GB1542414A - Arrangements for the controlled release of biologically active materials - Google Patents

Arrangements for the controlled release of biologically active materials

Info

Publication number
GB1542414A
GB1542414A GB3458176A GB3458176A GB1542414A GB 1542414 A GB1542414 A GB 1542414A GB 3458176 A GB3458176 A GB 3458176A GB 3458176 A GB3458176 A GB 3458176A GB 1542414 A GB1542414 A GB 1542414A
Authority
GB
United Kingdom
Prior art keywords
arrangements
biologically active
controlled release
active materials
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
Application number
GB3458176A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB3458176A priority Critical patent/GB1542414A/en
Priority to DE19772735754 priority patent/DE2735754A1/en
Priority to JP9881677A priority patent/JPS5350317A/en
Publication of GB1542414A publication Critical patent/GB1542414A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • 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
    • A61K9/167—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction with an outer layer or coating comprising drug; with chemically bound drugs or non-active substances on their surface
    • A61K9/1676—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction with an outer layer or coating comprising drug; with chemically bound drugs or non-active substances on their surface having a drug-free core with discrete complete coating layer containing drug

Landscapes

  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB3458176A 1976-08-19 1976-08-19 Arrangements for the controlled release of biologically active materials Expired GB1542414A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB3458176A GB1542414A (en) 1976-08-19 1976-08-19 Arrangements for the controlled release of biologically active materials
DE19772735754 DE2735754A1 (en) 1976-08-19 1977-08-09 COMPOSITION OF SUBSTANCES FOR THE CONTROLLED RELEASE OF BIOLOGICALLY ACTIVE SUBSTANCES
JP9881677A JPS5350317A (en) 1976-08-19 1977-08-19 Substance for controllably releasing active substance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3458176A GB1542414A (en) 1976-08-19 1976-08-19 Arrangements for the controlled release of biologically active materials

Publications (1)

Publication Number Publication Date
GB1542414A true GB1542414A (en) 1979-03-21

Family

ID=10367407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3458176A Expired GB1542414A (en) 1976-08-19 1976-08-19 Arrangements for the controlled release of biologically active materials

Country Status (3)

Country Link
JP (1) JPS5350317A (en)
DE (1) DE2735754A1 (en)
GB (1) GB1542414A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002240A1 (en) * 1985-10-11 1987-04-23 Aktiebolaget Hässle New drug preparation with controlled release of the active compound, a method for the manufacture thereof and the use of the new preparation
US4942040A (en) * 1987-10-08 1990-07-17 Aktiebolaget Hassle Pharmaceutical preparation and a process for its preparation
US4957745A (en) * 1985-10-11 1990-09-18 Aktiebolaget Hassle Pharmaceutical preparation
US5817327A (en) * 1994-07-27 1998-10-06 The Trustees Of The University Of Pennsylvania Incorporation of biologically active molecules into bioactive glasses

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8917063D0 (en) * 1989-07-26 1989-09-13 Pilkington Controlled Release Composite bolus manufacture and use
CN103550880A (en) * 2013-10-28 2014-02-05 王云荣 Backpack forest fire treatment device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987002240A1 (en) * 1985-10-11 1987-04-23 Aktiebolaget Hässle New drug preparation with controlled release of the active compound, a method for the manufacture thereof and the use of the new preparation
US4927640A (en) * 1985-10-11 1990-05-22 Aktiebolaget Hassle Controlled release beads having glass or silicon dioxide core
US4957745A (en) * 1985-10-11 1990-09-18 Aktiebolaget Hassle Pharmaceutical preparation
US4942040A (en) * 1987-10-08 1990-07-17 Aktiebolaget Hassle Pharmaceutical preparation and a process for its preparation
US5817327A (en) * 1994-07-27 1998-10-06 The Trustees Of The University Of Pennsylvania Incorporation of biologically active molecules into bioactive glasses

Also Published As

Publication number Publication date
DE2735754A1 (en) 1978-02-23
JPS5350317A (en) 1978-05-08

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee