Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2005-09-21
2008-12-02
Halpern, Mark (Department: 1791)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S183000, C162S164100, C162S168300, C162S158000
Reexamination Certificate
active
07459059
ABSTRACT:
The invention discloses a paper or paperboard produced from a slurry comprising cellulose fibers and an effective amount of SMS. In addition, a method for increasing retention and dewatering during the papermaking process is also disclosed. The method involves the addition of an effective amount of SMS to said papermaking process.
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Keiser Bruce A.
Sherman Laura M.
DiMattia Peter A.
Halpern Mark
Martin Michael B.
Nalco Company
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