WO1994013279A1 - Composition pharmaceutique effervescente contenant de l'ibuprofene et son procede de preparation - Google Patents
Composition pharmaceutique effervescente contenant de l'ibuprofene et son procede de preparation Download PDFInfo
- Publication number
- WO1994013279A1 WO1994013279A1 PCT/FR1993/001216 FR9301216W WO9413279A1 WO 1994013279 A1 WO1994013279 A1 WO 1994013279A1 FR 9301216 W FR9301216 W FR 9301216W WO 9413279 A1 WO9413279 A1 WO 9413279A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- weight
- ibuprofen
- pharmaceutically acceptable
- effervescent
- Prior art date
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
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0007—Effervescent
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/04—Centrally acting analgesics, e.g. opioids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
Definitions
- Effervescent pharmaceutical composition containing ibuprofen and process for its preparation
- the subject of the present invention is a new effervescent pharmaceutical composition containing, as active ingredient, ibuprofen and its preparation process.
- ibuprofen 2- (4-isobutylphenyl) propionic acid, known as ibuprofen is a well-tolerated drug with antipyretic and anti-inflammatory analgesic activities (Merk Index, XI edition, no . 4812).
- Various solutions have therefore been proposed, in the prior art, for preparing medicaments based on ibuprofen, in the form of powders or effervescent tablets.
- composition intended for the preparation of an effervescent tablet or granule, comprising in part by weight:
- composition intended for the preparation of an effervescent powder or tablet comprising ibuprofen or one of its pharmaceutically acceptable salts, an effervescent couple capable of producing carbon dioxide in the presence of water, a surfactant and an insoluble hydrophilic polymer.
- ibuprofen is preferably coated with the insoluble hydrophilic polymer (advantageously constituted by microcrystalline cellulose) and it is indicated that in the absence of such a polymer ibuprofen is deposited on the walls of the container in which the effervescent composition is prepared.
- insoluble hydrophilic polymer advantageousously constituted by microcrystalline cellulose
- EP-A-351353 there is proposed another composition intended for the preparation of powders or effervescent tablets comprising:
- the object of the present invention is to provide a new composition intended for the preparation of effervescent powders or tablets of ibuprofen with improved stability.
- the present invention relates to a pharmaceutical composition intended for the preparation of powders or effervescent tablets containing an effective amount of ibuprofen or one of its pharmaceutically acceptable salts as active ingredient; a pharmaceutically acceptable effervescent system comprising at least one alkaline carbonate and at least one organic acid, characterized in that it comprises at least one pharmaceutically acceptable antioxidant agent, in an amount sufficient to stabilize ibuprofen.
- the present invention is based on the surprising discovery that the stability of ibuprofen, or its pharmaceutically acceptable salts, in contact with alkali carbonates can be considerably improved by a prior treatment of ibuprofen or its pharmaceutically acceptable salts with an antioxidant agent.
- the term “powders” is intended to denote any mixture of components, granulated or not, intended to be dissolved and / or suspended in water, or else to be ingested directly or by any other suitable means such as for example in admixture with a food product.
- the present invention preferably applies to ibuprofen as well as to its insoluble salts such as in particular the calcium salt, but its principle can also be used for the preparation of powders or tablets incorporating soluble salts ibuprofen.
- An alkaline carbonate capable of being used in the context of the present invention is for example sodium bicarbonate, potassium bicarbonate, carboxylysine, calcium carbonate, sodium carbonate, potassium carbonate, as well as mixtures of these compounds.
- sodium bicarbonate will be used.
- organic acids which can be used within the framework of the present invention are compounds capable of reacting with alkaline carbonates to cause a release of carbon dioxide, when they are brought into contact with sufficient water.
- Suitable acids are for example citric acid, fumaric acid, adipic acid, tartaric acid as well as mixtures of these compounds.
- the preferred acid is citric acid.
- quantities of alkali carbonate and organic acid will be used sufficient to obtain a pH of less than approximately 8 in the presence of water, and preferably a pH of between 4 and 5.
- the relative weight proportions of these compounds within the effervescent system vary according to the desired pH after dissolution, which is understandable to those skilled in the art, for example for a pH of about 3 to about 7 the ratio varies from about 20/80 to about 80/20.
- this composition also comprises an effective amount of at least one internal desiccant. It has indeed been discovered that the presence of an internal desiccant within the composition further strengthens the stability of ibuprofen and its pharmaceutically acceptable salts vis-à-vis alkali carbonates, as will be explained. Further. According to another particular characteristic, this composition also comprises a pharmaceutically acceptable diluent.
- This diluent also plays a favorable role in stabilizing ibuprofen and its pharmaceutically acceptable salts.
- the abovementioned antioxidant agent is chosen from alpha-tocopherol, gamma-tocopherol, delta-tocopherol, extracts of natural origin rich in tocopherol, L' ⁇ ascorbic acid and its sodium or calcium salts, palmityl DL ascorbic acid, propyl gallate, octyl gallate, dodecyl gallate, butyl hydroxy anisole gallate (BHA) and butyl gallate hydroxy toluene (BHT).
- the antioxidant agent will be alpha-tocopherol.
- the internal desiccant is magnesium citrate.
- the internal desiccant has the function of trapping traces of water that may appear in the tablet. It has in fact been observed that when it comes into contact with alkaline carbonates, ibuprofen degrades by generating water molecules which further promote the degradation process.
- the diluent is lactose.
- any other pharmaceutically acceptable diluent could be used, in particular sucrose.
- Magnesium citrate can also be used in this function.
- antioxidant an antioxidant, internal desiccant and diluent
- diluent can be easily determined by a person skilled in the art and of course depend on the pharmaceutical form, final desired.
- composition in accordance with the present invention intended for the preparation of tablets may contain, expressed in parts by weight per 100 parts of ibuprofen. or one of its pharmaceutically acceptable salts:
- a composition for tablet comprises, expressed in parts by weight per 100 parts of ibuprofen: - 270 parts of at least one alkali carbonate, preferably sodium bicarbonate;
- composition in accordance with the present invention intended for the preparation of powders, may contain, expressed in parts by weight per 100 parts of ibuprofen or one of its pharmaceutically acceptable salts:
- a composition for sachets comprises, expressed in parts by weight per 100 parts of ibuprofen: - 75 parts of at least one alkali carbonate, preferably sodium bicarbonate;
- the present invention relates to a pharmaceutical preparation, in the form of a powder or an effervescent tablet, characterized in that it contains a composition as defined above possibly associated with at least one additive usual chosen from sweeteners, flavorings, colors and lubricants.
- a sweetener can be a natural sugar like sucrose or sorbitol or a synthetic product like saccharin or aspartame.
- saccharin will be used.
- this pharmaceutical preparation will be in the form of an effervescent tablet containing an amount of effervescent composition as defined above corresponding to 200 mg or 400 mg or 600 mg of ibuprofen per tablet.
- this pharmaceutical preparation will be in the form of a powder containing an amount of effervescent composition as defined above corresponding to 200 mg or 400 mg or 600 mg of ibuprofen per dosage unit.
- the present invention relates to a process for the manufacture of a pharmaceutical preparation in the form of powders or effervescent tablets as defined above, characterized in that it comprises: a) the treatment of ibuprofen or one of its pharmaceutically acceptable salts with an effective amount of at least one pharmaceutically acceptable antioxidant agent, preferably by spraying with a solution or emulsion containing the antioxidant; b) the premixing of the constituents forming the effervescent system, preferably in the form of granules; c) premixing the other constituents of the pharmaceutical form, preferably in the form of powders; and d) mixing the products from the preceding steps a) b) and c).
- the pharmaceutical form obtained at the end of the aforementioned process can be directly used in the form of
- This pharmaceutical form can also be presented as a tablet after a traditional compression step.
- a solution or an emulsion containing the antioxidant agent will be used.
- alpha-tocopherol which is hydrophobic
- an appropriate solvent such as for example water or an organic solvent compatible with ibuprofen, that is to say, do not dissolving only weakly.
- Various emulsifying agents conventionally used in pharmacy can also be used to produce this emulsion.
- a mixture of sodium docusate and polyvinylpyrrolidone has been found to be particularly preferred.
- the treatment of ibuprofen with the antioxidant agent will preferably be carried out by spraying the emulsion containing the antioxidant using the various technologies conventionally used in the pharmaceutical industry such as for example a planetary mixer, a vacuum granulator mixer. , a fluidized bed or a coulter mixer, or a turbine.
- the components of the effervescent system will be subjected to a preliminary granulation, together or separately, in an appropriate solvent (water, alcohol, dichloromethane, isopropanol, or their mixture).
- an appropriate solvent water, alcohol, dichloromethane, isopropanol, or their mixture.
- the various ingredients of the pharmaceutical form other than the ibuprofen treated by the antioxidant and the effervescent system will preferably be mixed in the form of powders.
- at least one internal desiccant is added such as magnesium citrate as one of the constituents of the pharmaceutical preparation.
- Step a Treatment of ibuprofen with the antioxidant Alpha-tocopherol (42.10-3), sodium docusate (75.10 ⁇ 3) and polyvinylpyrrolidone (375.10 -3 ) are mixed in water to get an emulsion.
- the various components to be granulated are introduced into a granulating mixer, [Sodium bicarbonate (300) - Citric acid (500)].
- the granulation liquid is then sprayed onto the powder bed.
- the mixture obtained is then dried in a fluidized bed.
- the granules obtained are calibrated by means of a grid.
- the product obtained is in the form of a dry powder which can be used directly for the preparation of tablets. Furthermore, 3.4-gram portions of the product obtained were pressed in a pastillcuse, thus making it possible to obtain effervescent tablets.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pain & Pain Management (AREA)
- Rheumatology (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicinal Preparation (AREA)
- Medicines Containing Plant Substances (AREA)
Abstract
Description
Claims
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950700227A KR950702414A (ko) | 1992-12-09 | 1993-12-09 | 이부프로펜을 포함하는 비등성 약제 조성물(effervescent pharmaceutical composition) 및 이의 제조방법 |
HU9501671A HU220632B1 (hu) | 1992-12-09 | 1993-12-09 | Ibuprofent tartalmazó pezsgő gyógyászati kompozíció, és eljárás annak előállítására |
AU56536/94A AU679200B2 (en) | 1992-12-09 | 1993-12-09 | Effervescent pharmaceutical composition containing ibuprofenand method for preparing same |
RU95114402A RU2134577C1 (ru) | 1992-12-09 | 1993-12-09 | Фармацевтическая композиция, содержащая ибупрофен, фармацевтический препарат на ее основе и способ его получения |
TJ96000407A TJ253B (en) | 1992-12-09 | 1993-12-09 | Effervescent pharmaceutical composition containing ibuprofen pharmaceutical preparation and method for preparing same |
UA94129149A UA27058C2 (uk) | 1992-12-09 | 1993-12-09 | Фармацевтичhа композиція, що призhачеhа для одержаhhя порошків або шипучих таблеток, яка містить ефективhу кількість ібупрофеhу, фармацевтичhий препарат hа її осhові та спосіб його одержаhhя |
SK728-95A SK281775B6 (sk) | 1992-12-09 | 1993-12-09 | Farmaceutická kompozícia na prípravu efervescentných práškov alebo tabliet na báze ibuprofénu, farmaceutický prípravok s jej obsahom a spôsob jeho prípravy |
CA002150945A CA2150945C (fr) | 1992-12-09 | 1993-12-09 | Composition pharmaceutique effervescente contenant de l'ibuprofene et son procede de preparation |
DE69314186T DE69314186T2 (de) | 1992-12-09 | 1993-12-09 | Brausemischungen enthaltend ibuprofen und verfahren |
GEAP19932632A GEP19991686B (en) | 1992-12-09 | 1993-12-09 | Pharmaceutical Composition for Obtaining Effervescent Powder or Tablet, Pharmaceutical Preparation and Method for Preparing Same |
EP94902008A EP0673245B1 (fr) | 1992-12-09 | 1993-12-09 | Composition pharmaceutique effervescente contenant de l'ibuprofene et son procede de preparation |
JP51386894A JP3579421B2 (ja) | 1992-12-09 | 1993-12-09 | イブプロフェン含有沸騰性製剤およびその製造方法 |
FI945452A FI111517B (fi) | 1992-12-09 | 1994-11-21 | Menetelmä ibuprofeenia sisältävän poreilevan lääkevalmisteen valmistamiseksi |
EE9400211A EE03089B1 (et) | 1992-12-09 | 1994-11-23 | Ibuprofeeni sisaldav kihisev ravimpreparaat ja selle valmistamise meetod |
GR970403286T GR3025634T3 (en) | 1992-12-09 | 1997-12-10 | Effervescent pharmaceutical composition containing ibuprofen and method for preparing same. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9214851A FR2698788B1 (fr) | 1992-12-09 | 1992-12-09 | Composition pharmaceutique effervescente contenant de l'ibuprofène et son procédé de préparation. |
FR92/14851 | 1992-12-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994013279A1 true WO1994013279A1 (fr) | 1994-06-23 |
Family
ID=9436398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR1993/001216 WO1994013279A1 (fr) | 1992-12-09 | 1993-12-09 | Composition pharmaceutique effervescente contenant de l'ibuprofene et son procede de preparation |
Country Status (26)
Country | Link |
---|---|
US (2) | US5480652A (fr) |
EP (1) | EP0673245B1 (fr) |
JP (1) | JP3579421B2 (fr) |
KR (1) | KR950702414A (fr) |
AT (1) | ATE158504T1 (fr) |
AU (1) | AU679200B2 (fr) |
CA (1) | CA2150945C (fr) |
CZ (1) | CZ289304B6 (fr) |
DE (1) | DE69314186T2 (fr) |
DK (1) | DK0673245T3 (fr) |
EE (1) | EE03089B1 (fr) |
ES (1) | ES2110212T3 (fr) |
FI (1) | FI111517B (fr) |
FR (1) | FR2698788B1 (fr) |
GE (1) | GEP19991686B (fr) |
GR (1) | GR3025634T3 (fr) |
HU (1) | HU220632B1 (fr) |
LV (1) | LV11984B (fr) |
MD (1) | MD872G2 (fr) |
NZ (1) | NZ258596A (fr) |
RU (1) | RU2134577C1 (fr) |
SK (1) | SK281775B6 (fr) |
TJ (1) | TJ253B (fr) |
TW (1) | TW280774B (fr) |
UA (1) | UA27058C2 (fr) |
WO (1) | WO1994013279A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19502789A1 (de) * | 1995-01-28 | 1996-08-01 | Dirk Krischenowski | Arzneimittel |
US5639475A (en) * | 1995-02-03 | 1997-06-17 | Eurand America, Incorporated | Effervescent microcapsules |
DE19606151C2 (de) | 1996-02-20 | 1999-05-12 | Losan Pharma Gmbh | Ibuprofen-Brausezubereitung sowie Verfahren zur Herstellung derselben |
US6534016B1 (en) | 1997-04-30 | 2003-03-18 | Richmond Cohen | Additive preparation and method of use thereof |
US6225123B1 (en) | 1997-04-30 | 2001-05-01 | Becton Dickinson And Company | Additive preparation and method of use thereof |
GB9721397D0 (en) * | 1997-10-09 | 1997-12-10 | Verdugt Bv | Anticaking agents |
NZ333474A (en) * | 1998-01-02 | 1999-06-29 | Mcneil Ppc Inc | A chewable tablet containing ibuprofen, fumaric acid and a non hydrocolloid binder e.g. a wax or a fat |
DE19814257A1 (de) * | 1998-03-31 | 1999-10-07 | Asta Medica Ag | Brauseformulierungen |
DE19814256A1 (de) * | 1998-03-31 | 1999-10-07 | Asta Medica Ag | Feste, schnellzerfallende Cetirizin-Formulierungen |
IT1301966B1 (it) | 1998-07-30 | 2000-07-20 | Zambon Spa | Composizioni farmaceutiche ad attivita' analgesica |
DE19962251A1 (de) * | 1999-12-22 | 2001-09-06 | Hermes Fabrik Pharm Praeparate | Lutschtablette |
WO2001091751A1 (fr) * | 2000-05-30 | 2001-12-06 | Novo Nordisk A/S | Nouvelle composition pharmaceutique et son procede de preparation |
EP1303273A1 (fr) | 2000-05-26 | 2003-04-23 | Novo Nordisk A/S | Nouvelle composition pharmaceutique et son procede de preparation |
AR029538A1 (es) * | 2000-07-06 | 2003-07-02 | Wyeth Corp | Composiciones farmaceuticas de agentes estrogenicos |
US7488496B2 (en) * | 2002-03-06 | 2009-02-10 | Christer Rosen | Effervescent compositions comprising bisphosphonates and methods related thereto |
ES2448501T3 (es) | 2002-03-06 | 2014-03-14 | Effrx Pharmaceuticals Sa | Composiciones efervescentes que comprenden bisfosfonatos |
DE102006029233A1 (de) * | 2006-06-26 | 2007-12-27 | Liedtke, Rainer K., Dr. | Formulierungen zur Verbesserung der Verträglichkeit nichtsteroidaler Antiphlogistika |
EP1902708A1 (fr) | 2006-09-25 | 2008-03-26 | Losan Pharma GmbH | Compositions pharmaceutiques stabilisées et solides contenant au moins un médicament et procédé d'élaboration |
US8445545B2 (en) * | 2008-05-07 | 2013-05-21 | Nicholas DeSica | Pharmaceutical composition, method of preparation and methods of treating aches/pains |
US9267112B2 (en) | 2011-05-10 | 2016-02-23 | The Regents Of The University Of California | Adenovirus isolated from Titi Monkeys |
US10221218B2 (en) | 2011-05-10 | 2019-03-05 | The Regents Of The University Of California | Adenovirus isolated from titi monkeys |
BR112014018814A8 (pt) | 2012-02-01 | 2017-07-11 | Intercontinental Great Brands Llc | Pastilha efervescente de baixa caloria |
JP5877778B2 (ja) * | 2012-05-28 | 2016-03-08 | 株式会社ホットアルバム炭酸泉タブレット | 錠剤の製造方法及び錠剤 |
RU2519099C1 (ru) * | 2012-11-08 | 2014-06-10 | Федеральное государственное бюджетное учреждение науки Ордена Трудового Красного Знамени Институт нефтехимического синтеза им. А.В. Топчиева Российской академии наук (ИНХС РАН) | Фармацевтическая композиция |
FR3060391A1 (fr) * | 2016-12-20 | 2018-06-22 | Promindus Sarl | Composition pharmaceutique anti douleur |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0351353A1 (fr) * | 1988-07-12 | 1990-01-17 | ELAN CORPORATION, Plc | Composition pharmaceutique anti-inflammatoire à base d'ibuprofène, avec elimination, en solution, du goût amer, de l'irritation de la gorge et de la toxicité intestinale. |
EP0380367A1 (fr) * | 1989-01-27 | 1990-08-01 | Stafford-Miller Ltd. | Composition et méthode de traitement de maladie |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8528195D0 (en) * | 1985-11-15 | 1985-12-18 | Boots Co Plc | Therapeutic compositions |
US5178878A (en) * | 1989-10-02 | 1993-01-12 | Cima Labs, Inc. | Effervescent dosage form with microparticles |
-
1992
- 1992-12-09 FR FR9214851A patent/FR2698788B1/fr not_active Expired - Lifetime
-
1993
- 1993-02-08 US US08/014,530 patent/US5480652A/en not_active Expired - Lifetime
- 1993-12-09 AT AT94902008T patent/ATE158504T1/de not_active IP Right Cessation
- 1993-12-09 EP EP94902008A patent/EP0673245B1/fr not_active Revoked
- 1993-12-09 CA CA002150945A patent/CA2150945C/fr not_active Expired - Lifetime
- 1993-12-09 WO PCT/FR1993/001216 patent/WO1994013279A1/fr not_active Application Discontinuation
- 1993-12-09 KR KR1019950700227A patent/KR950702414A/ko active Search and Examination
- 1993-12-09 TJ TJ96000407A patent/TJ253B/xx unknown
- 1993-12-09 HU HU9501671A patent/HU220632B1/hu unknown
- 1993-12-09 DK DK94902008.5T patent/DK0673245T3/da active
- 1993-12-09 SK SK728-95A patent/SK281775B6/sk not_active IP Right Cessation
- 1993-12-09 AU AU56536/94A patent/AU679200B2/en not_active Expired
- 1993-12-09 CZ CZ19951419A patent/CZ289304B6/cs not_active IP Right Cessation
- 1993-12-09 RU RU95114402A patent/RU2134577C1/ru active
- 1993-12-09 NZ NZ258596A patent/NZ258596A/en not_active IP Right Cessation
- 1993-12-09 UA UA94129149A patent/UA27058C2/uk unknown
- 1993-12-09 ES ES94902008T patent/ES2110212T3/es not_active Expired - Lifetime
- 1993-12-09 GE GEAP19932632A patent/GEP19991686B/en unknown
- 1993-12-09 JP JP51386894A patent/JP3579421B2/ja not_active Expired - Lifetime
- 1993-12-09 DE DE69314186T patent/DE69314186T2/de not_active Revoked
- 1993-12-15 TW TW082110660A patent/TW280774B/zh not_active IP Right Cessation
-
1994
- 1994-11-21 FI FI945452A patent/FI111517B/fi not_active IP Right Cessation
- 1994-11-23 EE EE9400211A patent/EE03089B1/xx unknown
- 1994-12-22 MD MD95-0026A patent/MD872G2/ro active IP Right Grant
-
1995
- 1995-06-06 US US08/471,155 patent/US5567437A/en not_active Expired - Lifetime
-
1997
- 1997-10-28 LV LVP-97-214A patent/LV11984B/lv unknown
- 1997-12-10 GR GR970403286T patent/GR3025634T3/el unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0351353A1 (fr) * | 1988-07-12 | 1990-01-17 | ELAN CORPORATION, Plc | Composition pharmaceutique anti-inflammatoire à base d'ibuprofène, avec elimination, en solution, du goût amer, de l'irritation de la gorge et de la toxicité intestinale. |
EP0380367A1 (fr) * | 1989-01-27 | 1990-08-01 | Stafford-Miller Ltd. | Composition et méthode de traitement de maladie |
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