Simplified bleaching process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 9, 1980
Grant Date -
N/A
app pub date -
Apr 30, 1979
filing date -
Apr 30, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
A multi-stage, bleaching process for alkaline cooked pulps, including at least four bleaching stages and no more than three washing steps, is provided, wherein certain of the bleaching stages are shortened to less than about 15 minutes.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
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