Surfactant improvement for para-aminophenol process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 17, 1994
Grant Date -
N/A
app pub date -
Jun 9, 1992
filing date -
Jun 9, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The compound p-aminophenol is prepared by catalytically hydrogenating nitrobenzene in an acidic reaction medium containing an amine of the formula (I) ##STR1## wherein R represents an alkyl group having from 6 to about 20 carbon atoms; R.sub.1 and R.sub.2 are the same or different, and are represented by the formula --[(CH.sub.2).sub.m O].sub.n H, wherein m is an integer of from 1 to about 5 and n is an integer of from 1 to about 10.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
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