Nitrite- and phosphate-free glycol-based coolant mixtures

United States of America Patent

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Mar 7, 1989
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N/A
app pub date
Feb 26, 1988
filing date
Mar 14, 1987

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Expired

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Abstract

Glycol-based coolant mixtures which are free of nitrites and phosphates contain alkali metal salts of bis(carboxyalkyloxyphenyl)-2,2-propane and stabilized silicate and also further corrosion-inhibiting additives.

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Patent Owner(s)

BASF AKTIENGESELLSCHAFT

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C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....

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[Patents Count]

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Inventor Name	Address	# of filed Patents	Total Citations
Frey, Guenter	Dannstadt-Schauernheim, DE	17	135
Gousetis, Charalampos	Ludwigshafen, DE	14	168
Liebold, Gert	Edingen-Neckarhausen, DE	6	84
Oppenlaender, Knut	Ludwigshafen, DE	85	906

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Nitrite- and phosphate-free glycol-based coolant mixtures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07160996

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PATENT NO	4810404
SERIAL NO	07160996
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07160996

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