Elatomeric laminates and composites
US6436529B1 · kind B1 · utility
44Cited by
28References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 1997 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Jul 18, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31833
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Microtextured elastomeric materials having at least one elastomeric core layer or region and at least one skin layer wherein the skin layer has a semi-crystalline or amorphous polymer and an elastomeric block copolymer or pressure sensitive adhesive, the combination of which is less elastic than the core layer and will undergo permanent deformation at the stretch percentage that the elastomeric laminate will undergo. The materials are suited for use in applications such as respirators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.