Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2005-12-15
2010-11-09
Hug, Eric (Department: 1791)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S164600, C162S168300, C162S185000
Reexamination Certificate
active
07828934
ABSTRACT:
This invention relates to resins useful for imparting strength to paper, the process of incorporating these resins into paper and the paper produced containing the resins. In particular the invention relates to resins useful for imparting dry-strength and wet-strength to paper under conditions of high sulfite ion concentrations.
REFERENCES:
patent: 2963395 (1960-12-01), Back et. al.
patent: 3507743 (1970-04-01), Cartsunis et al.
patent: 3556932 (1971-01-01), Coscia et al.
patent: 3556933 (1971-01-01), Williams et al.
patent: 4603176 (1986-07-01), Bjorkquist et al.
patent: 4605702 (1986-08-01), Guerro et al.
patent: 4676263 (1987-06-01), Mahieu et al.
patent: 5723022 (1998-03-01), Dauplaise et al.
patent: 5954538 (1999-09-01), Huang
patent: 6238521 (2001-05-01), Shing et al.
patent: 2002/0134521 (2002-09-01), Shannon et al.
patent: 2005/0187356 (2005-08-01), Hagiopol et al.
patent: EP0678528 (1995-10-01), None
patent: 0 133 699 (1985-03-01), None
Roberts, J.C. “Paper Chemistry”, 1996, Chemistry of Paper, Cambridge Royal Society of Chemistry, GB, pp. 107-110.
Patent Abstract of Japan vol. 006 No. 040 (C-094), Mar. 12, 1982.
Patent Abstract, JP 56 157403 A (Sumitomo Chem. Co. Ltd), Dec. 4, 1981.
Wet Strength Resins and Their Applications, Chapter 3, Glyoxalated Polyacrylamide Resin, L.L. Chan, ISBN 0-89852-060-6, (1994).
Casey, Pulp and Paper, New York, Interscience Publishers, Inc. (1952).
Bakker Henk
Cyr Shane
Staib Ronald Richard
Stevels Willem Marinus
Cordray Dennis
Hercules Incorporated
Hug Eric
O'Brien Robert O'Flynn
Rossi Joanna Mary Fobare
LandOfFree
Reactive cationic resins for use as dry and wet strength... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reactive cationic resins for use as dry and wet strength..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reactive cationic resins for use as dry and wet strength... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4240879