Disulfide or thiol polymeric hair dyes

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8641783
APP PUB NO 20130139328A1
SERIAL NO

13816527

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to the reaction product of (A) a polymeric backbone with (B) A chromophore; and with (C) at least one sulfide containing compound. Very good dyeing results are obtained with this new technology.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
BASF SE67056 LUDWIGSHAFEN AM RHEIN

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cremer, Christian Lorrach, DE 24 192
Frohling, Beate Neustadt, DE 24 144
Marquais-Bienewald, Sophie Hegenheim, FR 18 88

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 Aug 4, 2025
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