Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2007-04-03
2007-04-03
Cain, Edward J. (Department: 1714)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C106S464000
Reexamination Certificate
active
10530412
ABSTRACT:
An agglomerate comprising fine primary particles of an inorganic compound except for silica is provided, satisfying dp50: the average particle diameter [μm] of the agglomerate measured by Microtrac-FRA, a laser analysis type particle size distribution measurement apparatus, α: the value calculated by dividing the difference between the particle diameter d90of cumulative 90% minus sieve particles of the agglomerate and the particle diameter d10of cumulative 10% minus sieve particles of the agglomerate calculated by the Microtrac-FRA, Sw: the BET specific surface area [m2/g] of the agglomerate, St: the tensile strength [MPa] required to break the agglomerate with the particle diameter 4 μm, and, Sta: the tensile strength [MPa] required to break 30% of the particle diameter of the agglomerate with the particle diameter 4 μm, both St and Sta being measured by a micro compression testing machine manufactured by Shimadzu Corporation.The agglomerate of the present invention provides a resin composition excellent in the anti-blocking property and the stretching resistance property.
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International Search Report for corresponding International Application No. PCT/JP03/13127 dated Feb. 17, 2004.
Shibata Hiroshi
Shimizu Seiya
Armstrong Kratz Quintos Hanson & Brooks, LLP
Cain Edward J.
Maruo Calcium Company Limited
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