or
Bookmark and Share
Process for the production of DTPA-bis anhydride
   
Document Number
US Patent 7541019
Issued Date
June 2, 2009
Link
Inventors
Map
Abstract
Process for the production of DTPA-bis(anhydride) by reacting DTPA with acetic anhydride in pyridine under elevated temperature wherein the molar amount of pyridine is equal to or less than 6 times the molar amount of DTPA.
Tags:
Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
Number of Claims:
16
Comments:
no comments yet
Owner
Published
June 2, 2009
Application Number
10/582,698
Filed
December 16, 2004
US Classification
424/1.65  
Int'l Classification
A61K   51/00   (20060101)   A61M   36/14   (20060101)  
Assistant Examiner
Attorney/Law Firm
Priority Data
Dec 19, 2003 [NO] 20035745
USPTO Field of Search
424/1.65  
Related Patents
Claims
Description
About| FAQs| Terms & Disclaimer| Link to Us| Contact Us
© 2009 - WikiPatents, Inc.
Not affiliated with Wikipedia.