Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1988-07-26
1990-08-21
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528335, C08G 6308, C08G 6926
Patent
active
049507354
ABSTRACT:
Biodegradable polyamides, useful as absorable sutures and as controlled release binder materials, are prepared by condensing 4,4'-spirobibutyrolactone with a primary diamine, optionally in the presence of a nylon salt, leading to homopolymers containing lactam structural units, or to random copolymers.
REFERENCES:
patent: 4064086 (1977-12-01), Cowsar et al.
Tanquary, et al., Thermoplastic Crosslinked Polyamides of 3,3-bis(hydroxymethyl)glutaric acid, J. Polym. Sci., Polym. Lett. Ed., 15(5): 471-474, '77.
Dunn et al. Sythesis & Prop. of a New Thermoplastic Hydrogel, Trans. of 8th Annual Meeting Society for Biomaterials, 4/24-27, 1982, Biom. Soc., '82.
Terry, et al., Comparison of the Mechanical Properties of P-HEMA and P-HPMA Hydrogels with a New Synthetic Polyamide Hydrogel, In: Craig, R. C., ed.: Transactions of the 9th Annual Meeting of the Society for Biomaterials; Apr. 27-May 1, 1983; Birmingham, Ala. Biomaterials Society; 50.
Cowsar Donald R.
Dunn Richard L.
English James P.
Vanderbilt David P.
Elliot, Jr. William H.
Pili-Curtis Carmen B.
Schofer Joseph L.
Sharpoint L.P.
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