Ultraviolet resistant glutarimide
US5585423A · kind A · utility
1Cited by
27References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 1991 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Jan 11, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polymers of (N-lower alkyl)dimethylglutarimide or (N-hydrogen)dimethylglutarimide are resistant to surface crazing, molecular weight degradation and yellowing on exposure to ultraviolet light, by inclusion of a hindered amine stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.