Herfert; Norbert

Patent Applications and Registrations

Patent applications and USPTO patent grants for Herfert; Norbert.The latest application filed is for "thin fluid absorbent core-absorbent paper".

Company Profile

4.53.68

Herfert; Norbert - Shanghai CN
Herfert; Norbert - Altenstadt DE
Herfert; Norbert - Charlotte NC
Herfert; Norbert - D-65926 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
Thin Fluid Absorbent Core-absorbent Paper App 20220071818 - Bauer; Stephan ; et al.	2022-03-10
Process For Producing Long-term Color Stable Superabsorbent Polymer Particles App 20210354108 - Baumann; Katrin ; et al.	2021-11-18
Process for producing surface-postcrosslinked water-absorbent polymer particles Grant 11,142,614 - Daniel , et al. October 12, 2	2021-10-12
Feminine Hygiene Absorbent Article App 20210298962 - Ge; Hui ; et al.	2021-09-30
Fluid-absorbent Core App 20210290453 - Ge; Hui ; et al.	2021-09-23
Super Absorber App 20210187479 - Hartnagel; Kristine ; et al.	2021-06-24
Thin Fluid Absorbent Core-absorbent Paper App 20210169709 - Bauer; Stephan ; et al.	2021-06-10
Process for Producing Superabsorbents App 20210121852 - Herfert; Norbert ; et al.	2021-04-29
Ultrathin fluid-absorbent article Grant 10,806,640 - Herfert , et al. October 20, 2	2020-10-20
Process For Producing Surface- Postcrosslinked Water-absorbent Polymer Particles App 20190135993 - Daniel; Thomas ; et al.	2019-05-09
Process for producing superabsorbents Grant 10,226,753 - Herfert , et al.	2019-03-12
Process for producing surface-postcrosslinked water-absorbent polymer particles Grant 10,208,170 - Daniel , et al. Feb	2019-02-19
Process For Producing Superabsorbents App 20180200691 - Herfert; Norbert ; et al.	2018-07-19
Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Grant 9,944,739 - Daniel , et al. April 17, 2	2018-04-17
Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Grant 9,914,112 - Bauer , et al. March 13, 2	2018-03-13
Process For Producing Water-absorbent Polymer Particles By Polymerizing Droplets Of A Monomer Solution App 20170320983 - Daniel; Thomas ; et al.	2017-11-09
Fluid-absorbent Article App 20170312148 - Dobrosielska-Oura; Katarzyna ; et al.	2017-11-02
Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Grant 9,790,304 - Daniel , et al. October 17, 2	2017-10-17
Fluid-absorbent Article App 20170281425 - Herfert; Norbert ; et al.	2017-10-05
Ultrathin Fluid-absorbent Article App 20170281422 - Herfert; Norbert ; et al.	2017-10-05
Process For Producing Water-absorbent Polymer Particles By Polymerizing Droplets Of A Monomer Solution App 20160332140 - Bauer; Stephan ; et al.	2016-11-17
A Process For Producing Water-absorbent Polymer Particles By Polymerizing Droplets Of A Monomer Solution App 20160272745 - Daniel; Thomas ; et al.	2016-09-22
Method for removal of residual monomers from water-absorbing polymer particles Grant 9,434,802 - Bauer , et al. September 6, 2	2016-09-06
Method for the restabilization of (meth)acrylic monomers Grant 9,422,221 - Herfert , et al. August 23, 2	2016-08-23
Method for Removal of Residual Monomers from Water-Absorbing Polymer Particles App 20150322188 - Bauer; Stephan ; et al.	2015-11-12
Process For Producing Surface- Postcrosslinked Water-absorbent Polymer Particles App 20150299404 - Daniel; Thomas ; et al.	2015-10-22
Water-absorbent polymer particles Grant 9,073,040 - Dobrawa , et al. July 7, 2	2015-07-07
Method for producing permeable water-absorbing polymer particles through polymerization of drops of a monomer solution Grant 8,865,828 - Daniel , et al. October 21, 2	2014-10-21
Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof Grant 8,852,742 - Herfert , et al. October 7, 2	2014-10-07
Color-stable superabsorber Grant 8,815,770 - Elliott , et al. August 26, 2	2014-08-26
Process for producing water absorbing polymer particles with improved color stability Grant 8,703,876 - Herfert , et al. April 22, 2	2014-04-22
Process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure Grant 8,618,206 - Daniel , et al. December 31, 2	2013-12-31
Water-absorbent Polymer Particles App 20130281594 - Dobrawa; Rainer ; et al.	2013-10-24
Hydrogels absorbing aqueous fluids Grant 8,552,071 - Daniel , et al. October 8, 2	2013-10-08
Color-Stable Superabsorbent App 20130256593 - Herfert; Norbert ; et al.	2013-10-03
Color-Stable Superabsorbent App 20130260988 - Herfert; Norbert ; et al.	2013-10-03
Process for Thermal Postcrosslinking in a Drum Heat Exchanger with an Inverse Screw Helix App 20130260032 - Barthel; Holger ; et al.	2013-10-03
Process for producing water-absorbing polymer particles with improved color stability Grant 8,497,337 - Herfert , et al. July 30, 2	2013-07-30
Process for Producing Water-Absorbing Polymer Particles with Low Caking Tendency and High Absorption under Pressure App 20130187089 - Daniel; Thomas ; et al.	2013-07-25
Water-absorbent porous polymer particles having specific sphericity and high bulk density Grant 8,481,159 - Dobrawa , et al. July 9, 2	2013-07-09
Process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution Grant 8,450,428 - Daniel , et al. May 28, 2	2013-05-28
Superabsorbent Comprising Pyrogenic Aluminum Oxide App 20130130895 - Herfert; Norbert ; et al.	2013-05-23
Process for producing water-absorbing polymer particles with low caking tendency and high absorption under pressure Grant 8,410,221 - Daniel , et al. April 2, 2	2013-04-02
Process for metering superabsorbents Grant 8,371,475 - Herfert , et al. February 12, 2	2013-02-12
Process for Producing Water-Absorbing Polymer Particles App 20120202959 - Herfert; Norbert ; et al.	2012-08-09
Color-Stable Superabsorber App 20120178621 - Elliott; Mark ; et al.	2012-07-12
Process for Producing Water-Absorbing Polymer Particles with Low Caking Tendency and High Absorption under Pressure App 20120091392 - Daniel; Thomas ; et al.	2012-04-19
Method For The Restabilization Of (meth)acrylic Monomers App 20120074354 - Herfert; Norbert ; et al.	2012-03-29
Water-Absorbing Polymer Particles with Improved Color Stability App 20110303872 - Herfert; Norbert ; et al.	2011-12-15
Process for Producing Water-Absorbing Polymer Particles App 20110257340 - Herfert; Norbert ; et al.	2011-10-20
Process for Producing Water-Absorbent Polymer Particles by Polymerizing Droplets of a Monomer Solution App 20110237754 - Daniel; Thomas ; et al.	2011-09-29
Process for Producing Water Absorbent Polymer Particles by Polymerizing Droplets of a Monomer Solution App 20110223413 - Herfert; Norbert ; et al.	2011-09-15
Method For Producing Permeable Water-absorbing Polymer Particles Through Polymerization Of Drops Of A Monomer Solution App 20110224361 - Daniel; Thomas ; et al.	2011-09-15
Process for Producing Water Absorbing Polymer Particles with Improved Color stability App 20110224381 - Herfert; Norbert ; et al.	2011-09-15
Superabsorbents having superior permeability and conveying properties Grant 8,017,549 - Herfert , et al. September 13, 2	2011-09-13
Process for Producing Water-Absorbing Polymer Particles with Improved Color Stability App 20110121230 - Herfert; Norbert ; et al.	2011-05-26
Color Stable Superabsorbent App 20110118114 - Riegel; Ulrich ; et al.	2011-05-19
Acidic superabsorbent hydrogels Grant 7,915,363 - Funk , et al. March 29, 2	2011-03-29
Water-Absorbent Polymer Particles App 20110059329 - Dobrawa; Rainer ; et al.	2011-03-10
Process for Preparing Superabsorbents App 20110001087 - Hillebrecht; Annemarie ; et al.	2011-01-06
Process for Producing Re-Moisturised Surface-Crosslinked Superabsorbents App 20100323885 - Herfert; Norbert ; et al.	2010-12-23
Process for Producing Surface Crosslinked Superabsorbents App 20100261604 - Herfert; Norbert ; et al.	2010-10-14
Acidic superabsorbent hydrogels Grant 7,790,823 - Funk , et al. September 7, 2	2010-09-07
Process for Metering Superabsorbents App 20100206897 - Herfert; Norbert ; et al.	2010-08-19
Superabsorbents Having Superior Permeability and Conveying Properties App 20100093949 - Herfert; Norbert ; et al.	2010-04-15
Polyamine-Coated Superabsorbent Polymers App 20100063469 - Herfert; Norbert	2010-03-11
Plasticized superabsorbent polymer sheets and use thereof in hygienic articles Grant 7,662,460 - Herfert , et al. February 16, 2	2010-02-16
Polyamine Coated Superabsorbent Polymers Having Transient Hydrophobicity App 20100010461 - Herfert; Norbert ; et al.	2010-01-14
Superabsorbent Polymers Having Superior Gel Integrity, Absorption Capacity, and Permeability App 20090204087 - Herfert; Norbert ; et al.	2009-08-13
Color-stable superabsorbent polymer composition Grant 7,528,291 - Herfert , et al. May 5, 2	2009-05-05
Color-stable superabsorbent polymer composition Grant 7,504,551 - Herfert , et al. March 17, 2	2009-03-17
Process for Preparing Water-Absorbing Polymers with High Absorption Capacity and High Permeability App 20080281049 - Wendker; Martin ; et al.	2008-11-13
Polyamine-Coated Superabsorbent Polymers App 20080221237 - Herfert; Norbert ; et al.	2008-09-11
Polyamine-Coated Superabsorbent Polymers App 20080187755 - Herfert; Norbert ; et al.	2008-08-07
Acidic Superabsorbent Hydrogels App 20080166410 - Funk; Rudiger ; et al.	2008-07-10
Crosslinked polyamine coating on superabsorbent hydrogels Grant 7,396,584 - Azad , et al. July 8, 2	2008-07-08
Polyamine-Coated Superabsorbent Polymers App 20080114129 - Herfert; Norbert ; et al.	2008-05-15
Absorbent articles comprising superabsorbent polymers having superior properties App 20080058747 - Singh Kainth; Arvinder Pal ; et al.	2008-03-06
Superabsorbent Polymer Particles Having a Reduced Amount of Fine-Sized Particles, and Methods of Manufacturing the Same App 20080045916 - Herfert; Norbert ; et al.	2008-02-21
Superabsorbent polymers and method of manufacturing the same Grant 7,329,701 - Herfert , et al. February 12, 2	2008-02-12
Acidic superabsorbent hydrogels App 20070149716 - Funk; Rudiger ; et al.	2007-06-28
Polymer mixture of hydrogels with different pH value Grant 7,144,957 - Funk , et al. December 5, 2	2006-12-05
Color-stable superabsorbent polymer composition App 20060252913 - Herfert; Norbert ; et al.	2006-11-09
Absorbent articles comprising polyamine-coated superabsorbent polymers App 20060173433 - Laumer; Jason Matthew ; et al.	2006-08-03
Absorbent articles comprising polyamine-coated superabsorbent polymers App 20060173432 - Laumer; Jason Matthew ; et al.	2006-08-03
Absorbent articles comprising polyamine-coated superabsorbent polymers App 20060173431 - Laumer; Jason Matthew ; et al.	2006-08-03
Color-stable superabsorbent polymer composition App 20060089611 - Herfert; Norbert ; et al.	2006-04-27
Superabsorbent polymers and method of manufacturing the same App 20050245393 - Herfert, Norbert ; et al.	2005-11-03
Superabsorbent polymers and method of manufacturing the same App 20050239942 - Herfert, Norbert ; et al.	2005-10-27
Acidic superabsorbent hydrogels App 20050234413 - Funk, Rudiger ; et al.	2005-10-20
Plasticized superabsorbent polymer sheets and use thereof in hygienic articles App 20050153123 - Herfert, Norbert ; et al.	2005-07-14
Absorbent compositions Grant 6,849,665 - Frenz , et al. February 1, 2	2005-02-01
Crosslinked polyamine coating on superabsorbent hydrogels App 20050013992 - Azad, Michael M ; et al.	2005-01-20
Highly swellable hydrogels with acid centers App 20040249079 - Funk, Rudiger ; et al.	2004-12-09
Hydrophilic open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products Grant 6,828,354 - Hahnle , et al. December 7, 2	2004-12-07
Hydrophilic, open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products Grant 6,800,666 - Hahnle , et al. October 5, 2	2004-10-05
Acidic superabsorbent hydrogels App 20040180189 - Funk, Rudiger ; et al.	2004-09-16
Hydrophilic, open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products App 20040097609 - Hahnle, Hans-Joachim ; et al.	2004-05-20
Hydrophilic open-cell, elastic foams with a melamine/formaldehyde resin base, production thereof and use thereof in hygiene products App 20040039074 - Hahnle, Hans-Joachim ; et al.	2004-02-26
Complete drying method for hydrogels Grant 6,641,064 - Dentler , et al. November 4, 2	2003-11-04
Hydrophilic hydrogels with a high swelling capacity and method for producing and using them Grant 6,602,950 - Dentler , et al. August 5, 2	2003-08-05
Method for producing water-swellable hydorphilic polymers, said polymers and use thereof Grant 6,565,768 - Dentler , et al. May 20, 2	2003-05-20
Absorbent compositions App 20020165288 - Frenz, Volker ; et al.	2002-11-07
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
Crosslinked, hydrophilic, highly swellable hydrogels, production thereof and use thereof Grant 6,297,335 - Funk , et al. October 2, 2	2001-10-02
Water-swellable, hydrophilic polymer compositions Grant 6,107,432 - Engelhardt , et al. August 22, 2	2000-08-22
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 5,840,321 - Engelhardt , et al. November 24, 1	1998-11-24
Hydrophilic, highly swellable hydrogels Grant 5,731,365 - Engelhardt , et al. March 24, 1	1998-03-24

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.