VR

Verlan H. Van Rheenen

TU The Upjohn: 5 patents #85 of 528Top 20%
📍 Portage, MI: #151 of 619 inventorsTop 25%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #879,312 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6812358 Process for making estra-4,9(10)-diene steroids Edward J. Hessler 2004-11-02
4548748 Cyanohydrin process 1985-10-22
4526720 Process to prepare stabilized monolithium acetylide Dae Y. Cha 1985-07-02
4501695 Spironalactone process 1985-02-26
4451404 16.beta.-Methyl steroid process Joseph M. Timko 1984-05-29
4443377 Isomerization-acylation process 1984-04-17