Tetraphenolic compounds and polycarbonates containing the same
US4277600A · kind A · utility
17Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1979 |
| Grant date | Jul 7, 1981 |
| Priority date | — |
| Expiry date | Sep 20, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel tetraphenolic compounds are disclosed. These compounds have utility as branching agents in the production of novel, randomly branched polycarbonates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.