Surgical dressings
US3975567A · kind A · utility
45Cited by
12References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 1972 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | Oct 5, 1992 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249981
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A polyurethane foam article, preferably a surgical dressing, at least one surface of which is rendered lyophilic by applying pressure and heat to said surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.