Fritz Kaiser has been granted 5 US patents while listed as an inventor at BOE . The first was granted in 1981 and the most recent in July 1984. Fritz Kaiser ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Fritz Kaiser in Lampertheim, DE.
Patents per Year Patents granted per year, 1981 to 1984 Bar chart with a peak of 2 patents in 1984. peak 2 1981: 1 patents 1981 1982: 1 patents 1982 1983: 1 patents 1983 1984: 2 patents 1984
Issued Patents All Time
Profile Widget
Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
4461763 "Oximes of 3'""-dehydrocardenolide tridigitoxosides" Wolfgang Schaumann , Wolfgang Voigtlander , Edgar Hoyer , Peter Neubert 1984-07-24
4436735 "Ketals of 3'""-dehydrocardenolide tridigitoxosides" Wolfgang Schaumann , Wolfgang Voigtlander , Edgar Hoyer , Peter Neubert 1984-03-13
4387104 N-Substituted pyruvic acid hydrazones, preparation thereof and pharmaceutical compositions containing them Ruth Heerdt , Hans-Peter Wolff , Wolfgang Schaumann , Hans-Frieder Kuhnle 1983-06-07
4353895 Cardenolide-bis-digitoxoside alkyl compounds, pharmaceutical compositions and method of use Wolfgang Schaumann , Wolfgang Voigtlander , Edgar Hoyer , Klaus Koch 1982-10-12
4292314 Cardioactive 12-dehydrodigoxin-oximes Klaus Koch , Wolfgang Schaumann , Wolfgang Voigtlander 1981-09-29