EPDM laminate
US4601935A · kind A · utility
63Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1985 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | May 6, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Cured rubbery carbon black reinforced EPDM roofing membranes are joined at their primed seams by a seaming tape comprising a carbon black reinforced compounded lightly cured blend of a butyl rubber and a polyisobutylene. The tape can exhibit a peel strength of at least about 2.5 pli at about 158.degree. F.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.