Bleaching and dyeing; fluid treatment and chemical modification – Natural fiber dyeing – Paper
Reexamination Certificate
2005-05-17
2005-05-17
Le, Hoa Van (Department: 1752)
Bleaching and dyeing; fluid treatment and chemical modification
Natural fiber dyeing
Paper
C008S115510, C162S009000
Reexamination Certificate
active
06893473
ABSTRACT:
Whitened fluff pulp and methods for making whitened fluff pulp. The whitened pulp is a fluff pulp that has been treated with one or more of a white pigment, a colorant, or a fluorescent whitening agent.
REFERENCES:
patent: 5482514 (1996-01-01), von Raven
patent: 5536369 (1996-07-01), Norlander
patent: 5766212 (1998-06-01), Jitoe et al.
patent: 5834095 (1998-11-01), Dutkiewicz et al.
patent: 5944952 (1999-08-01), Shackford et al.
Lee David L.
Neogi Amar N.
West Hugh
Christensen O'Connor Johnson & Kindness PLLC
Le Hoa Van
Weyerhaeuser.Company
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