Stabilizers for the prevention of gum formation in gasoline
US5711767A · kind A · utility
35Cited by
20References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1996 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | Jul 11, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L1/2608
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The use of nitroxide compounds alone or in combination with aromatic amines, such as substituted phenylenediamines, or phenolic antioxidants provides an effective way to prevent oxidative degradation and gum formation in gasolines, especially unstable coker and pyrolysis gasolines.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.