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US 4,376,851 AGranted
Solid polymers of olefins and production of such polymers
AssigneePhillips Petroleum Company
InventorsJohn P. Hogan, Robert L. Banks
Life of this patent
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Abstract
1. Normally solid polypropylene, consisting essentially of recurring propylene units, having a substantial crystalline polypropylene content.
Claims1
Normally solid polypropylene, consisting essentially of recurring polypropylene units, having a substantial crystalline polypropylene content.
Dependencies are inferred from the claim text.