EC

Erich Cohnen

BA Beiersdorf Ag: 3 patents #1 of 15Top 7%
Overall (1982): #5,202 of 81,411Top 7%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4358460 Substituted 3-aryl-2-cycloalken-1-one and method of preparation thereof 1982-11-09
4323570 Substituted aminopyrimidines Wolfgang Stenzel, Wolfgang Fleck, Ben Armah 1982-04-06
4318915 Substituted guandines and methods of preparation thereof Ben Armah, Eva Hofferber 1982-03-09