Paper making and fiber liberation – Processes and products – Non-fiber additive
Reexamination Certificate
2007-11-20
2007-11-20
Griffin, Steven P. (Department: 1731)
Paper making and fiber liberation
Processes and products
Non-fiber additive
C162S123000, C162S158000, C524S500000
Reexamination Certificate
active
10893094
ABSTRACT:
Topically-applied binder materials for imparting wet strength to soft, absorbent paper sheets, such as are useful as household paper towels and the like, include an azetidinium-reactive polymer, such as a carboxyl-functional polymer, an azetidinium-functional polymer and, optionally, a component useful for reducing sheet-to-sheet adhesion (blocking) in the product. These binder materials can be cured at ambient temperature over a period of days and do not impart objectionable odor to final product when wetted.
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pat
Goulet Mike Thomas
Mathews Tracy Ho
Pomeroy Stacey Lynn
Tirimacco Maurizio
Cordray Dennis R.
Croft Gregory E.
Griffin Steven P.
Kimberly--Clark Worldwide, Inc.
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