Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586779 | Method for producing methacrylic alkyl esters by way of azeotropic distillation | Udo Gropp, Robert Weber, Andreas Perl, Rudolf Sing, Thomas Mertz | 2013-11-19 |
| 8362246 | Bispyrimidines for electronic applications | Heinz Wolleb, Christian Schildknecht, Soichi Watanabe, Christian Lennartz | 2013-01-29 |
| 8334399 | Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling | Udo Gropp, Robert Weber, Andreas Perl, Rudolf Sing, Thomas Mertz | 2012-12-18 |
| 8324424 | Method for the adsorptive purification of alkyl methacrylates | Udo Gropp, Robert Weber, Andreas Perl, Rudolf Sing, Thomas Mertz | 2012-12-04 |
| 8143434 | Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products | Udo Gropp, Robert Weber, Andreas Perl, Rudolf Sing, Thomas Mertz | 2012-03-27 |
| 8129559 | Process for preparing cyanohydrins and their use in the preparation of alkyl esters of methacrylic acid | Udo Gropp, Robert Weber, Andreas Perl, Rudolf Sing, Thomas Mertz | 2012-03-06 |
| 6979432 | Hydrogen cyanide synthesis process | Hermann Siegert | 2005-12-27 |
| 6743407 | Hydrogen cyanide synthesis process | Hermann Siegert | 2004-06-01 |
| 6596251 | Hydrogen cyanide synthesis process | Thomas Krauss | 2003-07-22 |
| 6444626 | Poly(neopentyl polyol) ester based coolants and improved additive package | Michael A. McHenry, Dale Carr | 2002-09-03 |
| 5895778 | Poly(neopentyl polyol) ester based coolants and improved additive package | Michael A. McHenry, Dale Carr | 1999-04-20 |
| 5503761 | Technical pentaerythritol esters as lubricant base stock | Thomas L. Ashcraft, Paul J. Berlowitz, Max J. Wisotsky, Dale Carr | 1996-04-02 |