Electrophoretic dispersion

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9670367
SERIAL NO

14325261

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention is directed to an electrophoretic dispersion comprising charged pigment particles dispersed in a solvent or solvent mixture, wherein at least one type of the charged pigment particles has an aggregation size about 2 to about 10 times their primary size and/or has a PDI in the range of 0.1 to 0.3. The electrophoretic dispersion of the present invention is capable of improving both image bistability and contrast ratio through adjusting the size distribution of the charged pigment particles.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
E INK CORPORATION1000 TECHNOLOGY PARK DRIVE ATTN IP DEPARTMENT BILLERICA MA 01821-4165

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Du, Hui Milpitas, US 213 3515
Gu, Haiyan Fremont, US 46 911
Li, Yu Fremont, US 376 3295

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 6, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 6, 2028
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