Support covered with a chitosan-based coating and method for...

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

Reexamination Certificate

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Details

C428S393000, C428S394000, C428S532000, C427S356000, C427S372200, C427S384000, C427S420000, C427S416000

Reexamination Certificate

active

10508870

ABSTRACT:
Support based on organic and/or inorganic fibres covered at least on one of the faces thereof with a chitosan-based layer, characterized in that the layer is obtained by depositing a chitosan-based aqueous solution, the average molar mass of which has a mass less then 130 000 g/mol, the concentration of which is between 6 and 30% by weight and the viscosity of which is between 100 and 3000 cps.

REFERENCES:
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patent: 43 03 415 (1994-08-01), None
patent: WO 02 06410 (2002-01-01), None
Patent Abstracts of Japan, vol. 2002, No. 2, Apr. 2, 2002 & JP 2001 288695 A (Nippon Paper Industries Co. Ltd.), Oct. 19, 2001.
Patent Abstracts of Japan, vol. 2000, No. 18, Jun. 5, 2001 & JP 01 014396 A (DIC Hercules Chem. Inc.; Kimitsu Kagaku Kogyo KK), Jan. 18, 1989.
Patent Abstracts of Japan, vol. 014, No. 126, Mar. 9, 1990 & JP 02 002303 A (Agency of Ind. Science & Technol.), Jan. 8, 1990.
Patent Abstracts of Japan, vol. 017, No. 079, Feb. 17, 1993 & JP 04 279678 A (Momoki Nakagawa; Others: 01), Oct. 5, 1992.
Database WPI, Week 199026, Derwent Publications Ltd., AN 1990-196200, XP002221823 & JP 02 127596 A (Fujimori Ind. Co. Ltd.), May 16, 1990.
Database WPI, Section Ch, Week 199216, Derwent Publications Ltd., AN 1992-126424, XP002246166 & JP 04 065579 A (Toray Ind. Inc.), Mar. 2, 1992.

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