Mold release composition containing tungsten disulfide
US3968302A · kind A · utility
11Cited by
9References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 1975 |
| Grant date | Jul 6, 1976 |
| Priority date | — |
| Expiry date | May 30, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/265
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A composition and method of preparation are herein described for molten release and parting compositions adaptable for use in glass-forming operations. The novel composition comprise a mixture containing tungsten disulfide, a silicate and a setting agent. A preferred composition comprises a mixture of tungsten disulfide and graphite with sodium silicate and zinc oxide as a setting agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.