Fibrous product containing densifying agent

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6340411
SERIAL NO

09167995

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Abstract

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A densifying agent is applied to fibers in order to improve the densification properties of the fibers. The fibers have hydrogen bonding functional groups. The densifying agent are denser than the fibers to which the densifying agent is applied. The densifying agent can be organic or inorganic. The improved densification properties are observed without the presence of particles bound to the fibers or in the presence of particles that are not bound to the fibers. Softening agents can also be applied to the fibers in order to soften the fibers and articles including such fibers. Softening agents may be selected from the group of densifying agents.

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Patent Owner(s)

Patent OwnerAddress
WEYERHAEUSER NR COMPANYPO BOX 9777 CH1J27 FEDERAL WAY WA 98063-9777

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hansen, Michael R Seattle, WA 58 4001
Young, Sr Richard H Renton, WA 38 3328

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