RK

Richard Kirchlechner

Merck: 3 patents #3,073 of 9,382Top 35%
Overall (All Time): #1,666,306 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5075452 Process for the preparation of 5-membered nitrogen containing heteroaromatics Michael Casutt, Arno Basedow 1991-12-24
4617293 Flavonoid phosphate salts of aminoglycoside antibiotics Helmut Wahlig, Elvira Dingeldein, Dieter Orth, Werner Rogalski 1986-10-14
4229582 Process for the preparation of sterically uniform, natural 6-thiatetracycline derivatives 1980-10-21