Constrained-layer damping material
US9243402B2 · kind B2 · utility
3Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | Dec 15, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2555/82
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A constrained-layer damping material including a bitumen material, a binder material, and a tackifier, wherein the bitumen is a soft grade with a penetration of at least 150 dmm and a ring and ball softening point of greater than about 35° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.