Method of producing gypsum decorative molding
US5076978A · kind A · utility
1Cited by
13References
3Claims
0Family size
Inventor
Key dates
| Filing date | Mar 6, 1989 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Mar 6, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB44C5/0453
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Decorative interior molding is molded from a slurry of gypsum, water, perlite, and a foaming agent. The slurry is surrounded by paper, cured, and dried.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.