Use of anionic surfactant/dispersant blends for the deinking of groundwood newsprint
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 10, 1992
Grant Date -
N/A
app pub date -
Sep 19, 1990
filing date -
Sep 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A composition and method for the improved deinking of groundwood newsprint is disclosed. The composition comprises an amount, effective for the intended purpose, of: 1) an anionic surfactant, e.g., the ammonium or sodium salts of a sulfated ethoxylate derived from a 12 to 14 carbon linear primary alcohol blend, and 2) a dispersant, e.g., naphthalene-formaldehyde condensates. The method comprises administering a sufficient amount of this combined treatment to a sample of groundwood newsprint for which treatment is desired.
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