Water stain and sag resistant acoustic building panel
US9702142B1 · kind B1 · utility
9Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2016 |
| Grant date | Jul 11, 2017 |
| Priority date | — |
| Expiry date | Apr 27, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B2001/8461
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Described herein is an stain and sag resistant acoustic ceiling panel comprising a porous body formed from mineral and cellulosic fibers having an upper surface opposite a lower surface and at least one side surface extending between the upper surface and the lower surface; a first layer applied to the upper surface, the first layer comprising a hygroscopic component and a hydrophobic component; and a second layer applied to the lower surface, the second layer comprising a hydrophobic component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.