Aqueous pigmented inks for ink jet printers

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5221334
SERIAL NO

07714878

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A pigmented ink for ink jet printers which comprises an aqueous carrier medium, pigment particles dispersed in an AB or BAB block copolymer having a hydrophilic segment and a segment that links to the pigment, and an effective amount of a surfactant sufficient to decrease the drying time of the ink. The A block and the B block(s) have molecular weights of at least 300. These inks give images having good print quality, water and smear resistance, lightfastness, and storage stability.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
E I DU PONT DE NEMOURS AND COMPANY A CORP OF DELAWAREWILMINGTON DE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hochberg, Jerome Wilmington, DE 8 291
Ma, Sheau-Hwa Chaddsford, PA 84 2295
Matrick, Howard Highlands, NJ 25 1978
Shepard, Michele E Escondido, CA 5 382
Shor, Arthur C Concordville, PA 5 979
Spinelli, Harry J Wilmington, DE 30 2291

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 216 Citation Count
  • C09D Class
  • 99.34 % this patent is cited more than
  • 32 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges490391322101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6005101520253035404550556065707580859095

Forward Cite Landscape

Load Citation