Method of purifying lignin by subjecting a slurry comprising lignin to an electric field

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10913759
APP PUB NO 20170305949A1
SERIAL NO

15516281

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to a process for purifying, such as salt/ion depletion, and/or ash reduction, and/or sulphur removal, and/or free sugar depletion, and/or VOC depletion or fractionating, preferably by using dewatering, of a slurry comprising a lignin or lignin derivative or a combination thereof. A lignin or lignin derivative obtainable from said process and uses thereof are also disclosed.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • STORA ENSO OYJ

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Backfolk, Kaj Lappeenranta, FI 111 536
Gaidelis, Valentas Vilnius, LT 33 319
Heiskanen, Isto Imatra, FI 125 744
Sidaravicius, Jonas Vilnius, LT 22 74

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Aug 9, 2024
7.5 Year Payment $3600.00 $1800.00 $900.00 Aug 9, 2028
11.5 Year Payment $7400.00 $3700.00 $1850.00 Aug 9, 2032
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00