HG

Hans-Joachim Graf

BH Bayer Healthcare: 1 patents #279 of 705Top 40%
📍 Achim, DE: #2 of 3 inventorsTop 70%
Overall (1994): #129,220 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5314986 Phenolic resins from bisphenol a residual resins and mixtures of chloro-substituted hydrocarbons, and the use of specific phenolic resins as homogenizers for rubber vulcanizates Pieter Ooms, Heinrich Schrage, Hans-Josef Buysch, Rene Loix 1994-05-24