Inventor · disambiguated record
Frank J. Chen
Also filed as: CHEN FRANK J · CHEN FRANK J-Y · CHEN FRANK JOUNG-YEI
37 granted patents·1 pending application·1,576 citations·filing 1984–2000
98Inventor score
Top patents by PatentIndex Score
38 records- 0197US4952739AOrgano-Al-chloride catalyzed poly-n-butenes processEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Aug 28, 1990·165 cites·39 claims
- 0297US4849572AProcess for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)EXXON CHEMICAL PATENTS INC·Filed 1987·Granted Jul 18, 1989·161 cites·30 claims
- 0395US6022929AAmorphous olefin polymers, copolymers, methods of preparation and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1998·Granted Feb 8, 2000·119 cites·26 claims
- 0494US5607890ASupported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Mar 4, 1997·70 cites·6 claims
- 0593US5444135ADirect synthesis by living cationic polymerization of nitrogen-containing polymersEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Aug 22, 1995·114 cites·24 claims
- 0692US5814715AAmorphous olefin polymers, copolymers, methods of preparation and derivatives thereofEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Sep 29, 1998·76 cites·27 claims
- 0792US5648580ASupported lewis acid catalysts for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jul 15, 1997·53 cites·6 claims
- 0892US5563313AImmobilized Lewis Acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Oct 8, 1996·54 cites·17 claims
- 0992US5561095ASupported lewis acid catalysts for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Oct 1, 1996·44 cites·7 claims
- 1091US5663470A"Heterogeneous lewis acid-type catalysts"EXXON CHEMICAL PATENTS INC·Filed 1995·Granted Sep 2, 1997·67 cites·15 claims
- 1191US5288677AImmobilized Lewis acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Feb 22, 1994·45 cites·23 claims
- 1291US4686054ASuccinimide lubricating oil dispersantEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted Aug 11, 1987·63 cites·12 claims
- 1390US5780563ASupported lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Jul 14, 1998·43 cites·8 claims
- 1489US5032653ADirect synthesis by cationic polymerization of nitrogen-containing polymersEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Jul 16, 1991·44 cites·22 claims
- 1588US6060633ASupported Lewis acid catalysts derived from superacids useful for hydrocarbon conversion reactionsFiled 1995·Granted May 9, 2000·51 cites·14 claims
- 1686US5629394ADirect synthesis by living cationic polymerization of nitrogen-containing polymersEXXON CHEMICAL PATENTS INC·Filed 1995·Granted May 13, 1997·54 cites·20 claims
- 1785US5571885AImmobilized lewis acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Nov 5, 1996·33 cites·36 claims
- 1883US5789335ASupported Lewis acid catalysts for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Aug 4, 1998·55 cites·11 claims
- 1983US4558170APolyisobutylene processEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Dec 10, 1985·31 cites·8 claims
- 2082US5336745ATerminally-substituted polymeric compositions from cationically polymerizable monomers and initiatorsEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Aug 9, 1994·33 cites·17 claims
- 2179US5902919ASupported Lewis acid catalyst polymerization processEXXON CHEMICAL PATENTS INC·Filed 1998·Granted May 11, 1999·45 cites·2 claims
- 2271US5414177AImmobilized Lewis acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted May 9, 1995·12 cites·21 claims
- 2369US5409873AImmobilized Lewis acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Apr 25, 1995·11 cites·46 claims
- 2466US5017279AMultistep process for the manufacture of novel polyolefin lubricants from sulfur containing thermally cracked petroleum residuaEXXON RESEARCH ENGINEERING CO·Filed 1990·Granted May 21, 1991·20 cites·8 claims
- 2565US4935576APolybutene processEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Jun 19, 1990·15 cites·36 claims
- 2663US5118875AMethod of preparing alkyl phenol-formaldehyde condensatesEXXON CHEMICAL PATENTS INC·Filed 1990·Granted Jun 2, 1992·17 cites·24 claims
- 2760US5874380AHeterogeneous lewis acid-type catalystsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Feb 23, 1999·12 cites·11 claims
- 2857US5877371AHeterogeneous Lewis acid-type catalystsEXXON CHEMICAL PATENTS INC·Filed 1998·Granted Mar 2, 1999·10 cites·11 claims
- 2955US5770539ALewis acid catalysts supported on porous polymer substrateEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jun 23, 1998·12 cites·26 claims
- 3053US5691431ACationic polymerization catalyzed by lewis acid catalysts supported on porous polymer substrateEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Nov 25, 1997·11 cites·28 claims
- 3153US4982045AFixed bed process for polymerizing liquid butenesEXXON CHEMICAL PATENTS INC·Filed 1989·Granted Jan 1, 1991·8 cites·30 claims
- 3249US5600055AImmobilized Lewis Acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Feb 4, 1997·5 cites·13 claims
- 3348US5326921AAlCl3 -catalyzed process for preparing poly-N-butenes from mixed butenesEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Jul 5, 1994·7 cites·25 claims
- 3445US5177288APolybutene processEXXON CHEMICAL PATENTS INC·Filed 1990·Granted Jan 5, 1993·6 cites·35 claims
- 3541US5262508AProcess for preparing alkyl phenol-sulfur condensate lubricating oil additivesEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Nov 16, 1993·9 cites·23 claims
- 3639US2001053835A1Supported Lewis acid catalysts for hydrocarbon conversion reactions - (PT-1127)EXXON CHEMICAL PATENTS INC·Filed 2000·Application pending·0 cites
- 3735US5481054AImmobilized Lewis Acid catalystsEXXON CHEMICAL PATENTS INC·Filed 1995·Granted Jan 2, 1996·1 cites·18 claims
- 3832US5268524APreparation of linear alkyl aromaticsEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Dec 7, 1993·0 cites·20 claims
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