INK COMPOSITION INCLUDING A MODIFIED POLYMER OR COPOLYMER ADDITIVE

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United States of America Patent

SERIAL NO

15543434

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An ink composition includes water, a co-solvent, a colorant, and a modified polymer or copolymer additive. The modified polymer or copolymer additive is selected from the group consisting of i) a hydrolyzed poly(isobutylene-alt-maleic anhydride), ii) a hydrolyzed poly(maleic anhydride-alt-1-octadecene), and iii) a modified polymer or copolymer. The modified polymer or copolymer includes a repeating unit of a backbone chain, and a long chain pendant group attached to a carbon atom of the repeating unit. In the backbone chain, the long chain pendant group of the repeating unit is separated by fewer than 8 spacer carbon atoms from another long chain pendant group of an adjacent repeating unit.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

International Classification(s)

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  • 2015 Application Filing Year
  • C08F Class
  • 2246 Applications Filed
  • 1854 Patents Issued To-Date
  • 82.55 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harvey, Natalie Corvallis, US 14 3
Jakubek, Vladimir Corvallis, US 23 93
McManus, Richard J Corvallis, US 29 136
Vasudevan, Sundar Corvallis, US 35 231

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Patent Citation Ranking

  • 1 Citation Count
  • C08F Class
  • 38.55 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges5628186214201 - 1011 - 2021 - 3031 - 40050100150200250300350400450500550600650700750800850900

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