Issued Patents 1982
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357447 | Polymere N-halogenamide auf basis von acryl-und methacrylamid | Hans Zengel, Rainer Zielke | 1982-11-02 |
| 4356289 | Polymeric N-halogenoamides on the basis of acrylamide and methacrylamide | Hans Zengel, Rainer Zielke | 1982-10-26 |
| 4346233 | Process for the preparation of ureas | Hans Zengel, Rainer Zielke | 1982-08-24 |
| 4342707 | Process for the preparation of bis-N-chloramides | Hans Zengel | 1982-08-03 |
| 4317947 | Process for the preparation of nitrosobenzene | Hans Zengel | 1982-03-02 |
| 4316031 | Process for the preparation of 2-mercaptobenzothiazole | Hans Zengel, Heinz Praetorius | 1982-02-16 |
| 4314089 | Process for the preparation of nitrosobenzene | Hans Zengel, Werner Klostermeier | 1982-02-02 |