公开(公告)号：ZA7502955B

公开(公告)日：1976-03-31

申请号：ZA7502955

申请日：1975-05-07

Applicant: SNAM PROGETTI

Inventor： IMPARATO L ,  SCHILLANI D ,  MANCINI G

IPC: C10M105/36 ,  C07C20060101 ,  C07C67/00 ,  C07C67/08 ,  C07C69/00 ,  C07C69/02 ,  C07C69/18 ,  C07C69/22 ,  C07C69/30 ,  C07C69/33 ,  C09K3/00 ,  C10M20060101 ,  C10M105/32 ,  C10M105/38 ,  C10M129/74 ,  C10M169/00 ,  C10N20/02 ,  C10N30/02 ,  C10N30/08 ,  C10N30/10 ,  C10N40/25 ,  C07C

CPC classification number: C10M1/08 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/283 ,  C10M2207/286 ,  C10M2207/287 ,  C10M2209/109

公开(公告)号：NO752308L

公开(公告)日：1976-01-06

申请号：NO752308

申请日：1975-06-26

Applicant: SNAM PROGETTI

Inventor： FATTORI S ,  ROSSI E ,  IMPARATO L

IPC: C07C45/64 ,  C08L71/00 ,  C07C46/00 ,  C07C47/57 ,  C07C49/245 ,  C07C49/83 ,  C07C50/06 ,  C07C50/28 ,  C07C50/38 ,  C08K5/00 ,  C08K5/13 ,  C08K5/18 ,  C08K5/32 ,  C08L71/02 ,  C08L71/03 ,  C08L

Abstract: A composition comprising a poly-alkyleneglycol is stablized against molecular degradation and viscosity loss at elevated temperatures by about 0.1 to about 10% by weight of an arylhydroquinone such as p-acetylphenylhydroquinone.

公开(公告)号：NO744592L

公开(公告)日：1975-07-14

申请号：NO744592

申请日：1974-12-19

Applicant: SNAM PROGETTI

Inventor： ROSSI E ,  FATTORI S ,  IMPARATO L

IPC: C07D513/04 ,  C10M20060101 ,  C10M169/00 ,  C10M

Abstract: A mineral or synthetic lubricating oil is protected against oxidation by dissolving therein, at a temperature not higher than 80 DEG C, a 3-aza-6a-thio-thiophthene or a 3,4-diaza-6a-thio-thiophthene represented by the general formulae: wherein, R, R1 and R2, the same or different, represent hydrogen, alkyl, cycloalkyl, aryl, alkylaryl, arylalkyl or aminoaryl.