HK

Herbert Klenk

DA Degussa Ag: 12 patents #77 of 2,007Top 4%
AM Asta Medica: 3 patents #45 of 179Top 30%
BH Bayer Healthcare: 3 patents #2,574 of 8,007Top 35%
CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
Overall (All Time): #198,800 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6013815 Production and use of salts of 6,8-bis (amidiniumthio)-octanoic acid Thomas Beisswenger, Rainer Gewald, Alfred Olbrich, Horst Bethge, Frank Hubner +4 more 2000-01-11
5760268 Production and use of salts of 6, 8-bis (amidiniumthio) -octanoic acid Thomas Beisswenger, Rainer Gewald, Alfred Olbrich, Horst Bethge, Frank Hubner +4 more 1998-06-02
5455264 RS-thioctic acid with novel morphology Thomas Beisswenger, Horst Bethge, Joachim Goede, Frank Hubner, Klaus Huthmacher +1 more 1995-10-03
5426249 Process for the simultaneous production of 1,2- and 1,3-propanediol Thomas Haas, Armin Neher, Dietrich Arntz, Walter Girke 1995-06-20
5387720 Process for the production of acrolein Armin Neher, Thomas Haas, Dietrich Arntz, Walter Girke 1995-02-07
5191085 Optically active salts of a substituted thiazolidine-4-carboxylate and 3-cyano-hydroxypropyl trimethyl-ammonium, their production and uses Harald Jakob, Klaus Huthmacher 1993-03-02
5166426 Process for producing L-carnitine from D,L-carnitine nitrile salts Harald Jakob, Klaus Huthmacher 1992-11-24
5049283 Method for the recovery of aqueous solutions of free, neutral .alpha.-amino acids from aqueous solutions of their alkali-metal salts Hans Joachim Hasselbach, Axel Kleeman, Horst Weigel 1991-09-17
4914208 Optically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and use Harald Jakob, Klaus Huthmacher, Axel Kleemann, Gunes Giray 1990-04-03
4824987 Method of preparing m-trifluoromethylphenyl acetonitrile Axel Kleemann, Klaus Huthmacher, Dieter Most 1989-04-25
4716247 Process for the production of thiosemicarbazide Axel Kleemann, Wolfgang Schulz 1987-12-29
4492793 Process for the production of 2-amino-5-mercapto-1,3,4-thiadiazole 1985-01-08
4490307 Process for the production of .beta.-mercaptopropionic acid derivatives 1984-12-25
4402733 Herbicidally active 1,2,4-triazin-5-one derivatives Georg Pissiotas, Willy Meyer, Werner Schwarze, Wolfgang Leuchtenberg 1983-09-06
4360682 Stabilizing caprolactones with dihydroxybenzenes Rolf Wirthwein, Helmut Waldmann, Hermann Seifert 1982-11-23
4341709 Preparation of .epsilon.-caprolactone Willi Hofen, Gerd Schreyer, Otto Weiberg, Helmut Waldmann, Hermann Seifert +2 more 1982-07-27
4339591 Process for the production of caboxylic acid cyanides Axel Kleemann, Bernd Lehmann 1982-07-13
4326056 Process for the production of 4-amino-6-tert. butyl-3-mercapto-1,2,4-triazin-5-one Axel Kleemann, Bernd Lehamnn 1982-04-20
4313879 Process for the manufacture of very pure .epsilon.-caprolactone Rolf Wirthwein, Gerd Siekmann, Wulf Schwerdtel 1982-02-02
4228082 N-Substituted .alpha.-ketocarboxylic acid amides Axel Kleemann, Heribert Offermanns, Paul Scherberich, Werner Schwarze 1980-10-14
4224226 Process for the production of N-substituted .alpha.-ketocarboxylic acid amides Axel Kleemann, Heribert Offermanns, Paul Scherberich, Werner Schwarze 1980-09-23
4209461 Process for the production of benzoyl cyanide (I) Theodor Lussling, Alfred Maierhofer, Heribert Offermanns, Hans Wagner 1980-06-24