Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961914 | Method of preparing hydrogen cyanide | Michael Witzel, Peter Kleinschmit, Wolf-Dieter Pfeifer, Peter Albers | 1990-10-09 |
| 4594234 | Process and apparatus for the production of hydrogen cyanide | Reinhard Manner, Hans Schaefer, Wolf-Dieter Pfeifer | 1986-06-10 |
| 4471712 | Apparatus for the internal coating of contact tubes | Peter Kleinschmit, Reinhard Manner | 1984-09-18 |
| 4415485 | Process for the internal coating of contact tubes | Peter Kleinschmit, Reinhard Manner | 1983-11-15 |
| 4387081 | Process for the production of hydrogen cyanide | Peter Kleinschmit, Gerd Schreyer, Gerhard Sperka | 1983-06-07 |
| 4321059 | Process for the analytical determination of hydrogen cyanide in gases | Lothar Schmidt, Peter Kleinschmit | 1982-03-23 |
| 4320104 | Process for the production of hydrogen cyanide | Friedrich Bittner, Peter Kleinschmit | 1982-03-16 |
| 4317808 | Process for the production of hydrogen cyanide | Hans Strack, Peter Kleinschmit | 1982-03-02 |
| 4289741 | Process for the production of hydrogen cyanide | Peter Kleinschmit, Eberhard Walter | 1981-09-15 |
| 4275049 | Catalytic process for converting hydrogen cyanide into ammonia | Peter Kleinschmit | 1981-06-23 |
| 4259848 | Refrigeration system | — | 1981-04-07 |