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US 4,301,047 AGranted
Free-flowing polyolefin molding composition of high filler content, process for its manufacture and its use
AssigneeHoechst Aktiengesellschaft
InventorBarry M. Jones
Life of this patent
Estimating the term…
Abstract
Free-flowing polyolefin molding compositions having a very high filler content are obtained, if instead of the individual fillers there is used a mixture of wood flour and chalk or talc.
Claims5
A free-flowing polyolefin molding composition having a high filler content and containing from 40 to 60% by weight of polyolefin powder and from 60 to 40% by weight of a filler mixture of from 30 to 75 parts by weight of wood flour and from 70 to 25 parts by weight of chalk or talc.
Dependencies are inferred from the claim text.