Paper quality improver

Details Paper quality improver Paper quality improver

2003-08-27

2010-06-29

Griffin, Steven P (Department: 1791)

Paper making and fiber liberation

Processes and products

Non-fiber additive

C162S158000, C162S164100, C162S175000, C162S185000, C526S303100, C526S307400

Reexamination Certificate

active

07744725

ABSTRACT:
An additive for internal addition, which improves the paper qualities of a pulp sheet, such as stiffness and bulk which includes a polymer emulsion containing a natural cationic polymer (A) or synthetic cationic polymer (A′) and polymer particles (B) containing vinyl monomer-derived structural units.

REFERENCES:
patent: 3632535 (1972-01-01), Gramera et al.
patent: 4124439 (1978-11-01), Dessauer
patent: 4908240 (1990-03-01), Auhorn et al.
patent: 4940741 (1990-07-01), De Wacker et al.
patent: 4978427 (1990-12-01), Pfohl et al.
patent: 5167766 (1992-12-01), Honig et al.
patent: 5274055 (1993-12-01), Honig et al.
patent: 5431783 (1995-07-01), Honig
patent: 5536764 (1996-07-01), Nguyen et al.
patent: 6146494 (2000-11-01), Seger et al.
patent: 6193843 (2001-02-01), Tsai et al.
patent: 6753377 (2004-06-01), Niinikoski et al.
patent: 6800675 (2004-10-01), Pfalz et al.
patent: 2002/0053413 (2002-05-01), Zhang et al.
patent: 2002/0066540 (2002-06-01), Chen et al.
patent: 54-34409 (1979-03-01), None
patent: 3-227489 (1991-10-01), None
patent: 8-170296 (1996-07-01), None
patent: 2971447 (1999-08-01), None
patent: 11-302992 (1999-11-01), None
patent: 2000-265389 (2000-09-01), None
patent: 3283248 (2002-03-01), None
patent: 2002-115197 (2002-04-01), None
patent: WO-00/03090 (2000-01-01), None
patent: WO-00/46264 (2000-08-01), None
Brandrup et al, Polymer Handbook (4th Edition) John Wiley & Sons. (1999), [online] Table: Glass Transition Temperatures of Polymers [retrieved on May 12, 2006]. Retrieved from the internet: URL <http://www.knovel.com/knovel2/Toc.jsp?BookID=1163&VerticalID=0>.
Wurzburg, O.B. (“Modified Starches: Properties and Uses” CRC Press, Inc. Boca Raton, FL, 1986, pp. 116-117.
Carraher, Jr. “Polymer Chemistry” 4th ed, Marcel Dekker, Inc., 1996, p. 28.
Brandrup et al, editors, Polymer Handbook, 3rd ed, John Wiley and Sons, 1989, pp. V/71-V/72.

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