CA1295316C - Procede de fabrication d'une huile de graissage multigrade amelioree
- Google Patents
Procede de fabrication d'une huile de graissage multigrade amelioree
Info
Publication number
CA1295316C
CA1295316CCA000555078ACA555078ACA1295316CCA 1295316 CCA1295316 CCA 1295316CCA 000555078 ACA000555078 ACA 000555078ACA 555078 ACA555078 ACA 555078ACA 1295316 CCA1295316 CCA 1295316C
Authority
CA
Canada
Prior art keywords
grease
fatty amine
pyrrolidone
grade
nlgi
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Oil Ltd
ExxonMobil Technology and Engineering Co
Original Assignee
Imperial Oil Ltd
Exxon Research and Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/037,440external-prioritypatent/US4822503A/en
Application filed by Imperial Oil Ltd, Exxon Research and Engineering CofiledCriticalImperial Oil Ltd
Application grantedgrantedCritical
Publication of CA1295316CpublicationCriticalpatent/CA1295316C/fr
Produits d'addition de mercaptobenzothiazole dérivés d'hydrocarbyles couplés par du soufre, en tant qu'additifs multifonctionnels anti-usure, et compositions les contenant