GB1109425A - Polymeric coating of aspirin - Google Patents

Polymeric coating of aspirin

Info

Publication number
GB1109425A
GB1109425A GB2493664A GB2493664A GB1109425A GB 1109425 A GB1109425 A GB 1109425A GB 2493664 A GB2493664 A GB 2493664A GB 2493664 A GB2493664 A GB 2493664A GB 1109425 A GB1109425 A GB 1109425A
Authority
GB
United Kingdom
Prior art keywords
aspirin
polymeric coating
coating
crystallites
tablet
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
GB2493664A
Inventor
David Williamson Tanner
Robert Frederick Georg Gardner
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.)
MINI OF TECHNOLOGY
Minister of Technology
Original Assignee
MINI OF TECHNOLOGY
Minister of Technology
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 MINI OF TECHNOLOGY, Minister of Technology filed Critical MINI OF TECHNOLOGY
Priority to GB2493664A priority Critical patent/GB1109425A/en
Publication of GB1109425A publication Critical patent/GB1109425A/en
Expired 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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2072—Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2086—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat
    • A61K9/209—Layered tablets, e.g. bilayer tablets; Tablets of the type inert core-active coat containing drug in at least two layers or in the core and in at least one outer layer
    • 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
    • A61K31/60—Salicylic acid; Derivatives thereof
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Abstract

A coated aspirin product is obtained by causing surface polymerisation of aspirin in either tablet or crystallite form, e.g. by heating, or by coating aspirin tablets or crystallites by applying thereto a solution of the aspirin polymer and removing the solvent.
GB2493664A 1964-06-16 1964-06-16 Polymeric coating of aspirin Expired GB1109425A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2493664A GB1109425A (en) 1964-06-16 1964-06-16 Polymeric coating of aspirin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2493664A GB1109425A (en) 1964-06-16 1964-06-16 Polymeric coating of aspirin

Publications (1)

Publication Number Publication Date
GB1109425A true GB1109425A (en) 1968-04-10

Family

ID=10219624

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2493664A Expired GB1109425A (en) 1964-06-16 1964-06-16 Polymeric coating of aspirin

Country Status (1)

Country Link
GB (1) GB1109425A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855915A (en) * 1995-06-30 1999-01-05 Baylor University Tablets or biologically acceptable implants for long-term antiinflammatory drug release
EP1238662A2 (en) * 2001-03-07 2002-09-11 Sumitomo Pharmaceuticals Company, Limited Method for manufacturing drug granules, the drug granules and pharmaceutical preparation containing the drug granules
CN109054000A (en) * 2018-07-24 2018-12-21 中山大学 A kind of nanometer medicine-carried system and its preparation method and application based on polysalicylates acid

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5855915A (en) * 1995-06-30 1999-01-05 Baylor University Tablets or biologically acceptable implants for long-term antiinflammatory drug release
US6280772B1 (en) 1995-06-30 2001-08-28 Baylor University Polyester/carboxylic acid composite materials
EP1238662A2 (en) * 2001-03-07 2002-09-11 Sumitomo Pharmaceuticals Company, Limited Method for manufacturing drug granules, the drug granules and pharmaceutical preparation containing the drug granules
EP1238662A3 (en) * 2001-03-07 2003-01-15 Sumitomo Pharmaceuticals Company, Limited Method for manufacturing drug granules, the drug granules and pharmaceutical preparation containing the drug granules
US7192608B2 (en) 2001-03-07 2007-03-20 Sumitomo Pharmaceuticals Company Limited Method of manufacturing drug granules, the drug granules and pharmaceutical preparation containing the drug granules
CN109054000A (en) * 2018-07-24 2018-12-21 中山大学 A kind of nanometer medicine-carried system and its preparation method and application based on polysalicylates acid
CN109054000B (en) * 2018-07-24 2021-08-06 中山大学 Nano drug-loading system based on polysalicylic acid and preparation method and application thereof

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