Gypsum board
US8974925B1 · kind B1 · utility
8Cited by
48References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2013 |
| Grant date | Mar 10, 2015 |
| Priority date | — |
| Expiry date | Oct 15, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249932
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Described herein is a composite board and a method of producing a composite board, the board having increased fire endurance. The board comprises a sheet having a thickness greater than about 0.014 inches, and a thermal conductivity of about 0.1 w/(m.k.) or less. The composite board can be part of a wall assembly comprising two boards defining an interior cavity, the sheet facing the interior cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.