Hot melt crosslinked butyl sealant
US4127545A · kind A · utility
10Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1977 |
| Grant date | Nov 28, 1978 |
| Priority date | — |
| Expiry date | Jul 27, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2301/304
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Hot melt sealant compositions having improved adhesive bonding properties comprise a slightly crosslinked butyl rubber and critically-controlled amounts of a crystalline polymeric resin and a tackifying resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.