Process for the manufacture of a precursor yarn

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United States of America

PATENT NO 12234577
APP PUB NO 20190085484A1
SERIAL NO

15766457

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Abstract

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The present invention relates to a method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of said fibers. Said method involves applying a water-free spin finish.

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Patent Owner(s)

  • STORA ENSO OYJ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Erdmann, Jens Berlin, DE 7 12
Ganster, Johannes Potsdam, DE 7 21
Garoff, Niklas Skarholmen, SE 11 22
Lehmann, Andre Potsdam, DE 5 21
Protz, Robert Potsdam, DE 4 2

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