Method for improving retention and drainage characteristics in alkaline papermaking
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 16, 1995
Issued Date -
N/A
app pub date -
Mar 24, 1994
filing date -
Apr 25, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A composition and method for improving the drainage and retention characteristics of a paper furnish consisting of a water soluble graft copolymer and bentonite clay. It is preferred that the graft copolymer be added to the furnish prior to at least one shear stage and that the bentonite clay be added after the shear stage.
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