Synthesis of heteropolyacids
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 24, 2002
Grant Date -
May 9, 2002
app pub date -
Jun 5, 2001
filing date -
Dec 18, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one liquid/liquid extraction step with an organic solvent, characterized in that the organic solvent comprises a dihydrocarbyl ether having at least 5 carbon atoms.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully