Facing for plastic foamed construction insulation board
US4640864A · kind A · utility
18Cited by
5References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1984 |
| Grant date | Feb 3, 1987 |
| Priority date | — |
| Expiry date | May 4, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/155
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Facings for plastic foamed construction insulation board are made from paper treated with a treatment comprising about 10% to 100% of the weight of the paper including polymer, water repellant, and fire retardant. A reinforcing scrim may be combined with the paper. The treatment is applied to paper, the scrim is combined with the paper, and foam-forming liquids are applied to the paper to form a facing for a plastic foamed construction insulation board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.