Razor and process for manufacturing a surface of low frictional resistance on a razor
US5056221A · kind A · utility
30Cited by
9References
44Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Dec 14, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B21/443
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A razor blade unit comprising a support for at least one razor blade and a surface for slidably engaging the skin of a user, and a xerogel on the surface. A process for making a sliding surface on a razor blade unit comprising applying a solution of polyurethane, a water-soluble plastic and a solvent to a surface of the razor blade unit which engages the skin of a user during shaving, and evaporating the solvent to form the sliding surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.