Inventor · disambiguated record
Stefan Frenzel
Also filed as: FRENZEL STEFAN
35 granted patents·16 pending applications·162 citations·filing 2000–2023
96Inventor score
Top patents by PatentIndex Score
51 records- 0193US8097577B2Cleaning compositions with alkoxylated polyalkanolaminesDANZIGER JAMES LEE·Filed 2008·Granted Jan 17, 2012·21 cites·16 claims
- 0292US8318653B2Amphiphilic water-soluble alkoxylated polyalkyleneimines having an inner polyethylene oxide block and an outer polypropylene oxide blockMISSKE ANDREA·Filed 2008·Granted Nov 27, 2012·16 cites·20 claims
- 0392US8097579B2Cleaning compositions with amphiphilic water-soluble polyalkylenimines having an inner polyethylene oxide block and an outer polypropylene oxide blockDANZIGER JAMES LEE·Filed 2008·Granted Jan 17, 2012·21 cites·15 claims
- 0488US10208192B2Copolymers comprising ethylene, vinyl esters and esters of (meth)acrylic acid, their formulations and use as pour point depressant, wax inhibitor and flow enhancer for crude oilsBASF SE·Filed 2015·Granted Feb 19, 2019·4 cites·21 claims
- 0588US9574146B2Polymeric compositions composed of ethylene-vinyl ester copolymers alkyl (meth)acrylates, processes for production thereof and use thereof as pour point depressants for crude oils, mineral oils or mineral oil productsBASF SE·Filed 2013·Granted Feb 21, 2017·5 cites·21 claims
- 0686US8129326B2Alkoxylated polyalkanolaminesMISSKE ANDREA·Filed 2008·Granted Mar 6, 2012·8 cites·22 claims
- 0786US6864330B2Use of hydrophilic graft copolymers containing N-vinylamine and/or open-chain N-vinylamide units in cosmetic formulationsBASF AG·Filed 2001·Granted Mar 8, 2005·23 cites·18 claims
- 0882US10781385B2Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil productsBASF SE·Filed 2016·Granted Sep 22, 2020·2 cites·11 claims
- 0980US10072115B2Polymeric compositions as pour point depressants for crude oilsBASF SE·Filed 2017·Granted Sep 11, 2018·1 cites·10 claims
- 1078US7316994B2Perfume polymeric particlesPROCTER & GAMBLE·Filed 2003·Granted Jan 8, 2008·11 cites·8 claims
- 1174US8328948B2Purification of raw juice featuring reduced lime consumptionRAD MOHSEN AJDARI·Filed 2007·Granted Dec 11, 2012·3 cites·18 claims
- 1274US6969444B2Paper coating slip containing n-vinylformamideBASF AG·Filed 2001·Granted Nov 29, 2005·14 cites·15 claims
- 1373US10851323B2Aqueous polymer dispersions, a method for their preparation and the use thereof as pour-point depressants for crude oil, petroleum, and petroleum productsBASF SE·Filed 2017·Granted Dec 1, 2020·1 cites·14 claims
- 1468US8277935B2Cleaning implement comprising a modified open-cell foamGONZALES DENIS ALFRED·Filed 2006·Granted Oct 2, 2012·5 cites·20 claims
- 1565US8691306B2Process for the electroporation of beet cossettes and device for carrying out this processARNOLD JOCHEN·Filed 2009·Granted Apr 8, 2014·3 cites·23 claims
- 1665US7695566B2Extraction of constituents from sugar beet chipsSUEDZUCKER AG·Filed 2005·Granted Apr 13, 2010·2 cites·20 claims
- 1765US7572178B2System housing, in particular for a heating, ventilating and/or air-conditioning system of a vehicleVALEO KLIMASYSTEME GMBH·Filed 2006·Granted Aug 11, 2009·3 cites·6 claims
- 1865US6562926B1Method for producing water-soluble polymers, comprising oligoalkylene-imine side chainsBASF AG·Filed 2000·Granted May 13, 2003·7 cites·19 claims
- 1962US7084200B2Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production thereof and their useBASF AG·Filed 2002·Granted Aug 1, 2006·8 cites·19 claims
- 2061US11236282B2Copolymers comprising a-olefins and olefin dicarboxylic acid esters, production thereof, and use thereof as pour point depressants for crude oils, mineral oils, or mineral oil productsBASF SE·Filed 2020·Granted Feb 1, 2022·0 cites·12 claims
- 2161US10287384B2Polymeric compositions as pour point depressants for crude oilsBASF SE·Filed 2015·Granted May 14, 2019·0 cites·20 claims
- 2260US10619038B2Copolymers comprising ethylene vinyl esters and esters of (meth)acrylic acid, their formulations and use as pour point depressant, wax inhibitor and flow enhancer for crude oilsBASF SE·Filed 2019·Granted Apr 14, 2020·0 cites·13 claims
- 2359US8025767B2Wet strength enhancers for paperBASF AG·Filed 2008·Granted Sep 27, 2011·0 cites·7 claims
- 2456US2013056002A1Crude juice purification with reduced lime consumptionSUDZUCKER AG MANNHEIM OCHSENF·Filed 2012·Application pending·0 cites
- 2555US12492843B2Heating body of an electric radiatorVALEO SYSTEMES THERMIQUES·Filed 2023·Granted Dec 9, 2025·0 cites·17 claims
- 2655US11447713B2Hyperbranched polyesters and their use as wax inhibitor, as pour point depressant, as lubricant or in lubricating oilsBASF SE·Filed 2019·Granted Sep 20, 2022·0 cites·20 claims
- 2754US9677144B2Crude juice purification with reduced lime consumptionSUDZUCKER AG MANNHEIM/OCHSENFURT·Filed 2015·Granted Jun 13, 2017·0 cites·8 claims
- 2854US8568812B2Low-emission drying of sugar beet chipsRAD MOHSEN AJDARI·Filed 2007·Granted Oct 29, 2013·0 cites·16 claims
- 2954US8507613B2Process for the alkoxylation of amino group containing polymersBOECKH DIETER·Filed 2008·Granted Aug 13, 2013·0 cites·19 claims
- 3052US2010273907A1Modified open-cell foams and process for their productionBASF SE CARL BOSCH STRASSE GVX·Filed 2007·Application pending·0 cites
- 3152US2010168260A1Porous materials and process for their productionBASF SE·Filed 2007·Application pending·0 cites
- 3251US2010294313A1Use of modified open-cell foam materials in vacuum cleanersBASF SE·Filed 2007·Application pending·0 cites
- 3351US2010005610A1Modified open-cell foam materials and use thereof in vacuum cleanersBASF SE·Filed 2007·Application pending·0 cites
- 3451US2010313911A1Use of open-cell foams in vacuum cleanersBASF SE·Filed 2007·Application pending·0 cites
- 3549US11274180B2Use of hydrophobically modified polyalkanolamines as wax inhibitors, pour point depressant and additive for lubricantsBASF SE·Filed 2018·Granted Mar 15, 2022·0 cites·19 claims
- 3649US8163091B2Extraction of ingredients from biological materialFRENZEL STEFAN·Filed 2003·Granted Apr 24, 2012·2 cites·26 claims
- 3748US2008194706A1Modified Open-Cell Foams and Method for Production ThereofBASF AG·Filed 2005·Application pending·0 cites
- 3848US2008153931A1Hyperbranched Polymers for Use as Demulsifiers for Cracking Crude Oil EmulsionsBASF AG·Filed 2006·Application pending·0 cites
- 3948US2021017341A1Hyperbranched polyethers and their use, especially as pour point depressant and wax inhibitorsBASF SE·Filed 2019·Application pending·0 cites
- 4047US7256166B2Laundry articlesPROCTER & GAMBLE·Filed 2003·Granted Aug 14, 2007·2 cites·13 claims
- 4147US2008149137A1Method For Cleaning SurfacesBASF AG·Filed 2006·Application pending·0 cites
- 4246US9133528B2Raw juice alkalinizationFRENZEL STEFAN·Filed 2008·Granted Sep 15, 2015·0 cites·17 claims
- 4346US2008139433A1Mixtures And Method For Cleaning SurfacesBASF AG·Filed 2006·Application pending·0 cites
- 4446US2008300329A1Modified Open-Cell Foams, and Method for the Production ThereofBASF AG·Filed 2005·Application pending·0 cites
- 4545US8157917B2Thermal conduction during alkaline extractionARNOLD JOCHEN·Filed 2006·Granted Apr 17, 2012·0 cites·17 claims
- 4645US2008194714A1Method For Producing WorkpiecesBASF AG·Filed 2006·Application pending·0 cites
- 4742US7470654B2Composition comprising a surface deposition enhancing cyclic anime-based cationic polymerPROCTER & GAMBLE·Filed 2005·Granted Dec 30, 2008·0 cites·19 claims
- 4841US2004149411A1Wet-strength finishing agents for paperFiled 2002·Application pending·0 cites
- 4940US9410215B2Colloid product, method for producing same and use thereofAJDARI RAD MOHSEN·Filed 2011·Granted Aug 9, 2016·0 cites·18 claims
- 5039US2015175872A1Process For Dissolving Deposits Comprising Alkaline Earth Metal SulfatesBASF SE·Filed 2013·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Stefan Frenzel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →