Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2005-01-18
2005-01-18
Green, Anthony J. (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S172100, C106S726000, C536S084000, C536S090000, C536S091000, C536S095000, C536S096000, C536S099000
Reexamination Certificate
active
06843845
ABSTRACT:
An admixture comprising (A) a nonionic water-soluble hydroxyethyl cellulose and/or hydroxyethyl ethyl cellulose having a viscosity of at least 500 mPa·s as measured in a 1 wt % aqueous solution at 20° C., and (B) another nonionic water-soluble cellulose ether having a viscosity of at least 1,500 mPa·s as measured in a 1 wt % aqueous solution at 20° C. is suited for use in extrudable hydraulic compositions, because the hydraulic compositions comprising the admixture are effectively extrudable into hardened products having improved surface properties, minimized spring-back and good dimensional accuracy.
REFERENCES:
patent: 4784693 (1988-11-01), Kirkland et al.
patent: 56-155058 (1981-12-01), None
patent: 60-239348 (1986-11-01), None
patent: 1-294555 (1989-11-01), None
patent: 1-305838 (1989-12-01), None
patent: 2-102154 (1990-04-01), None
patent: 10-053448 (1998-02-01), None
Machine translation of Japanese Patent Specification No. 10-053448 A(Feb. 1998).
Sasage Yoshiaki
Yamakawa Tsutomu
Green Anthony J.
Shin-Etsu Chemical Co. , Ltd.
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