Process for producing petroleum resin
US4008360A · kind A · utility
5Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1975 |
| Grant date | Feb 15, 1977 |
| Priority date | — |
| Expiry date | Jan 3, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for producing a petroleum resin which comprises polymerizing in the presence of a Friedel-Crafts catalyst a C.sub.5 -fraction from cracked naphtha or oil gas, which has been subjected to an adjustment of a weight ratio of acyclic diolefins to monoolefins and a weight ratio of cyclic diolefins to monoolefins to from 0.40 to 0.70 and from 0.07 to 0.35, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.