GB1357737A - Sustained release pharmaceutical compositions - Google Patents

Sustained release pharmaceutical compositions

Info

Publication number
GB1357737A
GB1357737A GB4816770A GB4816770A GB1357737A GB 1357737 A GB1357737 A GB 1357737A GB 4816770 A GB4816770 A GB 4816770A GB 4816770 A GB4816770 A GB 4816770A GB 1357737 A GB1357737 A GB 1357737A
Authority
GB
United Kingdom
Prior art keywords
asa
polysiloxane
cellulose
toluene
ester
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
GB4816770A
Other languages
English (en)
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.)
ARPIC SA
Original Assignee
ARPIC SA
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 ARPIC SA filed Critical ARPIC SA
Priority to GB4816770A priority Critical patent/GB1357737A/en
Priority to CA123,851A priority patent/CA974883A/en
Priority to US00184634A priority patent/US3853988A/en
Priority to ES395533A priority patent/ES395533A1/es
Priority to FR7135618A priority patent/FR2110314B1/fr
Priority to DE19712149699 priority patent/DE2149699A1/de
Priority to DK487571AA priority patent/DK129434B/da
Priority to SE7112796A priority patent/SE382560B/xx
Publication of GB1357737A publication Critical patent/GB1357737A/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
    • A61K9/14—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
    • A61K9/1652—Polysaccharides, e.g. alginate, cellulose derivatives; Cyclodextrin
    • 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
    • A61K9/1605—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
    • 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
    • A61K9/2077—Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
    • 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
    • A61K9/4808—Preparations in capsules, e.g. of gelatin, of chocolate characterised by the form of the capsule or the structure of the filling; Capsules containing small tablets; Capsules with outer layer for immediate drug release

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)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
GB4816770A 1970-10-09 1970-10-09 Sustained release pharmaceutical compositions Expired GB1357737A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB4816770A GB1357737A (en) 1970-10-09 1970-10-09 Sustained release pharmaceutical compositions
CA123,851A CA974883A (en) 1970-10-09 1971-09-28 Acetylsalicylic acid sustained release preparations
US00184634A US3853988A (en) 1970-10-09 1971-09-28 Sustained released pharmaceutical compositions
ES395533A ES395533A1 (es) 1970-10-09 1971-09-29 Un procedimiento para preparar composiciones farmaceuticas de liberacion prolongada a base de acido acetilsalicilico.
FR7135618A FR2110314B1 (de) 1970-10-09 1971-10-04
DE19712149699 DE2149699A1 (de) 1970-10-09 1971-10-05 Pharmazeutische Zusammensetzungen mit verzoegerter Wirkstoff-Freisetzung
DK487571AA DK129434B (da) 1970-10-09 1971-10-07 Fremgangsmåde til fremstilling af et farmaceutisk præparat af acetylsalicylsyre som virksomt stof samt polysiloxan og en celluloseæter eller ester og med gradvis frigivelse af det virksomme stof.
SE7112796A SE382560B (sv) 1970-10-09 1971-10-08 Forfarande for framstellning av acetylsalicylsyra inklusive farmaceutiskt godtagbara salter och komplex derav innehallande farmaceutiska kompositioner med fordrojd frigoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4816770A GB1357737A (en) 1970-10-09 1970-10-09 Sustained release pharmaceutical compositions

Publications (1)

Publication Number Publication Date
GB1357737A true GB1357737A (en) 1974-06-26

Family

ID=10447626

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4816770A Expired GB1357737A (en) 1970-10-09 1970-10-09 Sustained release pharmaceutical compositions

Country Status (8)

Country Link
US (1) US3853988A (de)
CA (1) CA974883A (de)
DE (1) DE2149699A1 (de)
DK (1) DK129434B (de)
ES (1) ES395533A1 (de)
FR (1) FR2110314B1 (de)
GB (1) GB1357737A (de)
SE (1) SE382560B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167558A (en) 1976-02-13 1979-09-11 Hoffmann-La Roche Inc. Novel sustained release tablet formulations

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51123814A (en) * 1975-04-22 1976-10-28 Shin Etsu Chem Co Ltd A process for preparing gradually releasable solid medicines
DE2902414A1 (de) * 1979-01-23 1980-08-07 Hoechst Ag Depotkoerper auf basis silicon- kautschuk sowie verfahren zu seiner herstellung
FR2514261B1 (fr) * 1981-10-08 1986-08-22 Aec Chim Organ Biolog Nouvelle composition pour l'enrobage des aliments et des medicaments et granules ainsi enrobes
DE3508097A1 (de) * 1984-07-21 1986-02-06 Hoechst Ag, 6230 Frankfurt Kombinationspraeparat aus xanthinderivaten und o-acetylsalicylsaeure bzw. deren pharmakologisch vertraeglichen salzen und dessen verwendung
FR2653338B1 (fr) * 1989-10-23 1994-06-10 Dow Corning Sa Formulation pour des pansements a liberation prolongee de medicament et son utilisation.
NZ282804A (en) * 1994-03-18 2000-12-22 Hans Jurgen Upmeyer Use of dimethylpolysiloxane (dimeticone) for treating helicobacter pylori infections
DE4409357C2 (de) * 1994-03-18 1996-10-17 Upmeyer Hans Juergen Verwendung von Dimeticon zur Eradikation von Heliobacter pylori
US5965161A (en) 1994-11-04 1999-10-12 Euro-Celtique, S.A. Extruded multi-particulates
AU6403196A (en) * 1995-06-30 1997-02-05 Baylor University Polyester/carboxylic acid composite materials
US20110039807A1 (en) * 2009-08-13 2011-02-17 Kim Hyoung-Chun Anti-parkinsonian compound acetylsalicylic acid maltol ester
BR112014031471B1 (pt) 2012-07-17 2020-12-01 Dow Global Technologies Llc composição líquida, uso da composição líquida, dispersão sólida, processo para produzir a dispersão sólida e processo para revestir uma forma de dosagem

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2805977A (en) * 1955-01-04 1957-09-10 Smith Kline French Lab Sustained release pharmaceutical preparation
GB971486A (en) * 1960-04-01 1964-09-30 Rech S Pharma Et Scient Therapeutic compositions comprising aspirin and polysiloxanes
US3133863A (en) * 1961-03-10 1964-05-19 Strong Cobb Arner Inc Sustained release therapeutic tablet compositions comprising organic solvent-gelled gums
AU407324B2 (en) * 1962-05-01 1970-10-28 Smith, Kline & French Laboratories Powdered silicone products and processes
US3501571A (en) * 1965-12-06 1970-03-17 Smithkline Corp Novel silicone compositions and method of preparing same
US3518344A (en) * 1967-10-02 1970-06-30 Miles Lab Tableting lubricant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167558A (en) 1976-02-13 1979-09-11 Hoffmann-La Roche Inc. Novel sustained release tablet formulations

Also Published As

Publication number Publication date
DE2149699A1 (de) 1972-04-13
FR2110314B1 (de) 1975-06-06
DK129434C (de) 1975-03-10
US3853988A (en) 1974-12-10
CA974883A (en) 1975-09-23
SE382560B (sv) 1976-02-09
DK129434B (da) 1974-10-14
FR2110314A1 (de) 1972-06-02
ES395533A1 (es) 1974-10-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees