Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods for the preparation of drospirenone and intermediates thereof

Methods for the preparation of drospirenone and intermediates thereof

US Patent 8841283 · Granted Sep 23, 2014

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Process for the preparation of a PDE4 inhibitor2024
Process for the preparation of a PDE4 inhibitor2022
Process for the preparation of a PDE4 inhibitor2020
Process for the preparation of a PDE4 inhibitor2019
Process for the preparation of a PDE4 inhibitor2018
Process for the preparation of a PDE4 inhibitor2016
Process for preparing 11-methylene-18-methyl-estr-4-en-3, 17-dione, useful as in2016
Process for the preparation of trivalent iron complexes with mono-, di- and poly2015
Process for the preparation of trivalent iron complexes with mono-, di- and poly2014
Process for the preparation of drospirenone2013
Process for the preparation of drospirenone2013
Process for the preparation of drospirenone2013