Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364952 | Vanadium(IV) oxide bis(dialkyldithiocarbamates), process for their preparation, and oil compositions containing them | Friedrich H. Franke, Rolf Himmelreich, Ralf Himmelreich | 1994-11-15 |
| 5308519 | Tungsten hexaldialkyldithiocarbamates, process for their preparation and oil compositions containing them | Friedrich H. Franke, Rolf Himmelreich, by Margot M. C. Himmelreich, executor, by Petra Himmelreich, heir, by Ralf Himmelreich, heir | 1994-05-03 |