HB

Helmut Burstell

Hoechst Gmbh: 2 patents #52 of 471Top 15%
📍 Frankfurt am Main, DE: #16 of 128 inventorsTop 15%
Overall (1989): #26,366 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4820335 1-substituted imidazole-5-carboxylic acid derivatives, their preparation and their use as biocides Thomas Maier, Roland Schmierer, Klaus Bauer, Hermann Bieringer, Burkhard Sachse 1989-04-11
4808213 2,3,6-substituted phenylimidazole derivatives and the use thereof as growth regulators Roland Schmierer, Hilmar Mildenberger 1989-02-28