Window and door flashing, roofing underlayment, protection course, root block and sound control underlayment material products
US8206817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2009 |
| Grant date | Jun 26, 2012 |
| Priority date | — |
| Expiry date | Aug 30, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/678
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A window or door flashing or roofing material, containing no asphalt, either mechanically fastened or self-adhering comprising a mixture of: one or more ethylene based elastomers having a melting point below 160° F., in an amount of 10-40% based on the total weight of the product; one or more semi-crystalline, non-elastomer alpha olefin-based polymers having a melting point above 160° F. in an amount of about 10-40% based on the total weight of the product; and a rubber fraction of ground, vulcanized rubber having a size up to about 18 mesh, US Sieve Series, in an amount of about 10% to about 75%, based on the total weight of the product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.