Inventor
Fu Chen
Inventor
Newtown, PA, US
Overview
Patents· 73 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge39%
C23FNon-mechanical removal of metallic material from surface23%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds15%
C09DCoating compositions, e.g. paints, varnishes or lacquers3%
C23CCoating metallic material3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B01DSeparation2%
C04BLime, magnesia1%
C09KMaterials for miscellaneous applications, not provided for elsewhere1%
C10GCracking hydrocarbon oils1%
PatentTitleYear
10,745,502Polymers for oral care compositions202010,600,861Fingerprint sensors and fabrication methods thereof20206,641,754'Method for controlling scale formation and deposition in aqueous systems'20036,590,050'Polymeric fluid loss additives and method of use thereof'20036,465,587'Polymeric fluid loss additives and method of use thereof'20026,444,747'Water soluble copolymers'20026,417,268'Method for making hydrophobically associative polymers, methods of use and compositions'20026,020,422'Aqueous dispersion polymers'20005,921,912'Copolmer formulations for breaking oil-and-water emulsions'19995,916,991'Composition and method for water clarification'19995,851,433'Method of and composition for breaking oil and water emulsions in crude oil processing operations'19985,846,436'Composition and method for water clarification'19985,707,533'Process for the preparation of aqueous dispersion polymers'19985,696,194'Process for the preparations of aqueous dispersion polymers'19975,693,216'Method of and composition for breaking oil and water emulsions in crude oil processing operations'19975,684,109'Composition comprising a tannin-containing copolymer'19975,643,462'Composition and method for water clarification'19975,614,602'Process for the preparation of aqueous dispersion polymers'19975,575,920'Method of inhibiting scale and controlling corrosion in cooling water systems'19965,527,468'Nonionic polymers for the treatment of boiler water'19965,445,758'Copolymers of ethylenically unsaturated and polyethylene-glycol monomethacrylate monomeric repeat units useful as scale control agents in boiler systems'19955,391,238'Method and composition for treatment of aluminum'19955,387,318'Water soluble graft copolymers for laser print deinking loop clarification'19955,374,336'Water soluble graft copolymers and methods of use thereof'19945,350,536'Copolymers of ethylenically unsaturated and polyethylene-glycol monomethacrylate monomeric repeat units useful as scale control agents in boiler systems'19945,298,566'Water soluble graft copolymers and methods of use thereof'19945,292,441'Quaternized polyvinylamine water clarification agents'19945,292,379'Method and composition for treatment of aluminum'19945,282,905'Method and composition for treatment of galvanized steel'19945,271,847'Polymers for the treatment of boiler water'19935,242,599'Polymers for the treatment of boiler water'19935,234,604'Water soluble block copolymers and methods of use therof'19935,211,854'Water soluble graft copolymers and methods of use thereof'19935,183,576'Cationic polymers for sludge dewatering'19935,182,331'Water soluble block copolymers and methods of use thereof'19935,180,498'Polymers for the treatment of boiler water'19935,169,537'Water soluble terpolymers and methods of use thereof'19925,158,622'Method and composition for treatment of aluminum'19925,128,427'Terpolymer from sodium arcylate, sodium salt of amps and allyl ether of glycerol'19925,112,413'Method for treating metal surfaces with a polymer solution'19925,108,619'Method of inhibiting deposition on heat transfer surfaces in boilers'19925,108,622'Block copolymers for sludge dewatering and a polymeric initiator for their preparation'19925,100,561'Cationic polymers for sludge dewatering'19925,030,748'Water treatment polymers and methods of use thereof'19915,006,596'Self-inverting, water-in-oil emulsions'19914,980,433'Novel amine-containing copolymers and their use'19904,944,885'Water treatment polymers and methods of use thereof'19904,931,188'Polymers for boiler water treatment'19904,929,695'Water treatment polymers and methods of use thereof'19904,929,362'Calcium phosphate scale control methods'19904,913,822'Method for control of scale and inhibition of corrosion in cooling water systems'19904,913,880'Novel amine-containing copolymers and their use'19904,906,383'Novel amine-containing copolymers and their use'19904,898,684'Novel amine-containing copolymers and their use'19904,895,664'Water treatment polymers and methods of use thereof'19904,895,663'Water treatment polymers and methods of use thereof'19904,895,916'Water treatment polymers and methods of use thereof'19904,886,617'Water soluble phosphonated polymers'19894,872,995'Method for calcium oxalate scale control'19894,869,845'Water treatment compositions'19894,868,263'Novel amine-containing copolymers and their use'19894,863,614'Water treatment polymers and methods of use thereof'19894,851,490'Water soluble phosphonated polymers'19894,849,129'Water treatment polymers and methods of use thereof'19894,801,387'Water treatment polymers and methods of use thereof'19894,759,851'Water treatment polymers and methods of use thereof'19884,732,698'Water treatment polymers and methods of use thereof'19884,717,499'Water treatment polymers and methods of use thereof'19884,708,815'Water treatment polymers and methods of use thereof'19874,701,262'Water treatment polymers and methods of use thereof'19874,659,480'Water treatment polymers and methods of use thereof'19874,659,482'Water treatment polymers and methods of use thereof'19874,659,481'Water treatment polymers and methods of use thereof'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1996Patents assigned to BETZ LABORATORIES (54)· patent assignee history
1987–2002Based in Newtown, PA, US· patent location history
1996–2003Patents assigned to BETZDEARBORN INC (14)· patent assignee history
2002–2003Patents assigned to HERCULES INC (3)· patent assignee history
2002–2003Based in West Chester, PA, US· patent location history
2020Patents assigned to ISP INVESTMENTS LLC (1)· patent assignee history
2020Patents assigned to SEMICONDUCTOR MFG INT BEIJING CORP (1)· patent assignee history
2020Based in Somerville, NJ, US· patent location history
2020Based in Shanghai, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BETZ LABORATORIES | 54 | 1987–1996 |
| BETZDEARBORN INC | 14 | 1996–2003 |
| HERCULES INC | 3 | 2002–2003 |
| ISP INVESTMENTS LLC | 1 | 2020 |
| SEMICONDUCTOR MFG INT BEIJING CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Newtown, Pennsylvania, US | 67 | 1987–2002 |
| West Chester, Pennsylvania, US | 4 | 2002–2003 |
| Somerville, New Jersey, US | 1 | 2020 |
| Shanghai, CN | 1 | 2020 |