Patent · US Active

Method for producing a lignin fiber

US9446955B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignee

INNVENTIA AB · SE

Inventors

Elisabeth Sjholm · Märsta, SE
Goran Gellerstedt · Sollentuna, SE
Rickard Drougge · Märsta, SE
Ida Norberg · Sollentuna, SE
Ylva Nordstrom · Danderyd, SE

Key dates

Filing date	Feb 13, 2012
Grant date	Sep 20, 2016
Priority date	—
Expiry date	Feb 8, 2033

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01F9/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Disclosed is a method of producing a continuous lignin fiber from softwood and/or hardwood alkali lignin. The lignin fiber can be further treated to obtain structural carbon fiber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.