Hydrocarbon base oil for lubricants with very high viscosity index

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6599864
SERIAL NO

10070380

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterized in that said chains comprise a number of carbon atoms greater than 25 and have a ratio of the number of substituents consisting of at least two carbon atoms over the number of methyl-type substituents, not less than 0.9.

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Patent Owner(s)

Patent OwnerAddress
TOTAL RAFFINAGE DISTRIBUTION S A84 RUE DE VILLIERS 92300 LEVALLOIS PERRET

International Classification(s)

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  • 2002 Application Filing Year
  • C10M Class
  • 241 Applications Filed
  • 153 Patents Issued To-Date
  • 63.49 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200220032004200520062007200820092010201120120255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bertomeu, Olivier Le Havre, FR 1 32

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Patent Citation Ranking

  • 32 Citation Count
  • C10M Class
  • 94.66 % this patent is cited more than
  • 22 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges71314314451101 - 1011 - 2021 - 3031 - 4041 - 5071 - 80100 +0102030405060708090100110120130140

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