Enhancing color stability to sterilizing radiation of polymer compositions
US4880855A · kind A · utility
12Cited by
35References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1987 |
| Grant date | Nov 14, 1989 |
| Priority date | — |
| Expiry date | Dec 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L69/005
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Compounds having defined sulfone functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.