Title:
PROCESS FOR PRODUCING PAPER
Document Type and Number:
WIPO Patent Application WO/2004/081284
Kind Code:
A1
Abstract:
A process for producing paper comprising cellulosic fibers, aluminum sulfate, and titanium dioxide, which includes adding carboxymethyl cellulose having a degree of substitution with carboxymethyl of 0.3 to 0.6 to an aqueous slurry of cellulosic fibers and then adding thereto aluminum sulfate and titanium dioxide to prepare a papermaking stock. Thus, the content of titanium dioxide in the paper produced through a papermaking step can be improved.
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| WO/1997/016597 | PROCESS FOR PREPARING HYDROLYZABLE SHEET |
| WO/1997/013920 | BIODEGRADABLE AND HYDROLYZABLE SHEET |
| JPH069845 | AQUEOUS SUSPENSION OF POLYVINYL ALCOHOL |
Inventors:
GONDO TOMOHISA (JP)
WATANABE MASASUKE (JP)
HAKUTO KENJI (JP)
KITAO OSAMU (JP)
WATANABE MASASUKE (JP)
HAKUTO KENJI (JP)
KITAO OSAMU (JP)
Application Number:
PCT/JP2003/003014
Publication Date:
September 23, 2004
Filing Date:
March 13, 2003
Export Citation:
Assignee:
OJI PAPER CO (JP)
GONDO TOMOHISA (JP)
WATANABE MASASUKE (JP)
HAKUTO KENJI (JP)
KITAO OSAMU (JP)
GONDO TOMOHISA (JP)
WATANABE MASASUKE (JP)
HAKUTO KENJI (JP)
KITAO OSAMU (JP)
International Classes:
D21H17/26; D21H17/27; D21H17/67; (IPC1-7): D21H17/27; D21H17/67
Foreign References:
| JP2003089994A | 2003-03-28 | |||
| JPH08246389A | 1996-09-24 | |||
| JPS5860099A | 1983-04-09 | |||
| JPH073691A | 1995-01-06 |
Attorney, Agent or Firm:
Ishida, Takashi (ISHIDA & ASSOCIATES Toranomon 37 Mori
Bldg., 5-1, Toranomon 3-chom, Minato-ku Tokyo, JP)
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