antiknock


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Related to antiknock: antiperspirant
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Synonyms for antiknock

any of various compounds that are added to gasoline to reduce engine knocking

suppressing or eliminating engine knock in combustion engines

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References in periodicals archive ?
Midgrade Gasoline: Gasoline having an antiknock index, i.
Fortunately, the new alternative methods of improving the antiknock properties of petrol are now available and include the application of up-to-date technologies and chemical processing techniques in the production of petrol and the use of high octane number components (oxygenates).
In 2002, of the published patents and patent applications 57% described deposit control additives, 26% antiknock agents, 5% combustion improvers, 5% water stabilizers in petrol, 3% antioxidants, inhibitors, stabilizers, and others (emission reducing additives, antiwear agents, de-emulsifiers, etc.
Octel is one of the world's leading producers of octane-enhancing fuel additives for leaded, antiknock gasoline.
With a biological version of a premium antiknock agent in its portfolio (methyl tert-butyl ether, or MTBE), Evonik now offers oil companies a new option for significantly increasing the biocontent of their fuels and reducing their carbon footprint.
0625 Notes to Consolidated Statements of Income (a) Effective January 1, 2000, Ethyl entered into sales and marketing agreements with the Alcor group, to market and sell tetraethyl lead ("TEL") antiknock compounds.
The AlkyClean solid acid alkylation process can significantly improve the safety of existing refinery processes and reduce potential hazards associated with transportation and handling of liquid acids used to produce alkylate, the high-octane blending component that is used to improve the antiknock value of fuels.
a) On October 1, 1998, Ethyl entered into sales and marketing agreements with The Associated Octel Company Limited (Octel), to market and sell tetraethyl lead (TEL) antiknock compounds.
ATHENS, Greece, June 20 /PRNewswire-FirstCall/ -- Specialty chemicals maker Albemarle Corporation and its partners ABB Lummus Global and Neste Oil have developed and tested a new higher performance solid acid catalyst for their leading-edge AlkyClean solid acid alkylation process, a low-risk process that can drastically improve the process safety of existing refinery processes and reduce hazards associated with transportation and handling of liquid acids used to produce alkylate, the high-octane blending component that is used to improve the antiknock value of fuels.
Paramount among Midgley's achievements was the discovery and development of gasoline antiknock compounds, an event that helped to lay the groundwork for unlimited automotive progress.
agreements with The Associated Octel Company Limited ("Octel"), to market and sell tetraethyl lead ("TEL") antiknock compounds.
Higher lead antiknock earnings contributed to the improved first quarter earnings in 1999 while the earnings for this business segment were unusually low in the first quarter 1998.
Octane number is a measurement of antiknock performance of gasoline -- the higher the octane number, the greater the gasoline's resistance to knock, also known as pre-ignition or "ping".
2 /PRNewswire/ -- Ethyl Corporation (NYSE: EY) reported today that lower selling prices, reflecting the highly competitive nature of the petroleum additives and lead antiknock markets in 1998 resulted in lower net income compared to 1997.
29 /PRNewswire/ -- Ethyl Corporation (NYSE: EY) is pleased to announce it has signed an agreement with The Associated Octel Company Limited, to market and sell tetraethyl lead (TEL) antiknock compounds.