RL

Roland Langner

HR Haarmann & Reimer: 12 patents #2 of 126Top 2%
BH Bayer Healthcare: 1 patents #4,623 of 8,007Top 60%
SK Symrise Gmbh & Co. Kg: 1 patents #37 of 114Top 35%
Overall (All Time): #387,982 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7208142 Indanylidene compounds Oskar Koch, Erich Dilk, William Johncock 2007-04-24
6258963 Benzylidene-.gamma.-butyrolactones, process for their preparation and their use as UV absorber Oskar Koch, William Johncock 2001-07-10
6153175 Indanylidene compounds, a process for their preparation and their use as UV absorbers Oskar Koch, Horst Surburg, Horst Sommer 2000-11-28
6042814 Sulphonic acids and their use as UV absorbers Oskar Koch, Alfred Krempel 2000-03-28
6039939 N-acyl-hydroxyamino acid esters and their use Jakob Ley 2000-03-21
6037473 Use of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparation Erich Dilk, William Johncock 2000-03-14
5965066 Indanylidene compounds, a process for their preparation and their use as UV absorbers Oskar Koch, Horst Surburg, Horst Sommer 1999-10-12
5961960 Use of substituted benzazoles as UV absorbers, new benzazoles and processes for their preparation Erich Dilk, William Johncock 1999-10-05
5783725 Stabilized lactic acid menthyl ester Walter Kuhn, Alfred Korber, Detlef Hagena 1998-07-21
5585091 Use of benzazoles UV absorbers, new benzazoles and a process for their preparation Ralf Pelzer, Horst Surburg, Horst Sommer, Alfred Krempel, Rudolf Hopp 1996-12-17
5527519 Finely divided, highly pure neutral zinc oxide powder, a process for its preparation and its use Michael Miksits, Christoph Tiburtius, Jurgen Kischkewitz, Kai Butje, Albrecht Warth +1 more 1996-06-18
4562067 Preparation of novel dibenzoylmethane derivative sunscreen agents Rudolf Hopp, Horst Finkelmeier 1985-12-31
4455295 N-(p-Sulfophenyl) cinnamamide as sunscreen agent Rudolf Hopp, Horst Finkelmeier 1984-06-19