BIODEGRADABLE TERNARY BLOCK COPOLYMER FOR MEDICAL TREATMENT USE AND ITS PRODUCTION METHOD

PROBLEM TO BE SOLVED: To provide a polyethylene glycol/polylactide (or polyglycolide or polycaprolactone)/polyethylene glycol ternary block copolymer excellent in biocompatibility, and a method for producing the same in a high yield. SOLUTION: This biodegradable ternary block copolymer is one select...

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Bibliographische Detailangaben
Hauptverfasser:	PARK KI-DONG, RI SHUKO, KIN EIKA, KIN JUGEN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR HUMAN NECESSITIES HYGIENE MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a polyethylene glycol/polylactide (or polyglycolide or polycaprolactone)/polyethylene glycol ternary block copolymer excellent in biocompatibility, and a method for producing the same in a high yield. SOLUTION: This biodegradable ternary block copolymer is one selected from among copolymers represented by formulas (1) PEG-COO-PL-OCO-PEG, (2) PEG-COO-PG-OCO-PEG, (3) PEG-COO-(PL/PG)-OCO-PEG, and (4) PEG-COO- PCL-OCO-PEG (wherein PEG is polyethylene glycol; PL is polylactide; PG is polyglycolide; and PCL is polycaprolactone).