Compositions based on ethylene-vinyl acetate copolymers and their use as anti-gelling additives of paraffinic crude oils

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United States of America Patent

PATENT NO 10370607
APP PUB NO 20170029732A1
SERIAL NO

15102138

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Abstract

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A polymeric composition suitable for lowering the Pour Point of paraffinic crude oils comprising a synergic mixture including at least two ethylene-vinyl acetate copolymers respectively having an average molecular weight Mw lower than 130,000 Dalton (measured via GPC), a content of vinyl acetate monomer ranging from 15 to 50% by weight, with the proviso that the content of vinyl acetate monomer in the respective copolymers differs from one copolymer to another, by over 5%, on a weight basis.

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Patent Owner(s)

Patent OwnerAddress
ENI S P APIAZZALE E MATTEI 1 ROME I-00144
VERSALIS S P AITALY MILAN MILAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agnoli, Michela Verona, IL 2 1
Casalini, Alessandro Mantova, IL 30 153
Mariani, Paolo Milan, IT 7 6
Merlini, Massimo Milan, IL 2 1

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