SG10201509138XA - Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof - Google Patents

Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof

Info

Publication number
SG10201509138XA
SG10201509138XA SG10201509138XA SG10201509138XA SG10201509138XA SG 10201509138X A SG10201509138X A SG 10201509138XA SG 10201509138X A SG10201509138X A SG 10201509138XA SG 10201509138X A SG10201509138X A SG 10201509138XA SG 10201509138X A SG10201509138X A SG 10201509138XA
Authority
SG
Singapore
Prior art keywords
particles
microparticles
calcium phosphate
nanoparticles formed
coating
Prior art date
Application number
SG10201509138XA
Inventor
Say Chye Joachim Loo
Kelsen Bastari
Subramaniam Venkatraman
Original Assignee
Univ Nanyang Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Nanyang Tech filed Critical Univ Nanyang Tech
Publication of SG10201509138XA publication Critical patent/SG10201509138XA/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/02Inorganic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/5005Wall or coating material
    • A61K9/501Inorganic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5026Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/5115Inorganic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules 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
    • A61K9/51Nanocapsules; Nanoparticles
    • A61K9/5107Excipients; Inactive ingredients
    • A61K9/513Organic macromolecular compounds; Dendrimers
    • A61K9/5138Organic macromolecular compounds; Dendrimers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/14Macromolecular materials
    • A61L27/18Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L27/00Materials for grafts or prostheses or for coating grafts or prostheses
    • A61L27/28Materials for coating prostheses
    • A61L27/30Inorganic materials
    • A61L27/32Phosphorus-containing materials, e.g. apatite
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/128Polymer particles coated by inorganic and non-macromolecular organic compounds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2430/00Materials or treatment for tissue regeneration
    • A61L2430/02Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/16Biodegradable polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04Polyesters derived from hydroxy carboxylic acids, e.g. lactones

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nanotechnology (AREA)
  • Biomedical Technology (AREA)
  • Transplantation (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dermatology (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Glanulating (AREA)
SG10201509138XA 2010-11-24 2011-11-24 Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof SG10201509138XA (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41697310P 2010-11-24 2010-11-24

Publications (1)

Publication Number Publication Date
SG10201509138XA true SG10201509138XA (en) 2015-12-30

Family

ID=46146132

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201509138XA SG10201509138XA (en) 2010-11-24 2011-11-24 Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof
SG2013036736A SG190798A1 (en) 2010-11-24 2011-11-24 Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG2013036736A SG190798A1 (en) 2010-11-24 2011-11-24 Method for coating particles with calcium phosphate and particles, microparticles and nanoparticles formed thereof

Country Status (4)

Country Link
US (1) US20130295186A1 (en)
EP (1) EP2643396B1 (en)
SG (2) SG10201509138XA (en)
WO (1) WO2012071014A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012065153A2 (en) 2010-11-12 2012-05-18 Daniel Getts Modified immune-modulating particles
JP5909796B2 (en) * 2012-03-02 2016-04-27 株式会社サンギ Method for improving water solubility of poorly soluble substances
KR20220166879A (en) 2012-06-21 2022-12-19 노쓰웨스턴유니버시티 Peptide conjugated particles
AU2014243758B2 (en) 2013-03-13 2019-02-07 Oncour Pharma, Inc. Immune-modifying particles for the treatment of inflammation
MX2016001931A (en) 2013-08-13 2016-09-07 Univ Northwestern Peptide conjugated particles.
US10682442B2 (en) 2014-04-04 2020-06-16 University Of Kentucky Research Foundation Small molecule drug release from in situ forming degradable scaffolds incorporating hydrogels and bioceramic microparticles
EP3189832B1 (en) * 2014-09-02 2020-09-30 National Institute of Advanced Industrial Science and Technology Core-shell-type particle and method for producing same
CN108939155B (en) * 2017-05-17 2021-09-28 上海交通大学 Magnesium-based tissue engineering material antibacterial coating and preparation method thereof
DE102018003770A1 (en) * 2018-05-09 2019-11-14 Forschungszentrum Borstel Nanocontainers for the transport of nonpolar, lipophilic substances such as antibiotics

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3896437B2 (en) * 1997-12-08 2007-03-22 独立行政法人産業技術総合研究所 Method for producing calcium phosphate coating
GB9813906D0 (en) * 1998-06-26 1998-08-26 Isis Innovations Ltd Coatings
GB0711007D0 (en) * 2007-06-07 2007-07-18 Isis Innovation Polymeric microparticles
US11607391B2 (en) * 2008-09-25 2023-03-21 Trs Holdings Llc Mineral-coated microspheres

Also Published As

Publication number Publication date
US20130295186A1 (en) 2013-11-07
EP2643396A1 (en) 2013-10-02
EP2643396B1 (en) 2019-03-13
EP2643396A4 (en) 2015-05-20
SG190798A1 (en) 2013-07-31
WO2012071014A1 (en) 2012-05-31

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