Inventor · disambiguated record
Paul K. Ladwig
Also filed as: LADWIG PAUL K
24 granted patents·2 pending applications·1,032 citations·filing 1988–2009
97Inventor score
Files withEXXON RESEARCH ENGINEERING CO10EXXONMOBIL CHEM PATENTS INC9EXXON CHEMICAL PATENTS INC3EXXONMOBIL RES & ENG CO2
Top patents by PatentIndex Score
26 records- 0198US5069799AMethod for rejuvenating lubricating oilsEXXON RESEARCH ENGINEERING CO·Filed 1989·Granted Dec 3, 1991·173 cites·4 claims
- 0294US6106697ATwo stage fluid catalytic cracking process for selectively producing b. C.su2 to C4 olefinsEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Aug 22, 2000·92 cites·8 claims
- 0391US6558531B2Method for maintaining heat balance in a fluidized bed catalytic cracking unitEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted May 6, 2003·64 cites·27 claims
- 0491US6093867AProcess for selectively producing C3 olefins in a fluid catalytic cracking processEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Jul 25, 2000·87 cites·8 claims
- 0591US4906389AMethod for reducing piston depositsEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Mar 6, 1990·62 cites·52 claims
- 0688US6069287AProcess for selectively producing light olefins in a fluid catalytic cracking processEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted May 30, 2000·71 cites·16 claims
- 0787US6339181B1Multiple feed process for the production of propyleneEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Jan 15, 2002·64 cites·31 claims
- 0887US6258257B1Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking processEXXONMOBIL RES & ENG CO·Filed 2000·Granted Jul 10, 2001·43 cites·8 claims
- 0982US5714663AProcess for obtaining significant olefin yields from residua feedstocksEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Feb 3, 1998·63 cites·6 claims
- 1081US6455750B1Process for selectively producing light olefinsEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Sep 24, 2002·45 cites·6 claims
- 1181US6313366B1Process for selectively producing C3 olefins in a fluid catalytic cracking processEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Nov 6, 2001·29 cites·11 claims
- 1281US5068044AMethod for reducing piston depositsEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted Nov 26, 1991·26 cites·35 claims
- 1375US6602403B1Process for selectively producing high octane naphthaEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Aug 5, 2003·40 cites·12 claims
- 1473US5164101AMethod for reducing piston depositsEXXON RESEARCH ENGINEERING CO·Filed 1991·Granted Nov 17, 1992·25 cites·44 claims
- 1570US8022109B2Product filtration system for slurry reactorsEXXONMOBIL RES & ENG CO·Filed 2009·Granted Sep 20, 2011·2 cites·7 claims
- 1667US6803494B1Process for selectively producing propylene in a fluid catalytic cracking processEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Oct 12, 2004·11 cites·19 claims
- 1767US6339180B1Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking processEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted Jan 15, 2002·12 cites·17 claims
- 1864US6388152B1Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking processEXXONMOBIL CHEM PATENTS INC·Filed 2000·Granted May 14, 2002·10 cites·8 claims
- 1964US6315890B1Naphtha cracking and hydroprocessing process for low emissions, high octane fuelsEXXONMOBIL CHEM PATENTS INC·Filed 1999·Granted Nov 13, 2001·27 cites·11 claims
- 2061US5952539ADual process for obtaining olefinsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Sep 14, 1999·25 cites·21 claims
- 2157US6179993B1Process for obtaining olefins from residual feedstocksEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Jan 30, 2001·21 cites·12 claims
- 2257US5824208AShort contact time catalytic cracking processEXXON RESEARCH ENGINEERING CO·Filed 1995·Granted Oct 20, 1998·23 cites·10 claims
- 2348US6114265ACombustion control in a fluid catalytic cracking regeneratorEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Sep 5, 2000·11 cites·15 claims
- 2442US2002169350A1Process for selectively producing light olefinsFiled 2002·Application pending·0 cites
- 2540US2001040118A1FCC processFiled 2001·Application pending·0 cites
- 2639US5019286ALow viscosity aromatic carbonate lubricating oil concentratesEXXON CHEMICAL PATENTS INC·Filed 1990·Granted May 28, 1991·6 cites·42 claims
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