PK

Paul Kreienbuhl

RV Roche Vitamins: 3 patents #39 of 198Top 20%
Hoffmann-La Roche: 2 patents #1,313 of 3,238Top 45%
📍 Riehen, CH: #82 of 314 inventorsTop 30%
Overall (All Time): #1,048,704 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6150561 Method of making carotenoids Peter Rudin, Werner Rudolph 2000-11-21
6066745 Process for the synthesis of vitamin E Marcel Baak, Werner Bonrath 2000-05-23
5670548 Pigmentation with carotenoids Kurt Bernhard, Jiri Broz, Urs Hengartner, Katharina Schiedt 1997-09-23
5605699 Pigmentation with carotenoids Kurt Bernhard, Jiri Broz, Urs Hengartner, Katharina Schiedt 1997-02-25
4883887 Sulfone polyene intermediates Kurt Bernhard, Stephan Jaggli, Ulrich Schwieter 1989-11-28