Binders for foundry core sands
US4318840A · kind A · utility
2Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1980 |
| Grant date | Mar 9, 1982 |
| Priority date | — |
| Expiry date | Dec 17, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Binders for foundry core sand and other binder applications are produced from the tars resulting from production of bisphenol A.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.