Inventor · Aachen, DE

Werner Winter

17Patents
8h-index
34Co-inventors
72Inventor score

Filing activity: Sep 22, 1972 → Dec 14, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5801201A 1-phenyl-2-dimenthylaminomethyl-cyclohexan-1-ol compounds as pharmaceutical active ingredients Emerging Cross-Sectional Technologies 95 Expired
US4382943A Anti-allergic aryl ether derivatives Human Necessities 38 Expired
US5728885A Method of preparing the enantiomers of O-dimethyltramadol Chemistry; Metallurgy 11 Expired
US6417197B1 Acylated n-hydroxy methyl thalidomide prodrugs with immunomodulator action Emerging Cross-Sectional Technologies 11 Expired
US4070373A Tricyclic aminoalkyl derivatives Chemistry; Metallurgy 10 Expired
US4427680A 1,2-Dihydroquinolines connected via an oxyalkyl group with a piperidine ring and having anti-allergic action Human Necessities 9 Expired
US4234585A 1,2-Dihydroquinoline-2-one derivatives Chemistry; Metallurgy 9 Expired
US6110941A Compounds analogous to thalidomide from the class comprising piperidine-2,6-diones Human Necessities 9 Expired
US4330549A Coumarins connected via an oxyalkyl group with a piperidine ring having anti-allergic action Human Necessities 8 Expired
US4232024A 1-Oxo-1H-pyrimido[6,1-b]benzthiazole derivatives Chemistry; Metallurgy 7 Expired
US5723668A Method of separating the racemate of tramadol Chemistry; Metallurgy 7 Expired
US3944566A Tricyclic substituted aminoalcohols Chemistry; Metallurgy 6 Expired
US3996361A N.sup.6 -Substituted-9-[3-(4-phenyl-piperazino)-propyl]-adenines Human Necessities 6 Expired
US4092416A Benzopyrone derivatives exhibiting anti-allergic activity Chemistry; Metallurgy 6 Expired
US4760087A Phenol derivatives and pharmaceutical compositions containing these compounds Chemistry; Metallurgy 3 Expired
US5852216A Preparation and use of (3-alkoxy-phenyl) magnesium chlorides Chemistry; Metallurgy 2 Expired
US4959391A Phenol derivatives, pharmaceutical compositions containing these compounds and processes for the preparation of these compounds and compositions Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.