Emil Scharf has been granted 6 US patents while listed as an inventor at Basf Se . The first was granted in 1981 and the most recent in October 1995. Emil Scharf ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Emil Scharf in Ludwigshafen, DE.
Patents per Year Patents granted per year, 1981 to 1995 Bar chart with a peak of 1 patents in 1981. peak 1 1981: 1 patents 1981 1982: 1 patents 1982 1983: 1 patents 1983 1984: 1 patents 1984 1986: 1 patents 1986 1995: 1 patents 1995
Issued Patents All Time
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Showing 1–6 of 6 patents
Patent # Title Co-Inventors Date
5455352 Preparation of N-(2-hydroxyethyl)-piperazine Michael Huellmann , Rainer Becker 1995-10-03
4567303 Process and apparatus for preparing or reacting alkanolamines Guenter Boettger , Hans Hammer , Otto Hertel , Gerhard Jeschek , Herbert Mueller +1 more 1986-01-28
4450045 Preparation of water-soluble, nitrogen-containing condensates and their use in papermaking Otto Hertel , Friedrich Linhart 1984-05-22
4371674 Water soluble crosslinked ethyleneimine grafted polyamidoamine Otto Hertel , Jaroslav Melzer , Rolf Fikentscher 1983-02-01
4328142 Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids Otto Hertel , Jaroslav Melzer 1982-05-04
4277422 Vulcanization activator Herbert Mueller , Gerhard Paulus , Hubert Schoeppl 1981-07-07
