LUBRICANT FOR PREVENTING AND REMOVING CARBON DEPOSITS IN INTERNAL COMBUSTION ENGINES

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United States of America Patent

APP PUB NO 20170029734A1
SERIAL NO

15302341

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A lubricant formulation which is effective to remove or prevent carbon deposits in internal combustion engines has a solvency as defined by aniline point from about 20 to about 115, a volatility (as measured by NOACK) of less than 15%, an oxidative stability (as measured by PDSC) of above 40 minutes and a base oil viscosity of above 2 and below 10 cSt. The lubricant formulation can be formed from a blend of Group III, IV and V lubricants, in particularly polyalphaolefins, alkylated naphthalenes and polar Group V base stocks such as polyol esters. The carbon deposits can be removed from the engine piston by simply running the engine with the lubricant for one required cycle, or can be used continuously in the engine to prevent buildup.

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Patent Owner(s)

Patent OwnerAddress
VGP IPCO LLC100 VALVOLINE WAY SUITE 200 LEXINGTON KY 40509

International Classification(s)

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  • 2015 Application Filing Year
  • C10M Class
  • 449 Applications Filed
  • 316 Patents Issued To-Date
  • 70.38 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daasch, Jamie Lexington, US 1 1
Dotson, Daniel J Lexington, US 10 262
Frederick, Joshua Lexington, US 18 130
Lockwood, Frances E Georgetown, US 55 1025
Yang, Ying Shanghai, CN 168 1582

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  • 1 Citation Count
  • C10M Class
  • 28.32 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges811911401 - 1011 - 200102030405060708090100110120130140150160170180190200210

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