Two-cycle oil additive
US5330667A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 1992 |
| Grant date | Jul 19, 1994 |
| Priority date | — |
| Expiry date | Apr 15, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2070/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A two-cycle oil additive composition and concentrate having improved detergency, lubricity and antiwear properties which more effectively controls deposits related to ring sticking comprising A) at least one dispersant prepared by reacting a carboxylic acid acylating agent with a polyalkylene polyamine and optionally a high molecular weight acylating agent; B) a second dispersant which is a succinimide such as prepared by acylating a polyalkylene polyamine with polyisobutylene succinic anhydride; and C) at least one polyolefin; at least one of the dispersants being a borated dispersant and which further optionally comprise at least one of the following: D) a sulfurized alkylphenol; and E) a phosphorous-containing antiwear agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.