Oleaginous concentrates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 12, 2003
Grant Date -
N/A
app pub date -
Apr 2, 1999
filing date -
Apr 9, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Concentrates for lubricating oil compositions are prepared by blending at elevated temperature: (A) at least one high molecular weight ashless dispersant; and (B) at least one oil-soluble metal detergent; in the presence of (C) at least one metal salt of a dihydrocarbylphosphorodithoic acid wherein the metal of the metal salt is an alkali metal, an alkaline earth metal, or zinc, aluminium, lead, tin, molybdenum, manganese, nickel or copper.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully