Invention Grant
- Patent Title: Methods and uses for controlling deposits on valves in direct-injection spark-ignition engines
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Application No.: US14905093Application Date: 2014-08-21
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Publication No.: US11685873B2Publication Date: 2023-06-27
- Inventor: Robert Edward Allan , Ross Alexander Dewhurst , Michael John Grundy , David Michael Williamson
- Applicant: BP OIL INTERNATIONAL LIMITED
- Applicant Address: GB Middlesex
- Assignee: BP OIL INTERNATIONAL LIMITED
- Current Assignee: BP OIL INTERNATIONAL LIMITED
- Current Assignee Address: GB Middlesex
- Agency: McDonnell, Boehnen, Hulbert & Berghoff LLP
- Priority: EP 181875 2013.08.27
- International Application: PCT/EP2014/067868 2014.08.21
- International Announcement: WO2015/028391A 2015.03.05
- Date entered country: 2016-01-14
- Main IPC: C10L10/06
- IPC: C10L10/06 ; C10L1/22 ; C10L10/18 ; C10L1/14 ; C10L1/238 ; C10L1/2383 ; C10L1/198 ; C10L1/2387 ; C10L1/222 ; C10L1/236
Abstract:
The use as a valve deposit controlling additive in a fuel composition for a direct injection spark-ignition internal combustion engine of a combination of: a) at least one hydrocarbyl-substituted aromatic compound; and b) at least one polyalkylene amine.
Public/Granted literature
- US20160160143A1 Methods and Uses for Controlling Deposits on Valves in Direct-Injection Spark-Ignition Engines Public/Granted day:2016-06-09
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