Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2011-03-29
2011-03-29
Daniels, Matthew J (Department: 1741)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S070000, C162S162000, C008S119000, C008S648000
Reexamination Certificate
active
07914646
ABSTRACT:
Oxidative compositions and processes that preserve and enhance the brightness and improve color of pulp or paper when applied during different stages of the papermaking process are identified. The oxidative composition and method maintains and/or enhances brightness, prevents yellowing, and enhances the performance of paper products. Used in combination with optical brighteners and/or chelants the oxidative agents produce a synergistic effect not previously identified in the paper process.
REFERENCES:
patent: 3018287 (1962-01-01), Fleck
patent: 3619355 (1971-11-01), Silberman
patent: 4435248 (1984-03-01), Arakawa
patent: 4576609 (1986-03-01), Hageman et al.
patent: 5464501 (1995-11-01), Kogan et al.
patent: 5637193 (1997-06-01), Hassi et al.
patent: 6302997 (2001-10-01), Hurter et al.
patent: 2002/0104627 (2002-08-01), Denton et al.
patent: 2003/0094252 (2003-05-01), Sundar et al.
patent: 2004/0050511 (2004-03-01), Lambert
patent: 2007/0193707 (2007-08-01), Nguyen
patent: 2007/0277947 (2007-12-01), Nguyen
patent: 0899373 (1999-03-01), None
patent: 104339 (1999-12-01), None
patent: WO 99/32710 (1999-07-01), None
patent: WO 00/32729 (2000-06-01), None
patent: WO 00/52258 (2000-08-01), None
patent: WO 2005001198 (2005-01-01), None
patent: WO 2005121442 (2005-12-01), None
Rocik Thomas, Optical Brighteners in Fine Papers, 1999, TAPPI Press,whole document.
Smook, Handbook for Pulp and Paper Technologists, 1992, Angus Wilde Publications, 2nd edition, p. 228, 283.
Certified English Translation WO 2005001198 Ochi et al.
Certified English Translation WO 2005 121442 Miyawaki et al.
Calgon Carbon Corporation website, About UV Oxidation and Disinfection [downloaded online from: www.uvdisinfections.com], 2003 [downloaded online Dec. 3, 2008], whole document.
Millipore Corporation, What is Ultraviolet Photo-Oxidation [downloaded online from www.millipore.com], 2008 downloaded online Dec. 3, 2008, whole document.
Gullichsen et al., Chemical Pulping 6A, 1999, Fapet Oy,p. A653.
Jukka Jakara et al, “The Use of Peracetic Acid As a Brightening Agent” Preprint-PAPTAC Annual Meeting, 87th, Montreal, QC, Canada Jan. 30-Feb. 1, 2001.
Jukka Jakara et al., “The Effect of Peracetic Acid in Fine Paper Production.” (Abstract) Appita Annual Conference Proceedings (2000), 54th (vol. 1), 169-174.
Jukka Jakara et al., The Use of Peracetic Acid As a Brightening Agent. (Abstract) Appita Ann. General Conf. Proc. (1999), 53rd (vol. 2), 463-467.
Broadus Katherine M.
Duggirala Prasad Y.
Shevchenko Sergey M.
Calandra Anthony J
Daniels Matthew J
Martin Michael B.
Nalco Company
LandOfFree
Compositions and processes for paper production does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Compositions and processes for paper production, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Compositions and processes for paper production will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2689134