Inventor · disambiguated record
Fu Chen
Also filed as: CHEN FU · Chen fu gang
73 granted patents·1,913 citations·filing 1986–2020
99Inventor score
Top patents by PatentIndex Score
73 records- 0194US6590050B1Polymeric fluid loss additives and method of use thereofHERCULES INC·Filed 2002·Granted Jul 8, 2003·71 cites·28 claims
- 0294US6417268B1Method for making hydrophobically associative polymers, methods of use and compositionsHERCULES INC·Filed 1999·Granted Jul 9, 2002·132 cites·14 claims
- 0392US6020422AAqueous dispersion polymersBETZDEARBORN INC·Filed 1996·Granted Feb 1, 2000·77 cites·48 claims
- 0491US6641754B2Method for controlling scale formation and deposition in aqueous systemsBETZDEARBORN INC·Filed 2001·Granted Nov 4, 2003·64 cites·40 claims
- 0591US6444747B1Water soluble copolymersBETZDEARBORN INC·Filed 2001·Granted Sep 3, 2002·70 cites·16 claims
- 0690US4913822AMethod for control of scale and inhibition of corrosion in cooling water systemsBETZ LABORATORIES·Filed 1989·Granted Apr 3, 1990·74 cites·7 claims
- 0789US6465587B1Polymeric fluid loss additives and method of use thereofHERCULES INC·Filed 2000·Granted Oct 15, 2002·49 cites·29 claims
- 0888US5234604AWater soluble block copolymers and methods of use therofBETZ LABORATORIES·Filed 1992·Granted Aug 10, 1993·61 cites·10 claims
- 0988US4659481AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1986·Granted Apr 21, 1987·74 cites·12 claims
- 1082US5575920AMethod of inhibiting scale and controlling corrosion in cooling water systemsBETZDEARBORN INC·Filed 1995·Granted Nov 19, 1996·55 cites·12 claims
- 1182US5180498APolymers for the treatment of boiler waterBETZ LABORATORIES·Filed 1992·Granted Jan 19, 1993·51 cites·28 claims
- 1282US5158622AMethod and composition for treatment of aluminumBETZ LABORATORIES·Filed 1991·Granted Oct 27, 1992·38 cites·9 claims
- 1381US4701262AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1986·Granted Oct 20, 1987·28 cites·3 claims
- 1481US4659482AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1986·Granted Apr 21, 1987·43 cites·6 claims
- 1579US5614602AProcess for the preparation of aqueous dispersion polymersBETZDEARBORN INC·Filed 1996·Granted Mar 25, 1997·34 cites·7 claims
- 1677US5643462AComposition and method for water clarificationBETZDEARBORN INC·Filed 1994·Granted Jul 1, 1997·28 cites·8 claims
- 1777US5292441AQuaternized polyvinylamine water clarification agentsBETZ LABORATORIES·Filed 1993·Granted Mar 8, 1994·41 cites·6 claims
- 1877US5182331AWater soluble block copolymers and methods of use thereofBETZ LABORATORIES·Filed 1991·Granted Jan 26, 1993·29 cites·8 claims
- 1976US5271847APolymers for the treatment of boiler waterBETZ LABORATORIES·Filed 1992·Granted Dec 21, 1993·41 cites·30 claims
- 2076US5211854AWater soluble graft copolymers and methods of use thereofBETZ LABORATORIES·Filed 1991·Granted May 18, 1993·25 cites·12 claims
- 2175US5921912ACopolmer formulations for breaking oil-and-water emulsionsBETZDEARBORN INC·Filed 1997·Granted Jul 13, 1999·45 cites·20 claims
- 2274US4872995AMethod for calcium oxalate scale controlBETZ LABORATORIES·Filed 1988·Granted Oct 10, 1989·38 cites·12 claims
- 2373US5242599APolymers for the treatment of boiler waterBETZ LABORATORIES·Filed 1992·Granted Sep 7, 1993·29 cites·30 claims
- 2470US5006596ASelf-inverting, water-in-oil emulsionsBETZ LABORATORIES·Filed 1990·Granted Apr 9, 1991·33 cites·14 claims
- 2570US4732698AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1987·Granted Mar 22, 1988·33 cites·7 claims
- 2670US4717499AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1987·Granted Jan 5, 1988·32 cites·9 claims
- 2769US5282905AMethod and composition for treatment of galvanized steelBETZ LABORATORIES·Filed 1992·Granted Feb 1, 1994·21 cites·16 claims
- 2869US4944885AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1989·Granted Jul 31, 1990·31 cites·9 claims
- 2967US4931188APolymers for boiler water treatmentBETZ LABORATORIES·Filed 1989·Granted Jun 5, 1990·15 cites·13 claims
- 3066US5387318AWater soluble graft copolymers for laser print deinking loop clarificationBETZ LABORATORIES·Filed 1993·Granted Feb 7, 1995·17 cites·13 claims
- 3166US4759851AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1987·Granted Jul 26, 1988·29 cites·13 claims
- 3265US11348994B2Fingerprint sensorsSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2020·Granted May 31, 2022·0 cites·11 claims
- 3365US4913880ANovel amine-containing copolymers and their useBETZ LABORATORIES·Filed 1989·Granted Apr 3, 1990·14 cites·27 claims
- 3464US4895663AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1988·Granted Jan 23, 1990·27 cites·6 claims
- 3564US4869845AWater treatment compositionsBETZ LABORATORIES·Filed 1988·Granted Sep 26, 1989·26 cites·4 claims
- 3664US4659480AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1986·Granted Apr 21, 1987·23 cites·13 claims
- 3763US5696194AProcess for the preparations of aqueous dispersion polymersBETZDEARBORN INC·Filed 1997·Granted Dec 9, 1997·15 cites·8 claims
- 3862US5707533AProcess for the preparation of aqueous dispersion polymersBETZDEARBORN INC·Filed 1997·Granted Jan 13, 1998·15 cites·10 claims
- 3961US5350536ACopolymers of ethylenically unsaturated and polyethylene-glycol monomethacrylate monomeric repeat units useful as scale control agents in boiler systemsBETZ LABORATORIES·Filed 1993·Granted Sep 27, 1994·18 cites·3 claims
- 4059US5298566AWater soluble graft copolymers and methods of use thereofBETZ LABORATORIES·Filed 1993·Granted Mar 29, 1994·10 cites·11 claims
- 4159US4906383ANovel amine-containing copolymers and their useBETZ LABORATORIES·Filed 1988·Granted Mar 6, 1990·12 cites·28 claims
- 4258US10600861B2Fingerprint sensors and fabrication methods thereofSEMICONDUCTOR MFG INT SHANGHAI CORP·Filed 2018·Granted Mar 24, 2020·0 cites·16 claims
- 4358US5693216AMethod of and composition for breaking oil and water emulsions in crude oil processing operationsBETZDEARBORN INC·Filed 1996·Granted Dec 2, 1997·20 cites·17 claims
- 4458US5527468ANonionic polymers for the treatment of boiler waterBETZ LABORATORIES·Filed 1994·Granted Jun 18, 1996·22 cites·14 claims
- 4557US5846436AComposition and method for water clarificationBETZDEARBORN INC·Filed 1997·Granted Dec 8, 1998·13 cites·24 claims
- 4657US5445758ACopolymers of ethylenically unsaturated and polyethylene-glycol monomethacrylate monomeric repeat units useful as scale control agents in boiler systemsBETZ LABORATORIES·Filed 1994·Granted Aug 29, 1995·16 cites·3 claims
- 4756US4708815AWater treatment polymers and methods of use thereofBETZ LABORATORIES·Filed 1987·Granted Nov 24, 1987·20 cites·7 claims
- 4854US5916991AComposition and method for water clarificationBETZDEARBORN INC·Filed 1997·Granted Jun 29, 1999·18 cites·7 claims
- 4954US5169537AWater soluble terpolymers and methods of use thereofBETZ LABORATORIES·Filed 1992·Granted Dec 8, 1992·10 cites·6 claims
- 5054US4851490AWater soluble phosphonated polymersBETZ LABORATORIES·Filed 1989·Granted Jul 25, 1989·18 cites·9 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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