Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for reducing aminoisophthalic acid bisamide related impurities in preparation of non-ionic X-ray contrast agents

Method for reducing aminoisophthalic acid bisamide related impurities in preparation of non-ionic X-ray contrast agents

US Patent 7863484 · Granted Jan 4, 2011

Estimated economic value: $34,615,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Alternative process for the purification of an intermediate in the synthesis of 2018
Alternative process for the purification of an intermediate in the synthesis of 2017
Alternative process for the purification of an intermediate in the synthesis of 2017
Alternative acetylation process in the synthesis of non-ionic X-ray contrast age2017
Preparation of intermediates of X-ray contrast agents2016
Synthesis of iodixanol in propyleneglycol2015
Synthesis of iodixanol in methanol2015
Synthesis of iodixanol in 1-methoxy-2-propanol and water or methanol2015
Purification process of iodixanol2011
Crystallization of iodixanol in isopropanol and methanol2010
Preparation of iodixanol2005
Preparation of tri-iodo benzene compounds2001