Crack-resistant polycarbonate urethane polymer prostheses
US5133742A · kind A · utility
277Cited by
13References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Nov 14, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/924
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An especially crack-resistant yet elastomeric and pliable polyurethane is provided as a polymer which is especially suitable for medical prostheses, implants, roofing insulators and the like. The polymer is a polycarbonate urethane polymer which is substantially completely devoid of ether linkages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.