Friction paper containing activated carbon
US5989390A · kind A · utility
17Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1999 |
| Grant date | Nov 23, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A fibrous friction material in a sheet form having a top surface and a bottom surface with at least one surface containing a mixture of from about 10 to 65% cellulose fibers, about 5 to 50% carbon fibers, about 5 to 50% activated carbon, about 1 to 20% novoloid fibers, up to 65% diatomatious earth particles, and latex in an amount sufficient to increase the strength of the said sheet, with said percentages being based on the total weight of said sheet. The material is impregnated with a thermosetting resin prior to use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.