AMPHOTERIC HYDROGEL FOR MEDICAL DEVICES
PCT No. PCT/US91/02156 Sec. 371 Date Nov. 14, 1991 Sec. 102(e) Date Nov. 14, 1991 PCT Filed Mar. 29, 1991 PCT Pub. No. WO91/15250 PCT Pub. Date Oct. 17, 1991.A polymeric, amphoteric hydrogel for use in medical devices and medical devices using the hydrogel. The hydrogel has a first polymer repeating...
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| creator | HOWLAND, WARREN, W JEVNE, ALLAN, H HOLMBLAD, CAROLANN PHIPPS, JOSEPH, B |
| description | PCT No. PCT/US91/02156 Sec. 371 Date Nov. 14, 1991 Sec. 102(e) Date Nov. 14, 1991 PCT Filed Mar. 29, 1991 PCT Pub. No. WO91/15250 PCT Pub. Date Oct. 17, 1991.A polymeric, amphoteric hydrogel for use in medical devices and medical devices using the hydrogel. The hydrogel has a first polymer repeating unit having a acid group and a second polymer repeating unit having a base group such that the acid groups and base groups are present in the hydrogel in amounts effective to provide a hydrogel with a strong, amphoteric, nonmobile ionic structure. For example, the hydrogel can be a copolymer of 2-acrylamido-2-methylpropane sulfonic acid and methacrylamido-propyl-trimethylammonium hydroxide. The hydrogel can be an adhesive used to adhere medical devices to the skin of a patient. It can be particularly useful in drug delivery applications such as in iontophoresis devices. |
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No. WO91/15250 PCT Pub. Date Oct. 17, 1991.A polymeric, amphoteric hydrogel for use in medical devices and medical devices using the hydrogel. The hydrogel has a first polymer repeating unit having a acid group and a second polymer repeating unit having a base group such that the acid groups and base groups are present in the hydrogel in amounts effective to provide a hydrogel with a strong, amphoteric, nonmobile ionic structure. For example, the hydrogel can be a copolymer of 2-acrylamido-2-methylpropane sulfonic acid and methacrylamido-propyl-trimethylammonium hydroxide. The hydrogel can be an adhesive used to adhere medical devices to the skin of a patient. 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No. WO91/15250 PCT Pub. Date Oct. 17, 1991.A polymeric, amphoteric hydrogel for use in medical devices and medical devices using the hydrogel. The hydrogel has a first polymer repeating unit having a acid group and a second polymer repeating unit having a base group such that the acid groups and base groups are present in the hydrogel in amounts effective to provide a hydrogel with a strong, amphoteric, nonmobile ionic structure. For example, the hydrogel can be a copolymer of 2-acrylamido-2-methylpropane sulfonic acid and methacrylamido-propyl-trimethylammonium hydroxide. The hydrogel can be an adhesive used to adhere medical devices to the skin of a patient. It can be particularly useful in drug delivery applications such as in iontophoresis devices.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR DYES ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES RADIATION THERAPY THEIR PREPARATION OR CHEMICAL WORKING-UP ULTRASOUND THERAPY USE OF MATERIALS AS ADHESIVES |
| title | AMPHOTERIC HYDROGEL FOR MEDICAL DEVICES |
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