Process for preparing hydrogenated petroleum resin
US4540480A · kind A · utility
4Cited by
11References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1983 |
| Grant date | Sep 10, 1985 |
| Priority date | — |
| Expiry date | Oct 21, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing a hydrogenated petroleum resin in which a petroleum resin having an aromatic ring is hydrogenated by introducing hydrogen gas and the molten petroleum resin from the upper or lower part of a vertical reactor to parallel-currently pass them through a fixed bed of a supported catalyst containing platinum and/or rhodium which may be used in combination with at most 50% by weight of a metal selected from palladium, ruthenium and rhenium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.