Riegel; Ulrich

Patent Applications and Registrations

Patent applications and USPTO patent grants for Riegel; Ulrich.The latest application filed is for "water-absorbing polymer particles with high free swell rate and high permeability".

Company Profile

0.57.52

Riegel; Ulrich - Landstuhl DE
Riegel; Ulrich - Munich N/A DE
Riegel; Ulrich - Frankfurt N/A DE
Riegel; Ulrich - Munchen DE
Riegel; Ulrich - D-65926 Frankfurt am Main DE
Riegel; Ulrich - Frankfurt am Main DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Water-absorbing polymer particles with high free swell rate and high permeability Grant 9,738,769 - Weismantel , et al. August 22, 2	2017-08-22
Water-absorbing polymer particles with high free swell rate and high permeability Grant 9,587,081 - Weismantel , et al. March 7, 2	2017-03-07
Water-absorbing Polymer Particles With High Free Swell Rate And High Permeability App 20160009889 - Weismantel; Matthias ; et al.	2016-01-14
Water-absorbing polymeric particles and method for the production thereof Grant 8,846,565 - Riegel , et al. September 30, 2	2014-09-30
Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking Grant 8,742,024 - Bruhns , et al. June 3, 2	2014-06-03
Computer-based system and method for calculating an estimated risk premium Grant 8,688,478 - Bredl , et al. April 1, 2	2014-04-01
Process for producing water-absorbing polymer particles Grant 8,653,215 - Weismantel , et al. February 18, 2	2014-02-18
Hydrogels absorbing aqueous fluids Grant 8,552,071 - Daniel , et al. October 8, 2	2013-10-08
Absorbent structures comprising post-crosslinked water-absorbent articles Grant 8,518,539 - Meyer , et al. August 27, 2	2013-08-27
Water-Absorbing Polymer Particles with High Free Swell Rate and High Permeability App 20130210947 - Weismantel; Matthias ; et al.	2013-08-15
Water-Absorbing Polymeric Particles and Method for the Production Thereof App 20130207037 - Daniel; Thomas ; et al.	2013-08-15
Process for Producing Water-Absorbing Polymer Particles App 20120302714 - Weismantel; Matthias ; et al.	2012-11-29
Method for producing white and color-stable water-absorbing polymer particles having high absorbency and high saline flow conductivity Grant 8,314,173 - Riegel , et al. November 20, 2	2012-11-20
Absorbent structure with improved water-absorbing material comprising polyurethane, coalescing aid and antioxidant Grant 8,287,999 - Schmidt , et al. October 16, 2	2012-10-16
Postcrosslinking of water-absorbing polymers Grant 8,258,223 - Riegel , et al. September 4, 2	2012-09-04
Absorbent structure with improved water-absorbing material Grant 8,236,715 - Schmidt , et al. August 7, 2	2012-08-07
Absorbent Structures Comprising Post-Crosslinked Water-Absorbent Articles App 20120101459 - Meyer; Axel ; et al.	2012-04-26
Postcrosslinking of Water-Absorbing Polymers App 20110257341 - Riegel; Ulrich ; et al.	2011-10-20
Production of water-absorbing polymeric particles Grant 8,026,315 - Riegel , et al. September 27, 2	2011-09-27
Mixture of Surface Postcrosslinked Superabsorbers with Different Surface Postcrosslinking App 20110224379 - Bruhns; Stefan ; et al.	2011-09-15
Swellable hydrogel-forming polymers having high permeability Grant 8,003,728 - Riegel , et al. August 23, 2	2011-08-23
Postcrosslinking of water-absorbing polymers Grant 7,981,969 - Riegel , et al. July 19, 2	2011-07-19
Insoluble metal sulfates in water absorbing polymeric particles Grant 7,947,771 - Riegel , et al. May 24, 2	2011-05-24
Color Stable Superabsorbent App 20110118114 - Riegel; Ulrich ; et al.	2011-05-19
Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity App 20110042612 - Riegel; Ulrich ; et al.	2011-02-24
(Meth)acrylic esters of monoalkoxylated polyols, and production thereof Grant 7,772,420 - Hermeling , et al. August 10, 2	2010-08-10
Water-Absorbing Polymeric Particles and Method for the Production Thereof App 20100190932 - Riegel; Ulrich ; et al.	2010-07-29
Water-Absorbing Polymeric Particles and Method for the Production Thereof App 20100184594 - Riegel; Ulrich ; et al.	2010-07-22
Fine-grained water-absorbent particles with a high fluid transport and absorption capacity Grant 7,759,422 - Riegel , et al. July 20, 2	2010-07-20
Method for the secondary crosslinking of hydrogels with bicyclic amide acetals Grant 7,754,822 - Daniel , et al. July 13, 2	2010-07-13
Postcrosslinking of water absorbing polymeric particles Grant 7,714,061 - Riegel , et al. May 11, 2	2010-05-11
(Meth)acrylic acid esters of alkyoxylated unsaturated polyol ethers, and production thereof Grant 7,687,596 - Hermeling , et al. March 30, 2	2010-03-30
Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity App 20100041550 - Riegel; Ulrich ; et al.	2010-02-18
Postcrosslinking of water absorbing polymers with cyclic carbamates and/or cyclic ureas Grant 7,655,733 - Exner , et al. February 2, 2	2010-02-02
(Meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereof Grant 7,652,111 - Hermeling , et al. January 26, 2	2010-01-26
Method for producing polymers Grant 7,629,428 - Daniel , et al. December 8, 2	2009-12-08
Swellable hydrogel-forming polymers having a low fraction of fines Grant 7,553,903 - Riegel , et al. June 30, 2	2009-06-30
Absorbent Article Comprising Water-Absorbing Polymeric Particles And Method For The Production Thereof App 20090029044 - Daniel; Thomas ; et al.	2009-01-29
Absorbent Article Comprising Water-Absorbing Polymeric Particles And Method For The Production Thereof App 20090030155 - Daniel; Thomas ; et al.	2009-01-29
Process for Production of a Water-Absorbing Material App 20090012486 - Riegel; Ulrich ; et al.	2009-01-08
Mixtures of compounds comprising at least two double bonds and use thereof Grant 7,420,013 - Riegel , et al. September 2, 2	2008-09-02
Process For Producing a Water-Absorbing Matieral Having a Coating of Elastic Film-Forming Polymers App 20080200331 - Daniel; Thomas ; et al.	2008-08-21
Water-Absorbing Material Having a Coating of Elastic Film-Forming Polymers App 20080187756 - Riegel; Ulrich ; et al.	2008-08-07
(Meth)acrylic ester of alkenylene glycols and the use thereof Grant 7,405,321 - Riegel , et al. July 29, 2	2008-07-29
Postcrosslining of Water Absorbing Polymers With Cyclic Carbamates and/or Cyclic Ureas App 20080171837 - Exner; Kai Michael ; et al.	2008-07-17
Computer-Based System and Method for Calculating an Estimated Risk Premium App 20080167905 - Bredl; Harald ; et al.	2008-07-10
Production of Water-Absorbing Polymeric Particles App 20080161522 - Riegel; Ulrich ; et al.	2008-07-03
Water Swellable Material App 20080161499 - Riegel; Ulrich ; et al.	2008-07-03
Process for Producing a Water-Absorbing Material Having a Coating of Elastic Filmforming Polymers App 20080154224 - Daniel; Thomas ; et al.	2008-06-26
Fine-Grained Water-Absorbent Particles With a High Fluid Transport and Absorption Capacity App 20080125533 - Riegel; Ulrich ; et al.	2008-05-29
Process For Producing a Water-Absorbing Material Having a Coating of Elastic Filmforming Polymers App 20080124551 - Daniel; Thomas ; et al.	2008-05-29
Method for Producing Polymers App 20080114140 - Daniel; Thomas ; et al.	2008-05-15
Absorbent structure with improved water-absorbing material App 20080032035 - Schmidt; Mattias ; et al.	2008-02-07
Absorbent structure with improved water-absorbing material App 20080027402 - Schmidt; Mattias ; et al.	2008-01-31
Postcrosslinking of Water Absorbing Polymeric Particles App 20070293632 - Riegel; Ulrich ; et al.	2007-12-20
Insoluble Metal Sulfates in Water Absorbing Polymeric Particles App 20070293617 - Riegel; Ulrich ; et al.	2007-12-20
Swellable Hydrogel-Forming Polymers Having High Permeability App 20070244283 - Riegel; Ulrich ; et al.	2007-10-18
(Meth)acrylic esters of polyalkoxylated trimethylolpropane Grant 7,259,212 - Popp , et al. August 21, 2	2007-08-21
Postcrosslinking of water-absorbing polymers App 20070161759 - Riegel; Ulrich ; et al.	2007-07-12
Method for the production of (meth)acrylic acid esters App 20070129564 - Schwalm; Reinhold ; et al.	2007-06-07
Swellable hydrogel-forming polymers having a low fraction of fines App 20070106239 - Riegel; Ulrich ; et al.	2007-05-10
(Meth)acrylic esters of polyalkoxylated trimethylolpropane Grant 7,199,211 - Popp , et al. April 3, 2	2007-04-03
Method for crosslinking hydrogels with morpholine-2,3-diones Grant 7,183,360 - Daniel , et al. February 27, 2	2007-02-27
(Meth)acrylic acid esters of unsaturated aminoalcohols and preparation thereof App 20070043191 - Hermeling; Dieter ; et al.	2007-02-22
(Meth)acrylic ester of alkenylene glycols and the use thereof App 20060247377 - Riegel; Ulrich ; et al.	2006-11-02
Mixtures of compounds comprising at least two double bonds and use thereof App 20060235141 - Riegel; Ulrich ; et al.	2006-10-19
Method for the secondary crosslinking of hydrogels with bicyclic amide acetals App 20060211828 - Daniel; Thomas ; et al.	2006-09-21
Absorbent structure with improved water-swellable material App 20060177647 - Schmidt; Mattias ; et al.	2006-08-10
Absorbent structure with improved water-absorbing material App 20060178071 - Schmidt; Mattias ; et al.	2006-08-10
(Meth)acrylic acid esters of alkoxylated unsaturated polyol ethers, and production thereof App 20060167215 - Hermeling; Dieter ; et al.	2006-07-27
(Meth)acrylic esters of monoalkoxylated polyols, and production thereof App 20060155057 - Hermeling; Dieter ; et al.	2006-07-13
(Meth) acrylic esters of polyalkoxylated trimethylolpropane App 20060020078 - Popp; Andreas ; et al.	2006-01-26
Method for producing polymers App 20050245713 - Daniel, Thomas ; et al.	2005-11-03
Water absorbing agent and method for the production thereof App 20050245684 - Daniel, Thomas ; et al.	2005-11-03
(Meth)acrylic esters of polyalkoxylated trimethylolpropane App 20050215752 - Popp, Andreas ; et al.	2005-09-29
(Meth)acrylic esters of polyalkoxylated glycerine App 20050165208 - Popp, Andreas A ; et al.	2005-07-28
Absorbent compositions Grant 6,849,665 - Frenz , et al. February 1, 2	2005-02-01
Water-absorbing agent, method for the production and the utilization thereof Grant 6,831,122 - Daniel , et al. December 14, 2	2004-12-14
Method for crosslinking hydrogels with morpholine-2,3-diones App 20040231065 - Daniel, Thomas ; et al.	2004-11-25
Water-absorbing agent, method for the production and the utilization thereof App 20040077796 - Daniel, Thomas ; et al.	2004-04-22
Method for the secondary cross-linking of hydrogels with 2-oxotetrahydro-1,3-oxazines Grant 6,657,015 - Riegel , et al. December 2, 2	2003-12-02
Water absorbing polymer App 20030208020 - Daniel, Thomas ; et al.	2003-11-06
Method for the secondary cross-linking of hydrogels with N-acyl-2-oxazolidinones Grant 6,559,239 - Riegel , et al. May 6, 2	2003-05-06
Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones Grant 6,503,979 - Funk , et al. January 7, 2	2003-01-07
Absorbent compositions App 20020165288 - Frenz, Volker ; et al.	2002-11-07
Process for crosslinking hydrogels with bis- and poly-2- oxazolidinones Grant 6,472,478 - Funk , et al. October 29, 2	2002-10-29
Hydrogels App 20020128618 - Frenz, Volker ; et al.	2002-09-12
Mechanically stable hydrogel-forming polymers Grant 6,414,214 - Engelhardt , et al. July 2, 2	2002-07-02
Process for the preparation of porous, hydrophilic, highly swellable hydrogels Grant 5,973,014 - Funk , et al. October 26, 1	1999-10-26
Hydrophilic, highly swellable hydrogels Grant 5,731,365 - Engelhardt , et al. March 24, 1	1998-03-24
Water-swellable hydrophilic polymers Grant 5,684,104 - Funk , et al. November 4, 1	1997-11-04
Low-dusting pulverulent hydrophilic polymers Grant 5,681,878 - Klotzsche , et al. October 28, 1	1997-10-28
Water-soluble copolymers useful in drilling fluids Grant 5,510,436 - Hille , et al. April 23, 1	1996-04-23
Hydrophilic, highly swellable hydrogels Grant 5,331,059 - Engelhardt , et al. * July 19, 1	1994-07-19
Binder for liquids Grant 5,278,206 - Gobel , et al. January 11, 1	1994-01-11
Alkenylphosphonic and --phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use Grant 5,066,745 - Engelhardt , et al. November 19, 1	1991-11-19
Hydrophilic swellable graft copolymers, their preparation and use Grant 5,011,892 - Engelhardt , et al. April 30, 1	1991-04-30
Alkenylphosphonic and -phosphinic acid esters, process for their preparation, hydrogels produced using them, and their use Grant 4,959,441 - Engelhardt , et al. September 25, 1	1990-09-25
Cement slurries for deep holes, with a copolymer content for reducing the water loss Grant 4,587,283 - Hille , et al. May 6, 1	1986-05-06
Water soluble copolymers for use in fracture-acidizing of wells Grant 4,500,437 - Engelhardt , et al. February 19, 1	1985-02-19
Water-soluble copolymer and its preparation Grant 4,357,245 - Engelhardt , et al. November 2, 1	1982-11-02
Water-soluble copolymer of acrylamidomethylpropanesulfonic acids salts Grant 4,309,523 - Engelhardt , et al. January 5, 1	1982-01-05

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