CROSSLINKED HYDROPHILIC COPOLYMER FOR MEDICAL AND PARAMEDICAL USE

• Main Author: DE ZAEPFFEL, BRIGITTE
• Format: Patent
• Language: English; French; German
• Published: 21.02.1990
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMISTRY; COMPOSITIONS BASED THEREON; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; FOODS OR FOODSTUFFS; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J; HUMAN NECESSITIES; HYGIENE; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

Le produit à usage médical et paramédical, vétérinaire, chirurgical, diététique, à usage de soins ou à titre de ration de survie est constitué essentiellement d'un copolymère hydrophile alcalin réticulé, de motifs élémentaires (I), où R1, R2, R3, R'1, R'2, R'3, qui peuvent être identiques ou différents sont des atomes d'hydrogène ou des groupes alcoyles C1-C3, et Me représente un métal alcalin et Z représente OH ou le groupe CONH2. De préférence il s'agit d'un copolymère hydrophile du type acrylamide/acrylate ou alcool vinylique/acrylate alcalin réticulé, c'est-à-dire où R1 = R2 = R3 = R'1 = R'2 = R'3 = H, Me = Na et Z = OH ou CONH2. A product for medical and paramedical use, i. e. for veterinary, surgical, and dietetic use, for curative use or for use as survival rations, consists essentially of a crosslinked alkaline hydrophilic copolymer of elementary motifs (I), where R1, R2, R3, R'1, R'2, R'3, which may be identical or different, are hydrogen atoms or C1-C3 alkyl groups, Me denotes an alkali metal and Z denotes OH or the CONH2 group. The product is preferably a hydrophilic copolymer of the acrylamide/acrylate or vinyl alcohol/crosslinked alkaline acrylate type, i. e., where R1 = R2 = R3 = R'1 = R'2 = R'3 = H, Me = Na and Z = OH or CONH2.