Guenter Frey has been granted 7 US patents while listed as an inventor at Basf Se . The first was granted in 1983 and the most recent in August 1994. Guenter Frey ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Guenter Frey in Schifferstadt, DE.
Patents per Year Patents granted per year, 1983 to 1994 Bar chart with a peak of 2 patents in 1984. peak 2 1983: 1 patents 1983 1984: 2 patents 1984 1989: 2 patents 1989 1991: 1 patents 1991 1994: 1 patents 1994
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
5334323 Deicing or antiicing fluids for aircraft Hans Schrimpf , Hans U. Krebs , Gert Liebold 1994-08-02
5064552 Nitrite- and phosphate-free antifreeze based on glycol Knut Oppenlaender , Juergen Mohr , Gert Liebold 1991-11-12
4827008 Preparation of alkoxysilanes containing a low level of chlorine compounds Charalampos Gousetis , Knut Oppenlaender , Gert Liebold 1989-05-02
4810404 Nitrite- and phosphate-free glycol-based coolant mixtures Charalampos Gousetis , Knut Oppenlaender , Gert Liebold 1989-03-07
4444959 Water-soluble benzylated polyamidoamines Werner Streit , Rolf Fikentscher , Hans-Juergen Degen , Wolf Guender 1984-04-24
4425238 Removal of anionic compounds from water Hans-Juergen Degen , Wolf Guender , Friedrich Linhart , Werner Auhorn , Werner Streit +1 more 1984-01-10
4383834 Coloring of paper Hans-Juergen Degen , Wolf Guender , Werner Streit , Rolf Fikentscher , Klaus Wulz 1983-05-17
