Lenses for exterior vehicle lamps
US3939225A · kind A · utility
1Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1973 |
| Grant date | Feb 17, 1976 |
| Priority date | — |
| Expiry date | Dec 19, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V3/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to lenses for exterior vehicle lamps wherein the lenses are molded from a high nitrile polymer comprising 55 to 85 percent by weight of a nitrile monomer unit and from 15 to 45 percent by weight of a monovinylidene aromatic monomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.