AU490978B2 - Additive for improving the viscosity index of lubricating oils and lubricants so obtained - Google Patents

Additive for improving the viscosity index of lubricating oils and lubricants so obtained

Info

Publication number
AU490978B2
AU490978B2 AU66573/74A AU6657374A AU490978B2 AU 490978 B2 AU490978 B2 AU 490978B2 AU 66573/74 A AU66573/74 A AU 66573/74A AU 6657374 A AU6657374 A AU 6657374A AU 490978 B2 AU490978 B2 AU 490978B2
Authority
AU
Australia
Prior art keywords
lubricants
additive
improving
viscosity index
lubricating oils
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.)
Expired
Application number
AU66573/74A
Other versions
AU6657374A (en
Inventor
RENATO TESEI and TELEMACO FLORIS PIERLEONE GIROTTI
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.)
SnamProgetti SpA
Original Assignee
SnamProgetti SpA
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 IT21460/73A external-priority patent/IT981303B/en
Application filed by SnamProgetti SpA filed Critical SnamProgetti SpA
Application granted granted Critical
Publication of AU6657374A publication Critical patent/AU6657374A/en
Publication of AU490978B2 publication Critical patent/AU490978B2/en
Expired legal-status Critical Current

Links

AU66573/74A 1973-03-12 1974-03-12 Additive for improving the viscosity index of lubricating oils and lubricants so obtained Expired AU490978B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT21460/73A IT981303B (en) 1973-03-12 1973-03-12 ADDITIVE TO IMPROVE THE VISCOSITY INDEX OF LUBRIFI CANTI OILS AND LUBRICATING OILS THUS OBTAINED
ITIT21460A/ 1973-03-12

Publications (2)

Publication Number Publication Date
AU6657374A AU6657374A (en) 1975-09-18
AU490978B2 true AU490978B2 (en) 1975-09-18

Family

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