Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944848 | Process for the purification of 1,1-diphenylethane with good fragrance quality | — | 1990-07-31 |
| 4851552 | Process for the production of 13-oxabicyclo(10.3.0)pentadecane and process for the production of intermediates | — | 1989-07-25 |
| 4785100 | Process for the production of N-substituted morpholine and piperidine derivatives | — | 1988-11-15 |
| 4778920 | Process for the production of chlorine-free cyclopropanecarboxylic acid esters | — | 1988-10-18 |
| 4772758 | Process for the production of technically pure, chlorine-free cyclohexadecadiene | — | 1988-09-20 |
| 4755615 | Process for the production of cyclododecenylacetonitrile | Slagmulder Andre | 1988-07-05 |
| 4722808 | Use of cyclododecenylacetonitrile as a fragrance component | Andre Slagmulder | 1988-02-02 |
| 4642405 | Process for the production of methallylbenzene and isobutenylbenzene and their p-substituted alkyl derivatives | — | 1987-02-10 |
| 4579992 | Production of 3,3- and 2,3-dimethylbutenes, 2,3-dimethylbutadiene and/or glycol or polyglycol N-alkyl-3,3- and -2,3-dimethylbutyl ether | Werner Smolka | 1986-04-01 |
| 4506105 | Process for preparing cyclooctene-4-ol-1 from cyclooctadiene-1,5 | — | 1985-03-19 |
| 4506102 | 2-Methoxyethyl cyclododecenyl ether and processes for its preparation and conversion to 2-methoxyethyl cyclododecyl ether | Hendrik J. Takken | 1985-03-19 |
| 4433175 | Process for the production of pure neohexanol | — | 1984-02-21 |
| 4385965 | Process for the recovery of pure methylal from methanol-methylal mixtures | Wolfgang Muller | 1983-05-31 |
| 4320237 | Process for the hydroformylation of olefins | Johann Gaube | 1982-03-16 |
| 4250337 | Two stage hydrogenation to make neopentyl glycol | Manfred zur Hausen, Erhard Lange | 1981-02-10 |
| 4250343 | Process for the preparation of pure .alpha.,.omega.-C.sub.6 - to C.sub.20 - a | Werner Jacquemin | 1981-02-10 |
| 4231915 | Use of di-(cyclohexylethylmethylol) phthalates or di-(ethylcyclohexylmethylol) phthalates as plasticizers for polyvinyl chloride | Dieter Hepp, Gerhard Menzel | 1980-11-04 |