Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7335709 | Polymerizate composition and a method for producing the same | Helmut Brehm | 2008-02-26 |
| 6911499 | Polymer composition and a method for producing the same | Helmut Brehm | 2005-06-28 |
| 6514418 | Method of dewatering slurries using leaf filters (filter presses) | Josef Bartscherer, Winfried Held, Fedor Ivanovitch Lobanov, Stanislav Vladimirovitch Chramenkov, Vladimir Alexandovich Sagorskij | 2003-02-04 |
| 6303560 | Compacted disintegrant granulate for compression-molded articles, its production and its use | Juergen Souren, Elke Philippsen-Neu, Rainer Poeschmann | 2001-10-16 |
| 6232285 | Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets and scouring salt tablets | Sascha Casteel, Elke Philippsen-Neu, Rainer Poeschmann | 2001-05-15 |
| 6228964 | Water soluble, powdered, cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compounds | Alfons Landscheidt | 2001-05-08 |
| 6221832 | Compacted granulate, process for making same and use as disintegrating agent for pressed detergent tablets, cleaning agent tablets for dishwashers, water softening tablets or scouring salt tablets | Sascha Casteel, Elke Philippsen-Neu, Rainer Poeschmann | 2001-04-24 |
| 5837789 | Fluid-absorbing polymers, processes used in their production and their application | Dolf Stockhausen, Helmut Brehm, Gerd Jonas, Bernfried Messner, Klaus Pflueger | 1998-11-17 |
| 5792434 | Device and a process for dissolving water-soluble powdery polymers | Friedhelm Ferlings, Uwe Gunther, Werner Fischer | 1998-08-11 |
| 5672633 | Powdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbents | Helmut Brehm | 1997-09-30 |
| 5512646 | Water soluble powdered cationic polyelectrolyte comprising a copolymer of acrylamide and dimethylaminopropylacrylamide essentially free of bifunctional compounds | Alfons Landscheidt | 1996-04-30 |
| 5292404 | Process for trash removal or pitch-like resin control in the paper manufacture | Alfons Landscheidt | 1994-03-08 |
| 5176797 | Manufacturing paper employing a polymer of acrylic or methacrylic acid | Alfons Landscheidt | 1993-01-05 |
| 4980437 | Acrylic copolymers for re-tanning | Manfred Kaussen, Dolf Stockhausen, Alfons Landscheidt | 1990-12-25 |
| 4813968 | Retanning process | Manfred Kaussen, Dolf Stockhausen, Alfons Landscheidt | 1989-03-21 |
| 4618414 | Process for separating mineral ultra-fine grain from washings obtained in coal processing or from coal slurries | Werner Padberg, Dietrich Muller | 1986-10-21 |