Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61K
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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51/00
Preparations containing radioactive substances for use in therapy or testing in vivo
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A61K51/12
characterised by a special physical form, e.g. emulsion, microcapsules, liposomes; , characterized by a special physical form, e.g. emulsions, dispersions, microcapsules
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A61K51/1241
particles, powders, lyophilizates, adsorbates, e.g. polymers or resins for adsorption or ion-exchange resins
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A61K51/1241

Radiotherapy gel and method of preparing the same
12521452 · 2026-01-13 · ·

A radioactive thermogel suspension, including a thermogel and a plurality of radioactive yttrium phosphate particles suspended in the thermogel. The thermogel is PLGA-g-PEG. The thermogel contains less than 65 ppm stannous octanoate. The plurality of radioactive yttrium phosphate particles are between 0.03 um and 10 um in diameter. The plurality of radioactive yttrium phosphate particles are generally spherical. The YPO.sub.4 particle concentration is in the range of 3 mg/ml to 100 mg/ml.