Additive for rubber elastomers
US6831119B2 · kind B2 · utility
6Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2003 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Sep 30, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L67/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An additive/process aid for polymeric materials such as rubber elastomers comprises a mixture of gray slate flour, corn starch, a liquid polyester resin or an epoxy resin, calcium carbonate and silica gel or a fatty acid. The additive/process aid facilitates the processing and enhances the physical properties of the rubber elastomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.