Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863723 | Method for preparing hexamethylcyclotrisiloxane and uses for the same | Franz-Heinrich Kreuzer | 1989-09-05 |
| 4849401 | Alcohols containing 2-methylphenyl or 2-methoxyphenyl groups, and fragrances containing same | Wilhelm Friedrich, Walter Hafner, Marlies Regiert | 1989-07-18 |
| 4842853 | Solid which releases a fragrant substance and/or a disinfectant | Franz-Heinrich Kreuzer | 1989-06-27 |