Inventor · disambiguated record
Elmer J. Hollstein
Also filed as: HOLLSTEIN ELMER J · STEARNS RICHARD S
16 granted patents·405 citations·filing 1976–1993
95Inventor score
Top patents by PatentIndex Score
16 records- 0196US4918041ACatalyst for hydrocarbon conversion and conversion process utilizing the sameSUN REFINING & MARKETING·Filed 1988·Granted Apr 17, 1990·71 cites·13 claims
- 0294US4956519ACatalyst for hydrocarbon conversion and conversion process utilizing the sameSUN REFINING & MARKETING·Filed 1989·Granted Sep 11, 1990·53 cites·3 claims
- 0392US5321197AProcesses using solid-acid catalyst compositionSUN CO INC R & M·Filed 1992·Granted Jun 14, 1994·37 cites·9 claims
- 0489US5212136ASolid-acid alkylation catalyst compositions for alkylation processesSUN CO INC R & M·Filed 1991·Granted May 18, 1993·28 cites·9 claims
- 0583US5214017ASolid-acid alkylation catalyst compositions for alkylation processesSUN CO INC R & M·Filed 1991·Granted May 25, 1993·43 cites·10 claims
- 0682US5493067ASolid superacid alkylation catalyst compositions and alkylation method using the sameSUN CO INC R & M·Filed 1993·Granted Feb 20, 1996·18 cites·24 claims
- 0782US5310868AProcesses using solid-acid catalyst compositionsSUN COMPANY INC·Filed 1992·Granted May 10, 1994·39 cites·10 claims
- 0878US5780383ASolid superacid catalyst comprising group VII metal and having Ho less than -18SUN CO INC R & M·Filed 1992·Granted Jul 14, 1998·36 cites·2 claims
- 0970US4107243APreparation of thermoplastic polymer fibrilla and fibrilSUNTECH·Filed 1976·Granted Aug 15, 1978·13 cites·6 claims
- 1069US5491278AAlkylation process using solid superacid catalyst liquid phaseSUN CO INC R & M·Filed 1993·Granted Feb 13, 1996·25 cites·12 claims
- 1166US4229612ADecolorization of norbornadiene dimersSUNTECH·Filed 1979·Granted Oct 21, 1980·7 cites·13 claims
- 1252US4272362AProcess to upgrade shale oilSUNTECH·Filed 1980·Granted Jun 9, 1981·10 cites·6 claims
- 1344US4353792AProcess to upgrade coal liquids by extraction prior to hydrodenitrogenationSUNTECH·Filed 1980·Granted Oct 12, 1982·7 cites·6 claims
- 1442US4192731ACoal extraction processSUNTECH·Filed 1978·Granted Mar 11, 1980·7 cites·5 claims
- 1540US4561969AMethod for removing chlorine compounds from hydrocarbon mixturesUS ENERGY·Filed 1984·Granted Dec 31, 1985·7 cites·10 claims
- 1636US5362694ASulfur dioxide regeneration of superacid catalystSUN CO INC R & M·Filed 1993·Granted Nov 8, 1994·4 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →