Thermisch umkehrbare und nichtumkehrbare Gele

Balanced pH, thermally-reversible and irreversible gels are useful vehicles for drug delivery and in the formation of a protective corneal contact lens. Thermally-irreversible gels are ideal materials for use as an ablatable mask for the cornea to control the depth and smoothness of the ablated corn...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VIEGAS, TRACEY X, REEVE, LORRAINE E, HENRY, RAYMOND L
Format:	Patent
Sprache:	ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CONTACT LENSES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS DISINFECTION, STERILISATION, OR DEODORISATION OF AIR FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION 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 OPTICS ORGANIC MACROMOLECULAR COMPOUNDS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PROSTHESES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	Balanced pH, thermally-reversible and irreversible gels are useful vehicles for drug delivery and in the formation of a protective corneal contact lens. Thermally-irreversible gels are ideal materials for use as an ablatable mask for the cornea to control the depth and smoothness of the ablated corneal surface during excimer laser keratectomy.