Low chlorine content compositions for use in lubricants and fuels
US6165235A · kind A · utility
68Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1997 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Aug 26, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/46
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyolefin substituted carboxylic acylating agents having reduced chlorine content of less than 2,000 ppm and a degree of succination of 1.1-2 have been made from polyisobutylene, chlorine and maleic anhydride. The acylating agents are further reacted with amines and/or alcohols to form dispersants having reduced chlorine content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.