GB2594652B - Microparticle liquid stream - Google Patents

Microparticle liquid stream Download PDF

Info

Publication number
GB2594652B
GB2594652B GB2109911.4A GB202109911A GB2594652B GB 2594652 B GB2594652 B GB 2594652B GB 202109911 A GB202109911 A GB 202109911A GB 2594652 B GB2594652 B GB 2594652B
Authority
GB
United Kingdom
Prior art keywords
liquid stream
microparticle liquid
microparticle
stream
liquid
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB2109911.4A
Other versions
GB2594652A (en
GB202109911D0 (en
Inventor
Seaman Paul
Jones Huw
Mcaleer Liam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midatech Pharma Wales Ltd
Original Assignee
Midatech Pharma Wales Ltd
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 Midatech Pharma Wales Ltd filed Critical Midatech Pharma Wales Ltd
Priority to GB2109911.4A priority Critical patent/GB2594652B/en
Priority claimed from GB1522423.1A external-priority patent/GB2551944B/en
Publication of GB202109911D0 publication Critical patent/GB202109911D0/en
Publication of GB2594652A publication Critical patent/GB2594652A/en
Application granted granted Critical
Publication of GB2594652B publication Critical patent/GB2594652B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules 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
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poly(lactide-co-glycolide)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules 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
    • A61K9/5089—Processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
GB2109911.4A 2015-12-18 2015-12-18 Microparticle liquid stream Active GB2594652B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2109911.4A GB2594652B (en) 2015-12-18 2015-12-18 Microparticle liquid stream

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2109911.4A GB2594652B (en) 2015-12-18 2015-12-18 Microparticle liquid stream
GB1522423.1A GB2551944B (en) 2015-12-18 2015-12-18 Microparticle production process and apparatus

Publications (3)

Publication Number Publication Date
GB202109911D0 GB202109911D0 (en) 2021-08-25
GB2594652A GB2594652A (en) 2021-11-03
GB2594652B true GB2594652B (en) 2022-05-04

Family

ID=77354033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2109911.4A Active GB2594652B (en) 2015-12-18 2015-12-18 Microparticle liquid stream

Country Status (1)

Country Link
GB (1) GB2594652B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995013176A1 (en) * 1993-11-10 1995-05-18 Nukem Gmbh Process and device for producing plastic particles
DE19750679A1 (en) * 1997-11-15 1999-05-27 Inst Lebensmittelwissenschaft Freeze dried microcapsules
GB2398241A (en) * 2003-01-08 2004-08-18 Nektar Therapeutics Uk Ltd Particle formation
WO2009067462A1 (en) * 2007-11-19 2009-05-28 Capsulated Systems Inc. Prolonged release of local anesthetics using microparticles and surgery applications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995013176A1 (en) * 1993-11-10 1995-05-18 Nukem Gmbh Process and device for producing plastic particles
DE19750679A1 (en) * 1997-11-15 1999-05-27 Inst Lebensmittelwissenschaft Freeze dried microcapsules
GB2398241A (en) * 2003-01-08 2004-08-18 Nektar Therapeutics Uk Ltd Particle formation
WO2009067462A1 (en) * 2007-11-19 2009-05-28 Capsulated Systems Inc. Prolonged release of local anesthetics using microparticles and surgery applications

Also Published As

Publication number Publication date
GB2594652A (en) 2021-11-03
GB202109911D0 (en) 2021-08-25

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