Selected n,1-disubstituted hydrazine-carboxamides and their...

C - Chemistry – Metallurgy – 10 – M

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253/104, 44/26,

C10M 105/68 (2006.01) C09K 15/22 (2006.01) C10L 1/22 (2006.01) C10L 1/222 (2006.01) C10M 133/20 (2006.01)

Patent

CA 1212695

SELECTED N,1-DISUBSTITUTED HYDRAZINECARBOXAMIDES AND THEIR USE AS ANTIOXIDANTS Abstract Disclosed are selected N,1-disubstituted hydrazinecarboxamides having the formula Image ( I ) wherein R1 is selected from the group consisting of alkyl containing from 1 to about 20 carbon atoms, aromatic containing from about 6 to about 12 carbon atoms, and cycloalkyl containing from about 5 to about 10 carbon atoms, and wherein R2 is selected from the group consisting of alkyl containing from 1 to about 20 carbon atoms and hydroxyalkyl containing from 2 to about 20 carbon atoms. These compounds have utility as antioxidants for a variety of organic compounds subject to oxidative degradation, including functional fluids such as petroleum fuels and lubricants. Selected hydrazinecarboxamides having the aforesaid formula are also novel compounds.

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