Method for maintaining the activity of zeolite catalysts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 26, 1991
Grant Date -
N/A
app pub date -
May 17, 1989
filing date -
May 20, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is provided a method for maintaining the activity of a zeolite catalyst in the catalytic production of methylamines from methanol and ammonia using a zeolite catalyst as at least one of catalysts applied, which comprises controlling the amount of aldehyde compounds as impurities flowing into a zeolite catalyst layer to about 0.15 g/hr.kg-cat. or lower, as calculated in terms of formaldehyde.
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