Patent | Date |
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CO.sub.2 absorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethyl piperidine Grant 8,623,123 - Seiler , et al. January 7, 2 | 2014-01-07 |
Co2 Absorption From Gas Mixtures Using An Aqueous Solution Of 4-amino-2,2,6,6-tetramethylpiperidine App 20130263743 - Seiler; Matthias ;   et al. | 2013-10-10 |
CO.sub.2 absorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine Grant 8,500,867 - Seiler , et al. August 6, 2 | 2013-08-06 |
CO.sub.2 absorption from gas mixtures using an aqueous solution of 4-amino-2,2,6,6-tetramethylpiperidine Grant 8,500,892 - Seiler , et al. August 6, 2 | 2013-08-06 |
Preparations containing hyperbranched polymers Grant 8,445,024 - Seiler , et al. May 21, 2 | 2013-05-21 |
Co2 Absorption From Gas Mixtures Using An Aqueous Solution Of 4-amino-2,2,6,6-tetramethylpiperidine App 20120308458 - Seiler; Matthias ;   et al. | 2012-12-06 |
Process, Absorption Medium, And Apparatus For Absorption Of Co2 From Gas Mixtures App 20120080644 - Seiler; Matthias ;   et al. | 2012-04-05 |
Co2 Absorption From Gas Mixtures Using An Aqueous Solution Of 4-amino-2,2,6,6-tetramethylpiperidine App 20120017762 - Seiler; Matthias ;   et al. | 2012-01-26 |
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 |
Preparation for the Controlled Release of Bioactive Natural Substances App 20100136130 - Seiler; Matthias ;   et al. | 2010-06-03 |
(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 |
Use Of Ionic Liquids For The Lubrication Of Components In Wind Power Plants App 20090036334 - Schwab; Peter ;   et al. | 2009-02-05 |
Encapsulation and Controlled Release of Biologically Active Ingredients with Enzymatically Degradable Microparticulate, Hyperbranched Polymers App 20080274149 - Seiler; Matthias ;   et al. | 2008-11-06 |
Preparations containing hyperbrached polymers App 20080207871 - Seiler; Matthias ;   et al. | 2008-08-28 |
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 |
Cleaving Of Oligomeric (Meth) Acrylic Acid In A Liquid Phase Under Pressure App 20070280866 - Balduf; Torsten ;   et al. | 2007-12-06 |
Method for the separation of monomers from a composition containing a monomer App 20070004903 - Hoff; Andreas ;   et al. | 2007-01-04 |
Purification of a monomer by extraction with a phase-separating agent and crystallisation App 20060116532 - Balduf; Torsten ;   et al. | 2006-06-01 |
(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 |