Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9637574 | Process and apparatus for preparing alkyl esters of methacrylic acid | Udo Gropp, Robert Weber, Thomas Schaefer, Andreas Perl, Thomas Mertz | 2017-05-02 |
| 8586779 | Method for producing methacrylic alkyl esters by way of azeotropic distillation | Udo Gropp, Robert Weber, Thomas Schaefer, Andreas Perl, Thomas Mertz | 2013-11-19 |
| 8334399 | Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling | Udo Gropp, Robert Weber, Thomas Schaefer, Andreas Perl, Thomas Mertz | 2012-12-18 |
| 8324424 | Method for the adsorptive purification of alkyl methacrylates | Udo Gropp, Robert Weber, Thomas Schaefer, Andreas Perl, 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, Thomas Schaefer, Andreas Perl, 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, Thomas Schaefer, Andreas Perl, Thomas Mertz | 2012-03-06 |