Otto Hertel has been granted 10 US patents while listed as an inventor at Basf Se . The first was granted in 1982 and the most recent in July 1992. Otto Hertel ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Otto Hertel in Ludwigshafen, DE.
Patents per Year Patents granted per year, 1982 to 1992 Bar chart with a peak of 2 patents in 1982. peak 2 1982: 2 patents 1982 1983: 1 patents 1983 1984: 1 patents 1984 1986: 2 patents 1986 1988: 2 patents 1988 1989: 1 patents 1989 1992: 1 patents 1992
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date
5132471 Purification of .alpha.-bisabolol Gerald Lauterbach , Klaus Euler 1992-07-21
4806679 Isomerization of diacyloxybutenes Wolfgang Hoelderich , Rolf Fischer , Wolf D. Mross , Hans-Martin Weitz 1989-02-21
4775540 Preparation of pourable choline chloride/silica powders Gerhard Jeschek , Walter Klink , Wolfgang Koernig , Theodor Weber , Fritz Rateike 1988-10-04
4739051 Preparation of morpholine Wolfgang Schroeder , Wolfgang Lengsfeld , Gerd Heilen , Guenter Boettger 1988-04-19
4567303 Process and apparatus for preparing or reacting alkanolamines Guenter Boettger , Hans Hammer , Gerhard Jeschek , Herbert Mueller , Emil Scharf +1 more 1986-01-28
4565894 Preparation of ionones Hans Kiefer , Lothar Arnold 1986-01-21
4450045 Preparation of water-soluble, nitrogen-containing condensates and their use in papermaking Friedrich Linhart , Emil Scharf 1984-05-22
4371674 Water soluble crosslinked ethyleneimine grafted polyamidoamine Emil Scharf , Jaroslav Melzer , Rolf Fikentscher 1983-02-01
4330480 Preparation of aminoalkyl half-esters of sulfuric acid Karl-Heinz Beyer , Albrecht H. Wallis , Klaus Wulz , Kamuran Izi 1982-05-18
4328142 Preparation of water-soluble condensates and their use as crosslinking agents for the preparation of papermaking aids Emil Scharf , Jaroslav Melzer 1982-05-04
