Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1994-06-30
1996-05-07
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
424428, 424486, 514965, A61F 200
Patent
active
055143806
ABSTRACT:
This invention concerns the thermoplastic, biodegradable hydrogel copolymer which is easily degraded and excreted in human body by the hydrolysis of intramolecular ester and amide bond. The structure of present copolymer comprises i) hydrophilic and swellable soft domain consisting of polyethyleneoxide (PEO), and ii) hydrophobic, biodegradable, crystallizable and non-swellable hard domain consisting of polylactide (PLA), polyglycolide (PGA), polylactideglycolide (PLGA) and polycaprolactone (PCL).
REFERENCES:
patent: 5041292 (1991-08-01), Feijen
patent: 5330768 (1994-07-01), Park et al.
Kim Ho H.
Song Soo S.
Yi Yil W.
Benston, Jr. William E.
Page Thurman K.
Sam Yang Co., Ltd.
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