Compositions including copolymers of vinylidene fluoride and tetrafluoroethylene and methods of using the same

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11312802
APP PUB NO 20190276656A1
SERIAL NO

16302539

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Abstract

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A composition includes a thermoplastic fluoropolymer having vinylidene fluoride units in an amount of at least 30 mole percent and tetrafluoroethylene units in an amount of at least 5 mole percent. The thermoplastic fluoropolymer is free of hexafluoropropylene units or comprises less than 5 mole percent hexafluoropropylene units. The composition further includes at least one of a non-fluorinated, thermoplastic polymer as a major component of the composition or a polymer processing additive synergist. A method of reducing melt defects during the extrusion of a polymer is also provided. Use of the thermoplastic fluoropolymer as a polymer processing additive is also provided.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 SAINT PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hutchens, Dale E Huntsville, US 7 36
Kaspar, Harald Burgkirchen, DE 91 1272
Lavallée, Claude Maplewood, US 10 12
Mamun, Shireen A Woodbury, US 5 9
Weilandt, Karl D Afton, US 16 23

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