Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4450116 | 3-Oxypropyleneimino-bis-(methylene phosphonic acids) and their salts, process for their manufacture and their use | Hans Morawietz, Erich Hoffman, Johann Franz Hanauer | 1984-05-22 |
| 4433076 | Coating agent for medicaments and methods for making and using the same | Hermann Osterwald, Klaus Lehmann, Dieter Dreher | 1984-02-21 |
| 4263459 | 3-Methyl-aldehydes, processes for their preparation and their use as odorants | Detlef Hagena, Hans-Otto Muller | 1981-04-21 |
| 4259518 | 3-Methyl-5-keto-.alpha.,.omega.-alkenedioic acids and esters | Detlef Hagena | 1981-03-31 |
| 4251448 | Macrocyclic diesters | Alfred Korber, Karl-Heinz Bork | 1981-02-17 |
| 4245126 | Process for the preparation of a mixture of 2- and 4-hydroxybenzyl alcohol | Helmut Fiege, Karlfried Wedemeyer, Reiner Molleken | 1981-01-13 |
| 4245124 | Isocamphyl-guaiacol-ethyl ethers | Gerd Lange | 1981-01-13 |
| 4238629 | Process for the preparation of a mixture of 2-and 4-hydroxybenzyl alcohol | Reiner Molleken, Karlfried Wedemeyer, Helmut Fiege | 1980-12-09 |
| 4235826 | Esters of isocamphyl-guaiacol, process for their preparation and their use for the preparation of 3-[isocamph-5-yl]-cyclohexanol | Gerd Lange | 1980-11-25 |
| 4218380 | Process for the preparation of arylglyoxylic acids | Helmut Fiege, Karlfried Wedemeyer, Reiner Molleken | 1980-08-19 |
| 4193934 | Nitriles with odorant properties | Ulli Harder, Wolfgang Sturm | 1980-03-18 |
| 4192959 | Process for the preparation of pure 2-hydroxybenzyl alcohol, pure 4-hydroxybenzyl alcohol or a mixture of both hydroxy-benzyl alcohols | Alfred Krempel, Reiner Molleken, Karlfried Wedemeyer, Helmut Fiege | 1980-03-11 |
| 4190583 | Process for the preparation of 3,4-methylenedioxymandelic acid | Reiner Molleken | 1980-02-26 |
| 4187222 | Process for the preparation of cyclopentadecanolide | Alfred Korber | 1980-02-05 |