Strengthened razor blade
US9598761B2 · kind B2 · utility
2Cited by
17References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2009 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Apr 1, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C8/38
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A razor blade including a substrate with a cutting edge, the substrate includes a mixed nitride-substrate interregion disposed at or beneath a surface of the substrate, the mixed nitride-substrate interregion being substantially free of a compound layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.