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1. WO2020193995 - A DELIVERY SYSTEM COMPRISING SILICON-CONTAINING MATERIAL

Publication Number WO/2020/193995
Publication Date 01.10.2020
International Application No. PCT/GB2020/050849
International Filing Date 30.03.2020
IPC
A61K 9/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
A61K 9/51 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
50Microcapsules
51Nanocapsules
A61P 17/02 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
17Drugs for dermatological disorders
02for treating wounds, ulcers, burns, scars, keloids, or the like
A61P 17/10 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
17Drugs for dermatological disorders
10Anti-acne agents
A61Q 19/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19Preparations for care of the skin
CPC
A61K 9/0014
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
0012Galenical forms characterised by the site of application
0014Skin, i.e. galenical aspects of topical compositions
A61K 9/5115
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
48Preparations in capsules, e.g. of gelatin, of chocolate
50Microcapsules ; having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
51Nanocapsules; Nanoparticles;
5107Excipients; Inactive ingredients
5115Inorganic compounds
A61P 17/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
17Drugs for dermatological disorders
02for treating wounds, ulcers, burns, scars, keloids, or the like
A61P 17/10
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
17Drugs for dermatological disorders
10Anti-acne agents
A61Q 19/007
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
QSPECIFIC USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
19Preparations for care of the skin
007Preparations for dry skin
Applicants
  • SISAF LIMITED [GB]/[GB]
Inventors
  • SAFFIE-SIEBERT, Roghieh Suzanne
  • TORABI-POUR, Nasrollah
  • AHMED, Mukhtar
Agents
  • ABEL & IMRAY
Priority Data
1904336.328.03.2019GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A DELIVERY SYSTEM COMPRISING SILICON-CONTAINING MATERIAL
(FR) SYSTÈME DE DISTRIBUTION COMPRENANT UN MATÉRIAU CONTENANT DU SILICIUM
Abstract
(EN)
A method for promoting the controlled binding and release of a bioactive or pharmaceutical agent from a composition comprising silicon nanoparticles, wherein the silicon nanoparticles comprise at least 50 % by weight silicon, the method comprising treating the surface of the silicon nanoparticles with at least one lipid, and treating the surface of the silicon nanoparticles with at least one amino acid, wherein the ratio of lipid to silicon isfrom1:1 to 15:1. Also related compositions and methods.
(FR)
L'invention concerne un procédé pour favoriser la liaison et la libération contrôlées d'un agent bioactif ou pharmaceutique à partir d'une composition comprenant des nanoparticules de silicium, les nanoparticules de silicium comprenant au moins 50 % en poids de silicium, le procédé comprenant le traitement de la surface des nanoparticules de silicium avec au moins un lipide, et le traitement de la surface des nanoparticules de silicium avec au moins un acide aminé, le rapport du lipide au silicium étant de 1 : 1 à 15 : 1. L'invention concerne également des compositions et des procédés associés.
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