Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-06-14
1983-10-04
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523204, 523205, 523223, 524322, 524394, 524399, 524400, 524427, 524583, C08K 326
Patent
active
044079869
ABSTRACT:
A polypropylene composition comprising a crystalline polypropylene and a precipitated calcium carbonate which is subjected to a surface-treatment with a suitable dispersant, and has an average particle diameter of from 0.1 to 0.4.mu..
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Brackman et al., "Polypropylene Comp. Containing Calcium Carbonate".
Derwent Abst. 24447 A/13 (2-17-78) Showa (JS3017053).
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Hara Koichi
Nomura Manabu
Sugi Norio
Tanaka Takayoshi
Idemitsu Petrochemical Co. Ltd.
Lilling Herbert J.
Marquis Melvyn I.
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