Composition

Details Composition Composition

2005-12-16

2010-02-09

Halpern, Mark (Department: 1791)

Paper making and fiber liberation

Processes and products

Non-fiber additive

C162S172000, C162S181100, C106S245000, C524S140000, C524S156000

Reexamination Certificate

active

07658819

ABSTRACT:
The invention relates to a composition used for enhancing softness in paper products. The composition comprises(i) an oil, fat or wax(i) at least one non-ionic surfactant(iii) at least one anionic compound selected from anionic microparticles and anionic surfactants(iv) at least one polymer which is cationic, non-ionic or amphotericwherein the non-ionic surfactant is added in an amount of from about 60 to about 1000 parts by weight per 100 parts by weight of the polymer. The invention also relates to a process for production of paper comprising adding said composition to a cellulosic suspension or to a wet or dry paper web.

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patent: 6288019 (2001-09-01), Mertens et al.
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patent: WO 97/30217 (1997-08-01), None
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patent: WO 02/12626 (2002-02-01), None
European Search Report of Application No. EP 04 10 7059 dated Jun. 24, 2005.
Abstract of CN1308107 for EPO on-line data base esp@cenet.
Iler, Ralph K., “Sols of Silica Particles with Modified Surfaces,” The Chemistry of Silica, John Wiley & Sons (1979) pp. 407-409.
“Pulp—Preparation of Laboratory Sheets for Physical Testing,” Scandinavian Pulp, Paper and Board Testing Committee, SCAN-C 26:76, SCAN-M 5:76 (Dec. 1975) pp. 1-4.
“Fluff—Specific Volume and Absorption Properties,” Scandinavian Pulp, Paper and Board Testing Committee, SCAN-C 33:80 (Jan. 1980) pp. 1-3.
“Fluff—Knot content,” Scandinavian Pulp, Paper and Board Testing Committee, SCAN-CM 37:85 (Aug. 1985) pp. 1-3.
“Board—Determination of bursting strength,” International Standard, ISO 2759 (Nov. 2001) pp. 1-11.

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