GB1357737A - Sustained release pharmaceutical compositions - Google Patents
Sustained release pharmaceutical compositionsInfo
- 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
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)
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 (xx) | 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 (xx) |
CA (1) | CA974883A (xx) |
DE (1) | DE2149699A1 (xx) |
DK (1) | DK129434B (xx) |
ES (1) | ES395533A1 (xx) |
FR (1) | FR2110314B1 (xx) |
GB (1) | GB1357737A (xx) |
SE (1) | SE382560B (xx) |
Cited By (1)
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)
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. |
AU706351B2 (en) * | 1994-03-18 | 1999-06-17 | Alfred Schmidt | The use of dimeticone as a transport and carrier system and/or drug delivery system |
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 |
US5855915A (en) | 1995-06-30 | 1999-01-05 | Baylor University | Tablets or biologically acceptable implants for long-term antiinflammatory drug release |
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)
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 |
IL26885A (en) * | 1965-12-06 | 1970-10-30 | Smith Kline French Lab | Pharmaceutical silicone compositions |
US3518344A (en) * | 1967-10-02 | 1970-06-30 | Miles Lab | Tableting lubricant |
-
1970
- 1970-10-09 GB GB4816770A patent/GB1357737A/en not_active Expired
-
1971
- 1971-09-28 US US00184634A patent/US3853988A/en not_active Expired - Lifetime
- 1971-09-28 CA CA123,851A patent/CA974883A/en not_active Expired
- 1971-09-29 ES ES395533A patent/ES395533A1/es not_active Expired
- 1971-10-04 FR FR7135618A patent/FR2110314B1/fr not_active Expired
- 1971-10-05 DE DE19712149699 patent/DE2149699A1/de active Pending
- 1971-10-07 DK DK487571AA patent/DK129434B/da unknown
- 1971-10-08 SE SE7112796A patent/SE382560B/xx unknown
Cited By (1)
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 |
---|---|
DK129434C (xx) | 1975-03-10 |
FR2110314B1 (xx) | 1975-06-06 |
DE2149699A1 (de) | 1972-04-13 |
CA974883A (en) | 1975-09-23 |
US3853988A (en) | 1974-12-10 |
SE382560B (sv) | 1976-02-09 |
DK129434B (da) | 1974-10-14 |
ES395533A1 (es) | 1974-10-16 |
FR2110314A1 (xx) | 1972-06-02 |
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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 |