HYALURONIC ACID GEL, PROCESS FOR PRODUCING THE SAME AND MEDICAL MATERIAL CONTAINING THE SAME

• Main Authors: KAWADA, MASATOSHI, MIYATA, YOSHIAKI, OSHIMA, KAZUHIRO, SAWADA, TOMIO, HASHIMOTO, MASAMICHI, ARAI, KAZUHIKO, OKAMOTO, AKIO
• Format: Patent
• Language: English; French; Japanese
• Published: 04.03.1999
• Edition: 6
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DERIVATIVES THEREOF; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; 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; POLYSACCHARIDES; THEIR PREPARATION OR CHEMICAL WORKING-UP

A gel of hyaluronic acid (1) alone, characterized by being difficultly soluble in neutral aqueous solutions, and (2) a medical material containing the hyaluronic acid gel (1), characterized by keeping its shape in a neutral aqueous solution at a temperature of 25 DEG C for one day or longer. L'invention porte sur un gel d'acide hyaluronique (1) qui se caractérise par sa difficulté à se dissoudre dans des solutions aqueuses neutres, et sur une substance thérapeutique (2) contenant le geld'acide hyaluronique (1), substance qui se caractérise en ce qu'elle conserve sa forme dans une solution aqueuse neutre à une température de 25 DEG C sur au moins une journée.