Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321173 | Method for the preparation of finely dispersed polyurethane ureas | Gunter Schuhmacher, Horst Muhlfeld | 1982-03-23 |
| 4273911 | Method for the manufacture of low-melting polyurethanes having improved strength properties using a mixture of a polydiol having a molecular weight between 500 and 5,000 and a mixture of at least three diols | Gunter Schuhmacher, Horst Muhlfeld | 1981-06-16 |