Polymer comprising an unsymmetric diarylaminofluorene unit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9859499
SERIAL NO

14372529

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A polymer comprising one or more optionally substituted repeat units of formula (I): (I) wherein each Ar1 independently represents a substituted or unsubstituted aromatic or heteroaromatic group; each Ar2 independently represents a substituted or unsubstituted aromatic or heteroaromatic group; n and m in each occurrence is at least 1; and R1 and R2 are substituents wherein R1 and R2 are different.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • CAMBRIDGE DISPLAY TECHNOLOGY LIMITED;SUMITOMO CHEMICAL COMPANY, LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heidenhain, Sophie Barbara Lower Cambourne, GB 6 17
McKiernan, Mary J Pangbourne, GB 9 58
Pegington, Ruth Godmanchester, GB 20 101

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 Jul 2, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 2, 2029
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