Inventor · disambiguated record
Melvin B. Welch
Also filed as: MCDANIEL MAX P · WELCH MELVIN B
22 granted patents·774 citations·filing 1976–1983
96Inventor score
Files withPHILLIPS PETROLEUM CO22
Top patents by PatentIndex Score
22 records- 0198US4151122AReduction and reoxidation of cogel or self-reduced catalystPHILLIPS PETROLEUM CO·Filed 1977·Granted Apr 24, 1979·130 cites·31 claims
- 0297US4248735ATreatment of silicaPHILLIPS PETROLEUM CO·Filed 1979·Granted Feb 3, 1981·101 cites·48 claims
- 0397US4247421AActivation of supported chromium oxide catalystsPHILLIPS PETROLEUM CO·Filed 1979·Granted Jan 27, 1981·117 cites·7 claims
- 0495US4182815AReduction and reoxidation of cogel or self-reduced catalystPHILLIPS PETROLEUM CO·Filed 1979·Granted Jan 8, 1980·67 cites·23 claims
- 0592US4297460ATreatment of silicaPHILLIPS PETROLEUM CO·Filed 1980·Granted Oct 27, 1981·55 cites·23 claims
- 0691US4307214ASC2 activation of supported chromium oxide catalystsPHILLIPS PETROLEUM CO·Filed 1980·Granted Dec 22, 1981·51 cites·7 claims
- 0788US4211863APolymer slurry catalyst residue deactivationPHILLIPS PETROLEUM CO·Filed 1979·Granted Jul 8, 1980·40 cites·7 claims
- 0887US4177162ASulfiding and reoxidation of chromium catalystPHILLIPS PETROLEUM CO·Filed 1977·Granted Dec 4, 1979·37 cites·17 claims
- 0984US4326988ACatalyst, method of producing the catalyst, and polymerization process employing the catalystPHILLIPS PETROLEUM CO·Filed 1980·Granted Apr 27, 1982·34 cites·22 claims
- 1083US4277587ASulfiding and reoxidation of chromium catalystPHILLIPS PETROLEUM CO·Filed 1979·Granted Jul 7, 1981·30 cites·37 claims
- 1182US4234710ACatalyst and a polymerization process employing the catalystPHILLIPS PETROLEUM CO·Filed 1976·Granted Nov 18, 1980·26 cites·26 claims
- 1278US4243552APolymerization catalyst and processPHILLIPS PETROLEUM CO·Filed 1978·Granted Jan 6, 1981·20 cites·21 claims
- 1371US4284748AOlefin polymerizationPHILLIPS PETROLEUM CO·Filed 1979·Granted Aug 18, 1981·14 cites·15 claims
- 1463US4331791APolymerization process using high molecular weight epoxidesPHILLIPS PETROLEUM CO·Filed 1980·Granted May 25, 1982·13 cites·15 claims
- 1552US4410451ACatalyst and processPHILLIPS PETROLEUM CO·Filed 1981·Granted Oct 18, 1983·8 cites·15 claims
- 1651US4410671ACatalyst, method of producing the catalyst, and polymerization process employing the catalystPHILLIPS PETROLEUM CO·Filed 1982·Granted Oct 18, 1983·8 cites·34 claims
- 1750US4295997ASO2 Activation of supported chromium oxide catalystsPHILLIPS PETROLEUM CO·Filed 1980·Granted Oct 20, 1981·7 cites·8 claims
- 1842US4472523AZirconium-titanium catalyzed olefin polymerizationPHILLIPS PETROLEUM CO·Filed 1983·Granted Sep 18, 1984·4 cites·28 claims
- 1939US4238369AChromium-silica catalysts by hydrothermal treatingPHILLIPS PETROLEUM CO·Filed 1979·Granted Dec 9, 1980·4 cites·9 claims
- 2035US4396747AZirconium-titanium catalyzed olefin polymerizationPHILLIPS PETROLEUM CO·Filed 1981·Granted Aug 2, 1983·2 cites·6 claims
- 2135US4331558APolymerization catalyst and processPHILLIPS PETROLEUM CO·Filed 1980·Granted May 25, 1982·4 cites·14 claims
- 2235US4316818APolymerization catalyst and processPHILLIPS PETROLEUM CO·Filed 1980·Granted Feb 23, 1982·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →