Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9475918 | Stabilizer mixture | Simon Schambony, Alban Glaser, Manfred Appel, Sylke Haremza | 2016-10-25 |
| 6908956 | Stabilizer composition | Heinz Friedrich Sutoris, Sylke Haremza, Erik Hofmann, Manfred Appel | 2005-06-21 |
| 6737527 | 4-formylamino-N-methylpiperidine derivatives, the use thereof as stabilizers and organic material stabilized therewith | Sylke Haremza, Jurgen Krockenberger, Manfred Appel, Alexander Aumuller | 2004-05-18 |
| 6492442 | Stabilizer composition | Manfred Appel, Jurgen Krockenberger, Alexander Aumuller | 2002-12-10 |
| 6214929 | Stabilized polymer dispersions or polymer solutions, and prepared polymers obtainable therefrom | Sylke Haremza, Jurgen Krockenberger, Manfred Appel, Joachim Pakusch, Heinrich Sack | 2001-04-10 |
| 6210657 | Use of isoindolinone derivatives as stabilizers for organic materials | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Horst Westenfelder | 2001-04-03 |
| 5973040 | Tetramethylpiperidine-containing copolymers | Alfred Krause, Alexander Aumuller, Albin Berger, Andreas Deckers | 1999-10-26 |
| 5877242 | .alpha.tocopherol-stabilized styrene/butadiene block copolymers | Norbert Niessner, Wolfgang Loth, Konrad Knoll, Norbert Güntherberg, Paul Naegele +1 more | 1999-03-02 |
| 5837759 | Stabilizer mixture of chroman derivatives and inert organic solvents, and microcapsules containing this stabilizer mixture | Jurgen Krockenberger, Ekkehard Jahns, Ralf Biastoch | 1998-11-17 |
| 5821292 | 3-arylacrylic acid ester light-protection stabilizers for organic material | Alexander Aumuller, Martin Holderbaum, Wolfgang Goetze, Jurgen Krockenberger | 1998-10-13 |
| 5821380 | 2-cyanoacrylic esters | Martin Holderbaum, Alexander Aumuller, Guido Voit, Karin Sperling, Alfred Krause | 1998-10-13 |
| 5807504 | Stabilizer mixture composed of chroman derivatives, organic phosphites or phosphonites and amines | Jurgen Krockenberger, Wolfgang Goetze, Alexander Aumuller | 1998-09-15 |
| 5726285 | Condensation and addition polymers having N,N'-bridged bistetramethylpiperidyloxy groups | Alexander Aumuller | 1998-03-10 |
| 5710228 | Maleimide/.alpha.-olefin copolymers and their use as light stabilizers and stabilizers for organic material | Alfred Krause, Walter Denzinger, Albert Hettche, Alexander Aumueller | 1998-01-20 |
| 5670613 | N-vinyl-containing glycoluril derivatives and their use as light stabilizers and stabilizers for organic material | Alfred Krause, Alexander Aumueller, Eckhard Korona | 1997-09-23 |
| 5624981 | Polyalkylpiperidine containing acetic acid and 3-amino-acrylic acid derivatives | Martin Holderbaum, Alexander Aumueller | 1997-04-29 |
| 5610210 | Aminovinylphosphonic ester stabilizers for organic material | Martin Holderbaum, Alexander Aumueller | 1997-03-11 |
| 5504211 | Polyalkylpiperidinyl-containing .beta.-aminoacrylic ester derivatives | Alexander Aumueller, Alfred Krause | 1996-04-02 |
| 5496877 | Amino compounds as processing stabilizers for thermoplastic materials | Alexander Aumueller | 1996-03-05 |
| 5443820 | Esters and amides of aminomethylenecyanoacetic acid a cosmetic preparation containing the same as a sunscreen agent and a method for protecting human skin using the same | Martin Holderbaum, Alexander Aumueller | 1995-08-22 |
| 5434202 | N-(.beta.-carbony- and .beta.-cyanovinyl)-2,2,6,6-tetramethyl-piperidine derivatives | Alfred Krause, Alexander Aumueller | 1995-07-18 |
| 5266320 | Aminovinyl-substituted heterocyclic compounds as stabilizers for organic materials | Martin Holderbaum, Alexander Aumueller | 1993-11-30 |
| 5248778 | Polyalkylpiperidine compounds | Alexander Aumueller | 1993-09-28 |
| 5239072 | Polyalkylpiperidine compounds | Alexander Aumueller | 1993-08-24 |
| 5171328 | Stabilizer-containing wood stains | Christos Vamvakaris | 1992-12-15 |