High severity visbreaking with recycle
US4846958A · kind A · utility
17Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1988 |
| Grant date | Jul 11, 1989 |
| Priority date | — |
| Expiry date | May 26, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G67/049
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The severity of a visbreaking operation is increased by treating product to remove a heavier phase in an amount of less than 15 weight percent and recycling treated product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.