Patent | Date |
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Continuous Process For Preparing Methacrolein App 20210363089 - Lygin; Alexander ;   et al. | 2021-11-25 |
Method for producing methylmethacrylate Grant 10,766,847 - Krill , et al. Sep | 2020-09-08 |
Method for producing methylmethacrylate Grant 10,457,626 - Krill , et al. Oc | 2019-10-29 |
Method for producing methylmethacrylate Grant 10,273,201 - Krill , et al. | 2019-04-30 |
Method For Producing Methylmethacrylate App 20190112255 - KRILL; Steffen ;   et al. | 2019-04-18 |
Method For Producing Methylmethacrylate App 20190077742 - KRILL; Steffen ;   et al. | 2019-03-14 |
Optimized process for preparing methacrylic acid Grant 10,125,077 - Krill , et al. November 13, 2 | 2018-11-13 |
Optimized method for producing methacrolein Grant 9,994,507 - Burghardt , et al. June 12, 2 | 2018-06-12 |
Process for producing methyl methacrylate Grant 9,963,417 - Krill , et al. May 8, 2 | 2018-05-08 |
Method For Producing Methylmethacrylate App 20180050977 - Krill; Steffen ;   et al. | 2018-02-22 |
Method for producing methylmethacrylate Grant 9,890,105 - Krill , et al. February 13, 2 | 2018-02-13 |
Recirculation and disposal of aqueous catalyst solutions in amine catalytic processes Grant 9,816,703 - Krill , et al. November 14, 2 | 2017-11-14 |
Optimized Process For Preparing Methacrylic Acid App 20170305830 - KRILL; Steffen ;   et al. | 2017-10-26 |
Optimized Method For Producing Methacrolein App 20170275227 - BURGHARDT; Rudolf ;   et al. | 2017-09-28 |
Process for preparation of methacrylic acid and methacrylic acid esters Grant 9,732,023 - Balduf , et al. August 15, 2 | 2017-08-15 |
Process for preparing unsaturated esters proceeding from aldehydes by direct oxidative esterification Grant 9,617,199 - Krill , et al. April 11, 2 | 2017-04-11 |
Method of regulating the water content in a continuous method for producing methacrolein Grant 9,611,204 - Burghardt , et al. April 4, 2 | 2017-04-04 |
Method for producing methacrolein and the conditioning/draining thereof for direct oxidative esterification Grant 9,580,374 - Krill , et al. February 28, 2 | 2017-02-28 |
Tertiary Alkylamines As Methacrolein Synthesis Co-catalyst App 20160280624 - BURGHARDT; Rudolf ;   et al. | 2016-09-29 |
Process For Producing Methyl Methacrylate App 20160280628 - KRILL; Steffen ;   et al. | 2016-09-29 |
Process For Preparing Unsaturated Esters Proceeding From Aldehydes By Direct Oxidative Esterification App 20160251301 - KRILL; Steffen ;   et al. | 2016-09-01 |
Method For Producing Methacrolein And The Conditioning/draining Thereof For Direct Oxidative Esterification App 20160200660 - KRILL; Steffen ;   et al. | 2016-07-14 |
Method Of Regulating The Water Content In A Continuous Method For Producing Methacrolein App 20160159719 - BURGHARDT; Rudolf ;   et al. | 2016-06-09 |
Recirculation And Disposal Of Aqueous Catalyst Solutions In Amine Catalytic Processes App 20160138804 - KRILL; Steffen ;   et al. | 2016-05-19 |
Method For Producing Methylmethacrylate App 20160068464 - KRILL; Steffen ;   et al. | 2016-03-10 |
Process For Preparation Of Methacrylic Acid And Methacrylic Acid Esters App 20160031786 - BALDUF; Torsten ;   et al. | 2016-02-04 |
Use of a feed compositions in preparation of methacrylic acid by oxidation Grant 9,206,108 - Balduf December 8, 2 | 2015-12-08 |
Process for reclaiming methacrylic acid from a high-boiler phase and an aqueous phase Grant 9,162,962 - Schaefer , et al. October 20, 2 | 2015-10-20 |
Process for preparation of methyl methacrylate by esterification during oxidation Grant 8,829,235 - Balduf September 9, 2 | 2014-09-09 |
Process For Reclaiming Methacrylic Acid From A High-boiler Phase And An Aqueous Phase App 20140221687 - Schaefer; Henning ;   et al. | 2014-08-07 |
Preparation Of Methacrylic Acid App 20140187817 - Balduf; Torsten ;   et al. | 2014-07-03 |
Superabsorbent polymers and methods of making the same Grant 8,445,617 - Balduf , et al. May 21, 2 | 2013-05-21 |
Superabsorbent Polymers And Methods Of Making The Same App 20130072645 - Balduf; Torsten ;   et al. | 2013-03-21 |
Process for preparation of methyl metharylate using recycled methanol Grant 8,350,081 - Balduf January 8, 2 | 2013-01-08 |
Superabsorbent polymers and methods of making the same Grant 8,309,668 - Balduf , et al. November 13, 2 | 2012-11-13 |
Superabsorbent Polymers And Methods Of Making The Same App 20120226003 - Balduf; Torsten ;   et al. | 2012-09-06 |
Washing apparatus, a method of purifying a wash material and use of the washing apparatus Grant 8,252,120 - Nordhoff , et al. August 28, 2 | 2012-08-28 |
Process for production of (meth)acrylic acid with high boiling fraction work-up by means of crystallization Grant 8,178,717 - Balduf , et al. May 15, 2 | 2012-05-15 |
Superabsorbent polymer made from acrylic acid Grant 7,964,689 - Nordhoff , et al. June 21, 2 | 2011-06-21 |
Superabsorbent Polymer Made From Acrylic Acid App 20110028664 - Nordhoff; Stefan ;   et al. | 2011-02-03 |
Continuous process for the production and purification of acrylic acid Grant 7,803,969 - Nordhoff , et al. September 28, 2 | 2010-09-28 |
Process For Preparation Of Methyl Metharylate Using Recycled Methanol App 20100144931 - Balduf; Torsten | 2010-06-10 |
Process For Preparation Of Methyl Methacrylate By Esterification During Oxidation App 20100130648 - Balduf; Torsten | 2010-05-27 |
Use Of A Feed Compositions In Preparation Of Methacrylic Acid By Oxidation App 20100120949 - Balduf; Torsten | 2010-05-13 |
(Meth)acrylic acid crystal and process for producing aqueous (meth)acrylic acid Grant 7,557,245 - Nordhoff , et al. July 7, 2 | 2009-07-07 |
Method for the purification of (meth)acrylic acid Grant 7,557,246 - Nordhoff , et al. July 7, 2 | 2009-07-07 |
Purification Of A Distilled Bottom Product Containing (meth)acrylic Acid By Means Of A Crystallization Process App 20090149562 - Nordhoff; Stefan ;   et al. | 2009-06-11 |
Purification of a monomer by extraction with a phase former and crystallization Grant 7,495,129 - Balduf , et al. February 24, 2 | 2009-02-24 |
Process for Production of (Meth)Acrylic Acid with High Boiling Fraction Work-Up By Means of Crystallization App 20080287616 - Balduf; Torsten ;   et al. | 2008-11-20 |
Process for the Recovery of Organic Compounds from Mixtures Containing (Meth)Acrylic Acid by Extraction with a Protic Solvent App 20080119669 - Balduf; Torsten ;   et al. | 2008-05-22 |
Method for the Extractive Purification of (Meth) Acrylic Acid by Using a Separating Agent App 20080119668 - Nordhoff; Stefan ;   et al. | 2008-05-22 |
Method for the Purification of (Meth) Acrylic Acid App 20080091048 - Nordhoff; Stefan ;   et al. | 2008-04-17 |
Process and device for carrying out reactions in reactor with slot-shaped reaction spaces Grant 7,332,139 - Schutte , et al. February 19, 2 | 2008-02-19 |
Cleaving Of Oligomeric (Meth) Acrylic Acid In A Liquid Phase Under Pressure App 20070280866 - Balduf; Torsten ;   et al. | 2007-12-06 |
Reactor Comprising a Heat Exchanger Area Comprising an Insert App 20070274882 - Mosler; Jurgen ;   et al. | 2007-11-29 |
Method for the separation of monomers from a composition containing a monomer App 20070004903 - Hoff; Andreas ;   et al. | 2007-01-04 |
Coated catalyst support body App 20060276334 - Balduf; Torsten ;   et al. | 2006-12-07 |
Purification of a monomer by extraction with a phase-separating agent and crystallisation App 20060116532 - Balduf; Torsten ;   et al. | 2006-06-01 |
Washing Apparatus, A Method Of Purifying A Wash Material And Use Of The Washing Apparatus App 20060013748 - Nordhoff; Stefan ;   et al. | 2006-01-19 |
(Meth)acrylic acid crystal and method for the production and purification of aqueous (meth)acrylic acid App 20050222459 - Nordhoff, Stefan ;   et al. | 2005-10-06 |
Continuous process for the production and purification of (meth) acrylic acid App 20040116741 - Nordhoff, Stefan ;   et al. | 2004-06-17 |
Process and device for carrying out reactions in reactor with slot-shaped reaction spaces App 20020028164 - Schutte, Rudiger ;   et al. | 2002-03-07 |
Method of producing hydrogen peroxide by direct synthesis and noble-metal catalyst for the method App 20010024634 - Bertsch-Frank, Birgit ;   et al. | 2001-09-27 |
Method of producing expoxides in the gaseous phase App 20010021784 - Schutte, Rudiger ;   et al. | 2001-09-13 |
Process for producing hydrogen peroxide by direct synthesis Grant 6,117,409 - Bertsch-Frank , et al. September 12, 2 | 2000-09-12 |