HV

Hans-Joachim Vahlensieck

HA Huels Troisdorf Ag: 3 patents #1 of 15Top 7%
📍 Wehr, DE: #1 of 1 inventorsTop 100%
Overall (1989): #10,376 of 140,708Top 8%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4876337 Method and apparatus for the preparation of cyanoalkyl-alkoxysilanes Hartwig Rauleder, Claus-Dietrich Seiler 1989-10-24
4824979 Method for the preparation of partial esters and ortho esters of titanium, zirconium or hafnium Hans-Joachim Kotzsch, Hans-Gunther Srebny 1989-04-25
4824982 Method for the cleavage of organic siloxanes, and products and applications thereof Hans-Joachim Koetzsch 1989-04-25