Inventor · disambiguated record
Dennis B. Malpass
Also filed as: MALPASS DENNIS B · SANCHEZ RAMIRO · WATSON SPENCER C
58 granted patents·1,993 citations·filing 1974–1998
99Inventor score
Files withTEXAS ALKYLS INC42AKZO NOBEL NV6EXXON RESEARCH ENGINEERING CO5AKZO CHEMICALS INC2STAUFFER CHEMICAL CO2
Top patents by PatentIndex Score
58 records- 0198US5041584AModified methylaluminoxaneTEXAS ALKYLS INC·Filed 1990·Granted Aug 20, 1991·508 cites·15 claims
- 0297US4960878ASynthesis of methylaluminoxanesTEXAS ALKYLS INC·Filed 1988·Granted Oct 2, 1990·222 cites·10 claims
- 0396US5728855AModified polyalkylaluminoxane composition formed using reagent containing carbon-oxygen double bondAKZO NOBEL NV·Filed 1996·Granted Mar 17, 1998·124 cites·27 claims
- 0496US4127507AHydrocarbon soluble straight-chain di-(lower alkyl) magnesium compositionsTEXAS ALKYLS INC·Filed 1977·Granted Nov 28, 1978·42 cites·19 claims
- 0595US5731451AModified polyalkylauminoxane composition formed using reagent containing aluminum trialkyl siloxideAKZO NOBEL NV·Filed 1996·Granted Mar 24, 1998·111 cites·21 claims
- 0694US5329032APolymethylaluminoxane of enhanced solution stabilityAKZO CHEMICALS INC·Filed 1992·Granted Jul 12, 1994·291 cites·9 claims
- 0793US5041585APreparation of aluminoxanesTEXAS ALKYLS INC·Filed 1990·Granted Aug 20, 1991·131 cites·9 claims
- 0892US4500648ALong chain branching in polyolefins from ziegler-natta catalystsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Feb 19, 1985·55 cites·10 claims
- 0986US4657998APolyethylene with broad molecular weight distributionEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Apr 14, 1987·38 cites·2 claims
- 1085US4113783AReduction of triphenylphosphine oxide to triphenylphosphineTEXAS ALKYLS INC·Filed 1977·Granted Sep 12, 1978·16 cites·17 claims
- 1184US4222969AHydrocarbon soluble magnesium compositions of high magnesium contentTEXAS ALKYLS INC·Filed 1979·Granted Sep 16, 1980·13 cites·21 claims
- 1283US5416229APolymethylaluminoxane of enhanced solution stabilityAKZO NOBEL CHEMICALS INC·Filed 1994·Granted May 16, 1995·32 cites·9 claims
- 1380US5086024ACatalyst system for polymerization of olefinsTEXAS ALKYLS INC·Filed 1990·Granted Feb 4, 1992·47 cites·15 claims
- 1480US4727051AProduction of halide-and alkoxy-containing magnesium compositionsTEXAS ALKYLS INC·Filed 1986·Granted Feb 23, 1988·34 cites·13 claims
- 1580US4128501AProcess for the preparation of organo-magnesium complexesTEXAS ALKYLS INC·Filed 1977·Granted Dec 5, 1978·13 cites·4 claims
- 1679US4732992AMethod for recovery of alkylaluminum halidesTEXAS ALKYLS INC·Filed 1986·Granted Mar 22, 1988·15 cites·6 claims
- 1779US4593010APolyethylene with broad molecular weight distributionEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jun 3, 1986·23 cites·13 claims
- 1879US4299781AOrganomagnesium solutions of low viscosityTEXAS ALKYLS INC·Filed 1980·Granted Nov 10, 1981·12 cites·23 claims
- 1979US4207207AHydrocarbon soluble magnesium compositions of high magnesium contentTEXAS ALKYLS INC·Filed 1979·Granted Jun 10, 1980·10 cites·27 claims
- 2079US3946058AProcess for recovering of dialkylaluminum halide from mixtures containing soluble zincTEXAS ALKYLS INC·Filed 1974·Granted Mar 23, 1976·13 cites·7 claims
- 2178US5831109APolyalkylaluminoxane compositions formed by non-hydrolytic meansAKZO NOBEL NV·Filed 1995·Granted Nov 3, 1998·36 cites·13 claims
- 2278US4851489ALong chain branching in polyolefins from Ziegler-Natta catalystsEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Jul 25, 1989·25 cites·2 claims
- 2377US4325840AOrganomagnesium complexesTEXAS ALKYLS INC·Filed 1979·Granted Apr 20, 1982·9 cites·13 claims
- 2475US4670571AMethod for recovery of alkylaluminum halidesTEXAS ALKYLS INC·Filed 1985·Granted Jun 2, 1987·12 cites·7 claims
- 2569US4133824AOrgano-magnesium complexes and process for their preparationTEXAS ALKYLS INC·Filed 1977·Granted Jan 9, 1979·19 cites·26 claims
- 2667US5777143AHydrocarbon soluble alkylaluminoxane compositions formed by use of non-hydrolytic meansAKZO NOBEL NV·Filed 1996·Granted Jul 7, 1998·35 cites·23 claims
- 2764US5206401AMethod of making alkylaluminoxaneAKZO CHEMICALS INC·Filed 1991·Granted Apr 27, 1993·11 cites·10 claims
- 2863US4263217AHydrocarbon-soluble magnesium-aluminum compositionsTEXAS ALKYLS INC·Filed 1979·Granted Apr 21, 1981·5 cites·6 claims
- 2961US4170604AProduction of dialkylaluminum hydridesSTAUFFER CHEMICAL CO·Filed 1978·Granted Oct 9, 1979·4 cites·2 claims
- 3057US4547477AOrganomagnesium solutions of low viscosityTEXAS ALKYLS INC·Filed 1984·Granted Oct 15, 1985·6 cites·11 claims
- 3155US4069260APreparation of unsaturated alcoholsTEXAS ALKYLS INC·Filed 1975·Granted Jan 17, 1978·3 cites·8 claims
- 3254US4110357AIntermediates for preparation of unsaturated alcoholsTEXAS ALKYLS INC·Filed 1976·Granted Aug 29, 1978·3 cites·7 claims
- 3354US4101568AProduction of dialkylaluminum hydridesTEXAS ALKYLS INC·Filed 1976·Granted Jul 18, 1978·3 cites·19 claims
- 3453US5063188ACatalyst component for ethylene polyermization and copolymerizationTEXAS ALKYLS INC·Filed 1990·Granted Nov 5, 1991·9 cites·11 claims
- 3553US4732993AFluoroalkoxyaluminum compounds and their use in polymerization processesSTAUFFER CHEMICAL CO·Filed 1986·Granted Mar 22, 1988·8 cites·15 claims
- 3651US4707462AOrganomagnesium solutions of low viscosityTEXAS ALKYLS INC·Filed 1986·Granted Nov 17, 1987·4 cites·12 claims
- 3749US4847239AHydrocarbon soluble copper alkoxide compositionsTEXAS ALKYLS INC·Filed 1987·Granted Jul 11, 1989·11 cites·6 claims
- 3849US4581467AOrganoaluminum compounds and their method of preparation (P-1038)EXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Apr 8, 1986·6 cites·3 claims
- 3949US4133815APreparation of unsaturated alcoholsTEXAS ALKYLS INC·Filed 1976·Granted Jan 9, 1979·2 cites·4 claims
- 4048US4720562ANovel titanium-containing reagents for methylenation and analogous reactionsTEXAS ALKYLS INC·Filed 1986·Granted Jan 19, 1988·3 cites·20 claims
- 4145US4904788AHydrocarbon-soluble complexes of magnesium alkoxides with magnesium amidesTEXAS ALKYLS INC·Filed 1988·Granted Feb 27, 1990·2 cites·3 claims
- 4242US5910270AViscosity reduction of organomagnesium solutionsAKZO NOBEL NV·Filed 1997·Granted Jun 8, 1999·2 cites·12 claims
- 4341US4231896AOrganomagnesium complexesTEXAS ALKYLS INC·Filed 1978·Granted Nov 4, 1980·3 cites·4 claims
- 4440US4849574ASynthesis of olefins from ketones or aldehydes using bis(alkylchloroalumino)methaneTEXAS ALKYLS INC·Filed 1988·Granted Jul 18, 1989·1 cites·3 claims
- 4540US4788367ASynthesis of olefins from ketones using bis(alkylchloroalumino)methaneTEXAS ALKYLS INC·Filed 1987·Granted Nov 29, 1988·1 cites·11 claims
- 4639US4910178AOlefin polymerization or copolymerization catalyst componentsTEXAS ALKYLS INC·Filed 1988·Granted Mar 20, 1990·1 cites·6 claims
- 4738US4826665ARemoval of aluminum alkyl vapor from gas streamTEXAS ALKYLS INC·Filed 1988·Granted May 2, 1989·9 cites·5 claims
- 4835US4851378AOlefin polymerization of copolymerization catalyst componentsTEXAS ALKYLS INC·Filed 1988·Granted Jul 25, 1989·2 cites·8 claims
- 4933US6046347AAluminoxane synthesis employing reduced amount of trialkylaluminum compoundAKZO NOBEL NV·Filed 1998·Granted Apr 4, 2000·5 cites·9 claims
- 5033US5059703AHydrocarbon soluble copper alkoxide compositionsTEXAS ALKYLS INC·Filed 1989·Granted Oct 22, 1991·2 cites·4 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →