Polyketone roofing membranes
US4820578A · kind A · utility
1Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1988 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Apr 28, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2213
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A weatherproof coating for roofs or decks is formed when an adhering material is used in conjunction with a nonwoven mat formed from a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.