Pattern material
US6921786B2 · kind B2 · utility
0Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2003 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Sep 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An expendable and machinable pattern material capable of being cast in large blocks without shrinkage and machined to a casting shape useful in the lost pattern process of investment casting, the material consisting essentially of ethylene-vinyl resin, fatty acid ketone, and fatty acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.