Laminated glass windows for vehicles
US3952135A · kind A · utility
12Cited by
8References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 1973 |
| Grant date | Apr 20, 1976 |
| Priority date | — |
| Expiry date | Mar 5, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31649
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Windows for vehicles particularly windscreens comprise sheets of glass adhesively bonded together by means of a hot melt adhesive which is an ethylene copolymer containing from 7 to 18% by weight of methacrylic acid and sufficient methyl methacrylate such that together the methyl methacrylate and methacrylic acid constitute from 20 to 35% by weight of the copolymer and the copolymer has a melt flow index of at least 0.1 and not more than 2. Also disclosed are ethylene copolymers as defined above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.