GB2405334B - Particulate materials - Google Patents

Particulate materials

Info

Publication number
GB2405334B
GB2405334B GB0416469A GB0416469A GB2405334B GB 2405334 B GB2405334 B GB 2405334B GB 0416469 A GB0416469 A GB 0416469A GB 0416469 A GB0416469 A GB 0416469A GB 2405334 B GB2405334 B GB 2405334B
Authority
GB
United Kingdom
Prior art keywords
particulate materials
particulate
materials
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.)
Expired - Lifetime
Application number
GB0416469A
Other versions
GB2405334A (en
GB0416469D0 (en
Inventor
Andreas Kordikowski
Peter York
Stephen Ernest Walker
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.)
Nektar Therapeutics UK Ltd
Original Assignee
Nektar Therapeutics UK 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
Priority claimed from GBGB0208742.7A external-priority patent/GB0208742D0/en
Application filed by Nektar Therapeutics UK Ltd filed Critical Nektar Therapeutics UK Ltd
Priority to GB0524716A priority Critical patent/GB2421910A/en
Publication of GB0416469D0 publication Critical patent/GB0416469D0/en
Publication of GB2405334A publication Critical patent/GB2405334A/en
Application granted granted Critical
Publication of GB2405334B publication Critical patent/GB2405334B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/007—Pulmonary tract; Aromatherapy
    • A61K9/0073—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy
    • A61K9/008—Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy comprising drug dissolved or suspended in liquid propellant for inhalation via a pressurized metered dose inhaler [MDI]
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/48—Ergoline derivatives, e.g. lysergic acid, ergotamine
    • 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
    • A61K9/1682—Processes
    • A61K9/1688—Processes resulting in pure drug agglomerate optionally containing up to 5% of excipient

Landscapes

  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Otolaryngology (AREA)
  • Pulmonology (AREA)
  • Medicinal Preparation (AREA)
GB0416469A 2002-04-17 2003-04-15 Particulate materials Expired - Lifetime GB2405334B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0524716A GB2421910A (en) 2002-04-17 2003-04-15 Method of preparing particulate dihydroergotamine and uses of particulate dihydroergotamine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0208742.7A GB0208742D0 (en) 2002-04-17 2002-04-17 Particulate materials
GB0308662A GB2388541B (en) 2002-04-17 2003-04-15 Aerosol formulations containing a particulate active substance

Publications (3)

Publication Number Publication Date
GB0416469D0 GB0416469D0 (en) 2004-08-25
GB2405334A GB2405334A (en) 2005-03-02
GB2405334B true GB2405334B (en) 2006-02-15

Family

ID=34117625

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0416469A Expired - Lifetime GB2405334B (en) 2002-04-17 2003-04-15 Particulate materials

Country Status (1)

Country Link
GB (1) GB2405334B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462983A (en) * 1976-11-19 1984-07-31 Sandoz Ltd. Certain ergot peptide alkaloids administered to the nasal mucosa
WO1995001221A1 (en) * 1993-07-01 1995-01-12 University Of Bradford Method and apparatus for the formation of particles
WO2003008082A1 (en) * 2001-07-20 2003-01-30 Nektar Therapeutics Uk Limited Method and apparatus for preparing particles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462983A (en) * 1976-11-19 1984-07-31 Sandoz Ltd. Certain ergot peptide alkaloids administered to the nasal mucosa
WO1995001221A1 (en) * 1993-07-01 1995-01-12 University Of Bradford Method and apparatus for the formation of particles
WO2003008082A1 (en) * 2001-07-20 2003-01-30 Nektar Therapeutics Uk Limited Method and apparatus for preparing particles

Also Published As

Publication number Publication date
GB2405334A (en) 2005-03-02
GB0416469D0 (en) 2004-08-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120614 AND 20120620

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130620 AND 20130626

PE20 Patent expired after termination of 20 years

Expiry date: 20230414