RH

Rainer Hamprecht

BH Bayer Healthcare: 2 patents #186 of 716Top 30%
Overall (1989): #18,095 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4888432 Process for preparing 2-amino-thiophenes and azo dyestuffs prepared therefrom — 1989-12-19
4808723 Process for the preparation of benzothiazoles — 1989-02-28