Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 9, 2007
Grant Date -
Aug 11, 2005
app pub date -
May 14, 2003
filing date -
May 15, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A 4-phenyl-4-oxo-2-butenoate derivative is stably supplied in a short period of time, at low cost, in high purity and on an industrial scale by a process for producing the 4-phenyl-4-oxo-2-butenoate derivative, which comprises simultaneously or continuously reacting a sulfuric ester, an aromatic hydrocarbon and a maleic anhydride derivative.
First Claim
Family
International Classification(s)
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