Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dermatics utilizing 17.beta.methyl-18 nor steroids and methods for their use

Dermatics utilizing 17.beta.methyl-18 nor steroids and methods for their use

US Patent 4859659 · Granted Aug 22, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Cytotoxic agents that preferentially target leukemia inhibitory factor (LIF) for2020
Longer-acting progestin prodrug contraceptives2020
Pro-drug forming compounds2019
Cytotoxic agents that preferentially target leukemia inhibitory factor (LIF) for2018
Combination of estrogens plus antiprogestins with significant partial agonistic 2017
Pro-drug forming compounds2017
Imidazolyl progesterone antagonists2015
Progesterone antagonists2014
18-methyl-19-nor-17-pregn-4-ene-21,17-carbolactones, as well as pharmaceutical p2013
Methods for the preparation of drospirenone2012
Progestational 3-(6,6-ethylene-17B-hydroxy-3-oxo-17A-pregna-4-ene-17A-yl)propion2012
Process for the production of fludarabine-phosphate lithium, sodium, potassium, 2009