluid cracking catalyst and method of making same from waste catalyst manufacture finesENGELHARD CORP·Filed 1985·Granted Oct 13, 1987·21 cites·9 claims
- 0451US4581340AFluid cracking catalyst and method of making same from waste catalyst manufacture finesENGELHARD CORP·Filed 1985·Granted Apr 8, 1986·13 cites·17 claims
- 0551US4384949APretreating hydrocarbon feed stocks using deactivated FCC catalystENGELHARD MIN & CHEM·Filed 1981·Granted May 24, 1983·10 cites·15 claims
- 0638US4581341AMethod for producing cracking catalystENGELHARD CORP·Filed 1983·Granted Apr 8, 1986·5 cites·11 claims
- 0732US4520119ACracking catalyst and manufacture thereofENGELHARD CORP·Filed 1983·Granted May 28, 1985·4 cites·17 claims
- 0831US5106485ACatalytic cracking of hydrocarbons with a mixture of zeolite L and zeolite YENGELHARD CORP·Filed 1990·Granted Apr 21, 1992·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →