Relating to lubricating compositions

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12031101
APP PUB NO 20180237718A1
SERIAL NO

15900842

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A lubricating oil composition, a method of reducing low-speed pre-ignition (LSPI) in a direct-injected spark-ignited internal combustion engine, and a use of a lubricant composition to reduce LSPI events in such an engine. Preferably, the composition comprises a detergent comprising an overbased calcium detergent having a total base number (TBN) of at least 150, wherein the lubricating oil composition has a calcium content of at least 0.08 wt. %, based on the weight of the lubricating oil composition, and wherein the lubricating oil composition has a silicon content of at least 12 ppm by weight, based on the weight of the lubricating oil composition.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
INFINEUM INTERNATIONAL LIMITEDMILTON HILL BUSINESS AND TECHNOLOGY CENTRE MILTON HILL ABINGDON OXFORDSHIRE OX13 6BD

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Crick, Simon Wallingford, GB 2 3
Shaw, Robert W Abingdon, GB 42 714
Stidder, Gregory Wantage, GB 1 3

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
3.5 Year Payment $1600.00 $800.00 $400.00 Jan 9, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jan 9, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 9, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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