Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Preparation of 1'-ethoxycarbonyl-oxyethyl esters of penicillins

Preparation of 1'-ethoxycarbonyl-oxyethyl esters of penicillins

US Patent 4889929 · Granted Dec 26, 1989

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Compositions and methods for treating atherosclerotic cardiovascular disease2023
Proteins modified with (amino) monosaccharide-biotin adduct2020
Genetic markers predictive of response to glatiramer acetate2017
Palonosetron salts and processes for preparation and purification thereof2012
Derivatives of 1,2-benzisoxazole-3-methane sulfonic acid as novel intermediates 2010
Process for preparing temozolomide2009
Use of purified donepezil maleate for preparing pharmaceutically pure amorphous 2009
Processes for the preparation of rocuronium bromide and intermediates thereof2009
Process for preparing 1-(mercaptomethyl)cyclopropaneacetic acid, a useful interm2009
Stable amorphous forms of montelukast sodium2009
Letrozole production process2009
Process for preparing montelukast and salts thereof2009