Stabilization of lignin fibers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10316051
APP PUB NO 20170137451A1
SERIAL NO

15322780

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for stabilizing lignin fibers, stabilized lignin fibers made by the process and carbonized fibers made from stabilized lignin fibers. The process includes heating lignin fibers to a temperature ranging from about 100° to about 220° C. while the fibers are in an atmosphere of air and HCl gas, generated as air is bubbled through concentrated hydrochloric acid for a period of time sufficient to stabilize the lignin fibers.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • PRISMA RENEWABLE COMPOSITES, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Vakili, Ahmad D Tullahoma, US 7 56
Yue, Zhongren Tullahoma, US 4 38

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 11, 2026
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 11, 2030
Fee Large entity fee small entity fee micro entity fee
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