FF

Friedrich H. Franke

Overall (1994): #34,207 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5364952 Vanadium(IV) oxide bis(dialkyldithiocarbamates), process for their preparation, and oil compositions containing them Wolfram Spiess, Rolf Himmelreich, Ralf Himmelreich 1994-11-15
5308519 Tungsten hexaldialkyldithiocarbamates, process for their preparation and oil compositions containing them Wolfram Spiess, Rolf Himmelreich, by Margot M. C. Himmelreich, executor, by Petra Himmelreich, heir, by Ralf Himmelreich, heir 1994-05-03