Inventor · disambiguated record
Bruce E. Leach
Also filed as: LEACH BRUCE E · LEACH BRUCE EUGENE · WEERASOORIYA UPALI
29 granted patents·480 citations·filing 1975–1995
97Inventor score
Top patents by PatentIndex Score
29 records- 0194US4676928AProcess for producing water dispersible aluminaVISTA CHEMICAL·Filed 1986·Granted Jun 30, 1987·74 cites·11 claims
- 0289US5386045AProcess for alkoxylation of esters and products produced therefromVISTA CHEMICAL·Filed 1992·Granted Jan 31, 1995·40 cites·25 claims
- 0388US5220046AProcess for alkoxylation of esters and products produced therefromVISTA CHEMICAL·Filed 1991·Granted Jun 15, 1993·38 cites·14 claims
- 0488US3979464AMethylation of 2,6-xylenol to produce 2,3,6-trimethylphenolCONTINENTAL OIL CO·Filed 1975·Granted Sep 7, 1976·20 cites·8 claims
- 0587US4227024APreparation of 2,6-xylenol and catalyst composition useful thereforCONOCO INC·Filed 1979·Granted Oct 7, 1980·19 cites·7 claims
- 0686US4283574AProcess for the synthesis of 2,6-xylenol and 2,3,6-trimethylphenolCONOCO INC·Filed 1980·Granted Aug 11, 1981·21 cites·11 claims
- 0785US4775653AAlkoxylation process using calcium based catalystsVISTA CHEMICAL·Filed 1987·Granted Oct 4, 1988·48 cites·11 claims
- 0881US4290924ACatalyst composition useful for preparing 2,6-xylenolCONOCO INC·Filed 1980·Granted Sep 22, 1981·15 cites·5 claims
- 0980US4835321AAlkoxylaton process using calcium based catalystsVISTA CHEMICAL·Filed 1988·Granted May 30, 1989·29 cites·13 claims
- 1076US4060560ADisproportionation of xylenols with phenol to form cresolsCONTINENTAL OIL CO·Filed 1976·Granted Nov 29, 1977·10 cites·8 claims
- 1176US4022843ALiquid phase methylation of ortho cresolCONTINENTAL OIL CO·Filed 1975·Granted May 10, 1977·10 cites·8 claims
- 1273US3975510ALow-density, high-porosity alumina extrudates and a method for producing said extrudatesCONTINENTAL OIL CO·Filed 1975·Granted Aug 17, 1976·18 cites·3 claims
- 1372US4110253AMethod for the disproportionation of highly alkylated phenols with phenolCONTINENTAL OIL CO·Filed 1977·Granted Aug 29, 1978·16 cites·3 claims
- 1471US5627121AProcess for preparing alkoxylation catalysts and alkoxylation processCONDEA VISTA CO·Filed 1995·Granted May 6, 1997·37 cites·16 claims
- 1571US3998892APreparation of prehnitenolCONTINENTAL OIL CO·Filed 1975·Granted Dec 21, 1976·8 cites·5 claims
- 1665US4269735AMagnesium oxide catalystCONOCO INC·Filed 1980·Granted May 26, 1981·17 cites·5 claims
- 1765US4125736AMethod for the disproportionation of highly alkylated phenols with phenolCONTINENTAL OIL CO·Filed 1977·Granted Nov 14, 1978·5 cites·6 claims
- 1862US4071566APreparation of cresols and xylenols from tetramethylphenols and pentamethylphenolCONTINENTAL OIL CO·Filed 1976·Granted Jan 31, 1978·5 cites·10 claims
- 1961US4010099ASettlers for copper liquid extraction systemsCONTINENTAL OIL CO·Filed 1975·Granted Mar 1, 1977·9 cites·4 claims
- 2061US3965045AIron catalystCONTINENTAL OIL CO·Filed 1975·Granted Jun 22, 1976·5 cites·16 claims
- 2160US4322566AMagnesium oxide catalystCONOCO INC·Filed 1980·Granted Mar 30, 1982·14 cites·6 claims
- 2253US4258220APurification of 2,6-xylenol streamsCONOCO INC·Filed 1980·Granted Mar 24, 1981·4 cites·8 claims
- 2353US4108909AN-alkylated cresylic acids via direct alkylation in a liquid phaseCONTINENTAL OIL CO·Filed 1976·Granted Aug 22, 1978·3 cites·7 claims
- 2453US3993701AMethylation of α-naphthol to 2-methyl-1-naphtholCONTINENTAL OIL CO·Filed 1975·Granted Nov 23, 1976·3 cites·6 claims
- 2541US3975231AMethod for producing concentrated alumina slurriesCONTINENTAL OIL CO·Filed 1975·Granted Aug 17, 1976·4 cites·7 claims
- 2639US4126749APhenolics methylation using a modified alumina catalystCONTINENTAL OIL CO·Filed 1977·Granted Nov 21, 1978·1 cites·2 claims
- 2739US3996297AProcess for purification of 2,6-xylenolCONTINENTAL OIL CO·Filed 1975·Granted Dec 7, 1976·1 cites·4 claims
- 2834US4078042AProcess for preparing Zeolite ACONTINENTAL OIL CO·Filed 1977·Granted Mar 7, 1978·3 cites·15 claims
- 2933US4271138AProcess for producing aluminum oxychloride solutions from low molecular weight aluminum alkoxidesCONOCO INC·Filed 1980·Granted Jun 2, 1981·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →