Issued Patents 1982
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359584 | Preparation of p-substituted, aromatic amines | Gerhard Nestler | 1982-11-16 |
| 4354045 | Preparation of formaldehyde | Gerd Fouquet | 1982-10-12 |
| 4349484 | Process for the manufacture of mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates | Gerhard Nestler, Friedrich Towae, Wolfgang Harder | 1982-09-14 |
| 4336403 | Preparation of methyl methacrylate by reaction of methyl propionate and methanol | Gerd Fouquet | 1982-06-22 |
| 4330479 | Thermal decomposition of aryl urethanes | Friedrich Towae | 1982-05-18 |
| 4328354 | Preparation of methylene-bis-phenylcarbamic acid esters and polymethylene-polyphenylcarbamic acid esters | Gerhard Nestler | 1982-05-04 |
| 4324727 | Preparation of butyrolactones | Gerhard Nestler | 1982-04-13 |
| 4322365 | Preparation of isocyanates | Friedrich Towae | 1982-03-30 |
| 4320235 | Preparation of 1-(aralkyl)-2-naphthols | Gerhard Nestler | 1982-03-16 |
| 4320232 | Process for conjointly preparing methyl tert.-butyl ether and obtaining isobutene | Klaus Volkamer, Alfred Lindner, Ulrich Wagner, Erwin Brunner, Gerhard Sandrock +1 more | 1982-03-16 |
| 4319035 | Process for recycling noble metal catalysts used for the manufacture of aromatic urethanes | Friedrich Towae | 1982-03-09 |
| 4315869 | Preparation of .alpha.,.beta.-unsaturated nitriles | Hans-Martin Hutmacher, Helmut Hagen | 1982-02-16 |