Inventor · disambiguated record
Ulrich Riegel
Also filed as: RIEGEL ULRICH
65 granted patents·19 pending applications·3,335 citations·filing 1980–2015
99Inventor score
Top patents by PatentIndex Score
84 records- 0198US7687596B2(Meth)acrylic acid esters of alkyoxylated unsaturated polyol ethers, and production thereofBASF AG·Filed 2004·Granted Mar 30, 2010·110 cites·17 claims
- 0298US7652111B2(Meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereofBASF AG·Filed 2004·Granted Jan 26, 2010·106 cites·17 claims
- 0398US7183360B2Method for crosslinking hydrogels with morpholine-2,3-dionesBASF AG·Filed 2002·Granted Feb 27, 2007·188 cites·13 claims
- 0498US6657015B1Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazinesBASF AG·Filed 1999·Granted Dec 2, 2003·205 cites·16 claims
- 0598US6559239B1Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinonesBASF AG·Filed 1999·Granted May 6, 2003·223 cites·14 claims
- 0698US6472478B1Process for crosslinking hydrogels with bis- and poly-2- oxazolidinonesBASF AG·Filed 1999·Granted Oct 29, 2002·230 cites·15 claims
- 0798US6414214B1Mechanically stable hydrogel-forming polymersBASF AG·Filed 1999·Granted Jul 2, 2002·248 cites·29 claims
- 0897US8236715B2Absorbent structure with improved water-absorbing materialSCHMIDT MATTIAS·Filed 2007·Granted Aug 7, 2012·111 cites·11 claims
- 0997US6503979B1Method for cross-linking hydrogels with bis- and poly-2-oxazolidinonesBASF AG·Filed 1998·Granted Jan 7, 2003·173 cites·15 claims
- 1096US5731365AHydrophilic, highly swellable hydrogelsHOECHST AG·Filed 1995·Granted Mar 24, 1998·153 cites·10 claims
- 1196US4309523AWater-soluble copolymer of acrylamidomethylpropanesulfonic acids saltsCASSELLA FARBWERKE MAINKUR AG·Filed 1980·Granted Jan 5, 1982·83 cites·4 claims
- 1295US6849665B2Absorbent compositionsBASF AG·Filed 2001·Granted Feb 1, 2005·99 cites·15 claims
- 1395US5331059AHydrophilic, highly swellable hydrogelsCASSELLA FARBWERKE MAINKUR AG·Filed 1992·Granted Jul 19, 1994·203 cites·23 claims
- 1494US7199211B2(Meth)acrylic esters of polyalkoxylated trimethylolpropaneBASF AG·Filed 2003·Granted Apr 3, 2007·140 cites·31 claims
- 1593US8518539B2Absorbent structures comprising post-crosslinked water-absorbent articlesMEYER AXEL·Filed 2011·Granted Aug 27, 2013·25 cites·25 claims
- 1693US7772420B2(Meth)acrylic esters of monoalkoxylated polyols, and production thereofBASF AG·Filed 2004·Granted Aug 10, 2010·112 cites·15 claims
- 1793US7405321B2(Meth)acrylic ester of alkenylene glycols and the use thereofBASF AG·Filed 2004·Granted Jul 29, 2008·31 cites·35 claims
- 1893US5973014AProcess for the preparation of porous, hydrophilic, highly swellable hydrogelsFiled 1997·Granted Oct 26, 1999·88 cites·15 claims
- 1992US7259212B2(Meth)acrylic esters of polyalkoxylated trimethylolpropaneBASF AG·Filed 2003·Granted Aug 21, 2007·42 cites·27 claims
- 2089US7754822B2Method for the secondary crosslinking of hydrogels with bicyclic amide acetalsBASF AG·Filed 2004·Granted Jul 13, 2010·98 cites·12 claims
- 2189US7420013B2Mixtures of compounds comprising at least two double bonds and use thereofBASF AG·Filed 2004·Granted Sep 2, 2008·33 cites·37 claims
- 2289US6831122B2Water-absorbing agent, method for the production and the utilization thereofBASF AG·Filed 2002·Granted Dec 14, 2004·26 cites·25 claims
- 2388US8258223B2Postcrosslinking of water-absorbing polymersRIEGEL ULRICH·Filed 2011·Granted Sep 4, 2012·5 cites·21 claims
- 2488US4500437AWater soluble copolymers for use in fracture-acidizing of wellsCASSELLA FARBWERKE MAINKUR AG·Filed 1982·Granted Feb 19, 1985·48 cites·9 claims
- 2584US7981969B2Postcrosslinking of water-absorbing polymersBASF AG·Filed 2005·Granted Jul 19, 2011·6 cites·9 claims
- 2684US7629428B2Method for producing polymersBASF AG·Filed 2005·Granted Dec 8, 2009·7 cites·15 claims
- 2784US7553903B2Swellable hydrogel-forming polymers having a low fraction of finesBASF AG·Filed 2004·Granted Jun 30, 2009·43 cites·19 claims
- 2883US5011892AHydrophilic swellable graft copolymers, their preparation and useCASSELLA AG·Filed 1990·Granted Apr 30, 1991·38 cites·14 claims
- 2982US5041496AHydrophilic, swellable graft copolymers, their preparation and useCASSELLA AG·Filed 1990·Granted Aug 20, 1991·40 cites·17 claims
- 3082US4749758AProcess for the preparation of copolymers of vinylphosphonic acid and (meth) acrylic acid in aqueous solutionHOECHST AG·Filed 1986·Granted Jun 7, 1988·34 cites·7 claims
- 3181US4357245AWater-soluble copolymer and its preparationCASSELLA FARBWERKE MAINKUR AG·Filed 1981·Granted Nov 2, 1982·30 cites·2 claims
- 3280US5510436AWater-soluble copolymers useful in drilling fluidsHOECHST AG·Filed 1994·Granted Apr 23, 1996·37 cites·22 claims
- 3380US4587283ACement slurries for deep holes, with a copolymer content for reducing the water lossHOECHST AG·Filed 1985·Granted May 6, 1986·36 cites·4 claims
- 3479US8287999B2Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidantSCHMIDT MATTIAS·Filed 2007·Granted Oct 16, 2012·8 cites·18 claims
- 3579US5066745AAlkenylphosphonic and --phosphinic acid esters, process for their preparation, hydrogels produced using them, and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1990·Granted Nov 19, 1991·18 cites·3 claims
- 3679US4959441AAlkenylphosphonic and -phosphinic acid esters, process for their preparation, hydrogels produced using them, and their useCASSELLA FARBWERKE MAINKUR AG·Filed 1989·Granted Sep 25, 1990·12 cites·2 claims
- 3773US5945495AUse of surfactants in the drying of hydrophilic highly swellable hydrogelsBASF CORP·Filed 1997·Granted Aug 31, 1999·29 cites·13 claims
- 3873US5489647AHydrophilic, swellable graft polymersCASSELLA FARBWERKE MAINKUR AG·Filed 1992·Granted Feb 6, 1996·24 cites·13 claims
- 3971US7947771B2Insoluble metal sulfates in water absorbing polymeric particlesBASF AG·Filed 2005·Granted May 24, 2011·2 cites·13 claims
- 4071US5684104AWater-swellable hydrophilic polymersCASSELLA·Filed 1996·Granted Nov 4, 1997·26 cites·19 claims
- 4169US7655733B2Postcrosslinking of water absorbing polymers with cyclic carbamates and/or cyclic ureasBASF AG·Filed 2005·Granted Feb 2, 2010·1 cites·6 claims
- 4266US9738769B2Water-absorbing polymer particles with high free swell rate and high permeabilityBASF SE·Filed 2013·Granted Aug 22, 2017·0 cites·8 claims
- 4366US8026315B2Production of water-absorbing polymeric particlesBASF AG·Filed 2006·Granted Sep 27, 2011·1 cites·17 claims
- 4464US9587081B2Water-absorbing polymer particles with high free swell rate and high permeabilityBASF SE·Filed 2015·Granted Mar 7, 2017·0 cites·15 claims
- 4563US8003728B2Swellable hydrogel-forming polymers having high permeabilityBASF AG·Filed 2005·Granted Aug 23, 2011·7 cites·22 claims
- 4661US7714061B2Postcrosslinking of water absorbing polymeric particlesBASF AG·Filed 2005·Granted May 11, 2010·6 cites·8 claims
- 4760US4551513AWater soluble copolymersCASSELLA FARBWERKE MAINKUR AG·Filed 1984·Granted Nov 5, 1985·12 cites·17 claims
- 4859US5278206ABinder for liquidsCASSELLA FARBWERKE MAINKUR AG·Filed 1992·Granted Jan 11, 1994·21 cites·16 claims
- 4958US2011118114A1Color stable superabsorbentBASF SE·Filed 2009·Application pending·0 cites
- 5057US8688478B2Computer-based system and method for calculating an estimated risk premiumBREDL HARALD·Filed 2005·Granted Apr 1, 2014·2 cites·17 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →