Carbon fiber

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8834997
APP PUB NO 20090092831A1
SERIAL NO

12226581

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Carbon fibers and carbon fiber yarn consisting of carbon fibers, the fibers having been pretreated by electrochemical oxidation, characterized in that they have a finish consisting of epoxy resin(s), a vinyl component, and a plasticizer in an amount of 0.3 to 5 wt. % relative to the carbon fibers, which are to be provided with the finish.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
TOHO TENAX EUROPE GMBH42103 WUPPERTAL

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schubert, Matthias Wuppertal, DE 23 204
Stuesgen, Silke Dusseldorf, DE 1 1
Wohlmann, Bernd Dusseldorf, DE 17 132

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Mar 16, 2026
Fee Large entity fee small entity fee micro entity fee
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