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1. WO2015074028 - METASTABLE SILVER NANOPARTICLE COMPOSITES WITH COLOR INDICATING PROPERTIES

Publication Number WO/2015/074028
Publication Date 21.05.2015
International Application No. PCT/US2014/066097
International Filing Date 18.11.2014
IPC
A61K 33/38 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
33Medicinal preparations containing inorganic active ingredients
24Heavy metals; Compounds thereof
38Silver; Compounds thereof
A61K 9/14 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9Medicinal preparations characterised by special physical form
14Particulate form, e.g. powders
CPC
A61K 33/38
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
33Medicinal preparations containing inorganic active ingredients
24Heavy metals; Compounds thereof
38Silver; Compounds thereof
A61L 15/44
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
15Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
42Use of materials characterised by their function or physical properties
44Medicaments
A61L 15/56
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICAL ARTICLES
15Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
42Use of materials characterised by their function or physical properties
56Wetness-indicators or colourants
Applicants
  • SIENNA LABS, INC. [US]/[US]
  • NANOCOMPOSIX, INC. [US]/[US]
Inventors
  • HARRIS, Todd
  • OLDENBERG, Steven
  • BALDWIN, Richard, K.
Priority Data
61/905,75418.11.2013US
61/995,49410.04.2014US
61/998,30524.06.2014US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METASTABLE SILVER NANOPARTICLE COMPOSITES WITH COLOR INDICATING PROPERTIES
(FR) COMPOSITES NANOPARTICULAIRES MÉTASTABLES À BASE D'ARGENT AYANT DES PROPRIÉTÉS DE SIGNALISATION COLORIMÉTRIQUE
Abstract
(EN)
Embodiments of the present invention relate to a metastable silver nanoparticle composite, a process for its manufacture, and its use as a source for silver ions and/or colorimetric signaling. In various embodiments, the composite comprises, consists essentially of, or consists of metastable silver nanoparticles that change shape when exposed to moisture, a stability modulant that controls the rate of the shape change, and a substrate to support the silver nanoparticles and the modulant.
(FR)
Selon des modes de réalisation, l'invention concerne un composite nanoparticulaire métastable à base d'argent, un procédé pour le fabriquer, et son utilisation à titre de source d'ions argent et/ou signalisation colorimétrique. Dans divers modes de réalisation, le composite comprend, est essentiellement constitué par, ou est constitué par des nanoparticules métastables à base d'argent qui changent de forme quand elles sont exposées à l'humidité, un agent modulateur de stabilité qui régule la vitesse de changement de forme, et un substrat qui supporte les nanoparticules d'argent et l'agent modulateur.
Also published as
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