Wilhelm Kump has been granted 12 US patents while listed as an inventor at Ciba-Geigy . The first was granted in 1981 and the most recent in January 1993. Wilhelm Kump ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Wilhelm Kump in Biel-Benken, CH.
Patents per Year Patents granted per year, 1981 to 1993 Bar chart with a peak of 2 patents in 1982. peak 2 1981: 1 patents 1981 1982: 2 patents 1982 1983: 1 patents 1983 1989: 1 patents 1989 1990: 2 patents 1990 1991: 2 patents 1991 1992: 2 patents 1992 1993: 1 patents 1993 Issued Patents All Time
Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date
5180718 Acyl derivatives of oxazolorifamycins Christian Borel , Jen Chen , Siem Jacob Veenstra , John E. Francis , Benjamin Mugrage 1993-01-19
5147870 Substituted azacyclohexyl derivatives Keith Allan Menear 1992-09-15
5100894 Open chain rifamycin derivatives Peter Taylor , Ian Timothy Williams Matthews , Jane I. Lowrie , Keith Allan Menear 1992-03-31
5053510 Process for the preparation of polycyclic compounds — 1991-10-01
5003070 Substituted azacyclohexyl derivatives of rifamycins Jen Chen 1991-03-26
4918066 Substituted 4-benzylpiperazinyl compounds — 1990-04-17
4916126 Diacyl derivatives of 4-(trialkylbenzyl)-piperazinyl compounds Peter Traxler , Klaus Muller 1990-04-10
4876258 Biphenylyl compounds Peter Traxler 1989-10-24
4379149 Process for introducing an oxygen-containing functional group into ansamycins — 1983-04-05
4353826 Substituted rifamycins Hans Bickel 1982-10-12
4322419 Bicyclomycin derivatives, compositions thereof and process of use thereof Beat Muller , Oskar Wacker 1982-03-30
4261891 Antibiotically active rifamycin derivatives Hans Bickel 1981-04-14