Number | Name | Date | Kind |
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2917410 | Vitalis | Dec 1959 | |
3636956 | Schnieder | Jan 1972 | |
3784585 | Schmitt et al. | Jan 1974 | |
4048256 | Casey et al. | Sep 1977 | |
4243775 | Rosensaft et al. | Jan 1981 |
Entry |
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Reed et al., "Trans. Am. Soc. Artif. Intern. Organs", 1977, p. 109, Biodegradable Elastomeric Biomaterials-Polyethylene Oxide/Polyethylene Terephthalate Copolymers. |