Production process of indene
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 16, 2004
Grant Date -
Sep 27, 2001
app pub date -
Jan 25, 2001
filing date -
Jan 26, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
Indene is produced from an indene-containing coal tar distillate by adding a glycol to the indene-containing coal tar distillate and then conducting azeotropic distillation to obtain an indene fraction while eliminating benzonitrile from the indene-containing coal tar distillate.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
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