Inventor · Wayne, PA, US

Mark A. Levy

22Patents
9h-index
10Co-inventors
68Inventor score

Filing activity: Nov 29, 1978 → Oct 20, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4910226A Steroid 5-alpha-reductase inhibitors Chemistry; Metallurgy 40 Expired
US4882319A Phosphonic acid substituted aromatic steroids as inhibitors of steroid 5-.alpha.-reductase Human Necessities 40 Expired
US5017568A Steriod 5-alpha-reductase inhibitors Chemistry; Metallurgy 31 Expired
US4888336A Steroid 5-alpha-reductase inhibitors Chemistry; Metallurgy 28 Expired
US4937237A Phosphinic acid substituted aromatic steroids as inhibitors of steroid 5-60 -reductase Human Necessities 21 Expired
US5110939A Intermediates in the preparation of steriod 5-alpha-reductase inhibitors Chemistry; Metallurgy 17 Expired
US4222162A Screen repair Emerging Cross-Sectional Technologies 14 Expired
US5032586A 7-keto or hydroxy 3,5-diene steroids as inhibitors of steroid 5-alpha reductase Chemistry; Metallurgy 11 Expired
US5041433A 11-keto or hydroxy 3,5-diene steroids as inhibitors of steriod 5-.alpha.-reductase Chemistry; Metallurgy 11 Expired
US4954446A Aromatic steroid 5-.alpha.-reductase inhibitors Chemistry; Metallurgy 8 Expired
US5137882A Steroidal 3-acetic acid derivatives as 5-alpha-reductase inhibitors Human Necessities 8 Expired
US4946834A Phosphonic acid substituted steroids as steroid 5.alpha.-reductase inhibitors Chemistry; Metallurgy 7 Expired
US5237065A Steroid 5-alpha-reductase inhibitors Chemistry; Metallurgy 6 Expired
US5641765A 17-.alpha.and 17-.beta.substituted acyl-3-carboxy-3,5-dienes and use in inhibiting 5-.alpha.-reductase Chemistry; Metallurgy 3 Expired
US4970205A Sulfonic acid substituted aromatic steroids as inhibitors of steroid 5-.alpha.-reductase Chemistry; Metallurgy 3 Expired
US4970204A 3-substituted nitro-steroid derivatives as 5-.alpha.-reductase inhibitors Chemistry; Metallurgy 2 Expired
US5026882A Phosphinic acid substituted steroids as inhibitors of steroid 5.alpha.-reductase Chemistry; Metallurgy 2 Expired
US5527806A 17.alpha. and 17.beta. substituted acyl 4 aza steroids Chemistry; Metallurgy 1 Expired
US5604214A Reduction of boar odor in meat Human Necessities 0 Expired
US5641877A 17-.alpha. and 17-.beta. substituted acyl-3-carboxy-3, 5-dienes and use in inhibiting 5-.alpha.-reductase Chemistry; Metallurgy 0 Expired
US5683995A 17 substituted acyl-3-carboxy 3,5-diene steroidals as .alpha.-reductase inhibitors Chemistry; Metallurgy 0 Expired
US5618806A 17.alpha. and 17.beta.-substituted estra-1,3,5(10)-triene-3-carbboxlic acid Chemistry; Metallurgy 0 Expired

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