CA1165242A - Compressed and formed alkaline component suitable for use in buffered acetylsalicylic acid product - Google Patents
Compressed and formed alkaline component suitable for use in buffered acetylsalicylic acid productInfo
- Publication number
- CA1165242A CA1165242A CA000383212A CA383212A CA1165242A CA 1165242 A CA1165242 A CA 1165242A CA 000383212 A CA000383212 A CA 000383212A CA 383212 A CA383212 A CA 383212A CA 1165242 A CA1165242 A CA 1165242A
- Authority
- CA
- Canada
- Prior art keywords
- alkaline
- magnesium
- component
- compressed
- alkaline component
- 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
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 229960001138 acetylsalicylic acid Drugs 0.000 title claims abstract description 90
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 90
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 52
- 239000000203 mixture Substances 0.000 claims abstract description 51
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 34
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 30
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims abstract description 29
- 239000001095 magnesium carbonate Substances 0.000 claims abstract description 29
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims abstract description 29
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 29
- 235000019799 monosodium phosphate Nutrition 0.000 claims abstract description 27
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 26
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims abstract description 26
- 229910000403 monosodium phosphate Inorganic materials 0.000 claims abstract description 25
- 229940045641 monobasic sodium phosphate Drugs 0.000 claims abstract description 21
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 20
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 20
- 239000003826 tablet Substances 0.000 claims description 87
- 239000002775 capsule Substances 0.000 claims description 51
- 239000004615 ingredient Substances 0.000 claims description 30
- 239000011777 magnesium Substances 0.000 claims description 26
- 229910052749 magnesium Inorganic materials 0.000 claims description 24
- 239000002552 dosage form Substances 0.000 claims description 23
- 238000005469 granulation Methods 0.000 claims description 21
- 230000003179 granulation Effects 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 16
- 239000007942 layered tablet Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 6
- 239000008188 pellet Substances 0.000 claims description 4
- 239000011734 sodium Substances 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 claims 2
- 230000003472 neutralizing effect Effects 0.000 claims 2
- 235000010216 calcium carbonate Nutrition 0.000 description 20
- 229920002472 Starch Polymers 0.000 description 18
- 235000012245 magnesium oxide Nutrition 0.000 description 18
- 239000008107 starch Substances 0.000 description 17
- 235000019698 starch Nutrition 0.000 description 17
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 16
- 235000014380 magnesium carbonate Nutrition 0.000 description 15
- 239000007903 gelatin capsule Substances 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 9
- 235000012254 magnesium hydroxide Nutrition 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 235000019359 magnesium stearate Nutrition 0.000 description 8
- 239000000546 pharmaceutical excipient Substances 0.000 description 8
- 229920002261 Corn starch Polymers 0.000 description 7
- 239000008120 corn starch Substances 0.000 description 7
- 210000002784 stomach Anatomy 0.000 description 7
- 230000000202 analgesic effect Effects 0.000 description 5
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- 229920000053 polysorbate 80 Polymers 0.000 description 5
- 229940035676 analgesics Drugs 0.000 description 4
- 239000000730 antalgic agent Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000001488 sodium phosphate Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004480 active ingredient Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229920000881 Modified starch Polymers 0.000 description 2
- 239000004368 Modified starch Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229940069428 antacid Drugs 0.000 description 2
- 239000003159 antacid agent Substances 0.000 description 2
- 230000001458 anti-acid effect Effects 0.000 description 2
- OROGSEYTTFOCAN-DNJOTXNNSA-N codeine Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)=C[C@H](O)[C@@H]1OC1=C2C3=CC=C1OC OROGSEYTTFOCAN-DNJOTXNNSA-N 0.000 description 2
- 229940000425 combination drug Drugs 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 235000001055 magnesium Nutrition 0.000 description 2
- 235000019426 modified starch Nutrition 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000136 polysorbate Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- 238000005550 wet granulation Methods 0.000 description 2
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- WUBBRNOQWQTFEX-UHFFFAOYSA-N 4-aminosalicylic acid Chemical compound NC1=CC=C(C(O)=O)C(O)=C1 WUBBRNOQWQTFEX-UHFFFAOYSA-N 0.000 description 1
- KKADPXVIOXHVKN-UHFFFAOYSA-N 4-hydroxyphenylpyruvic acid Chemical compound OC(=O)C(=O)CC1=CC=C(O)C=C1 KKADPXVIOXHVKN-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- DBAKFASWICGISY-BTJKTKAUSA-N Chlorpheniramine maleate Chemical compound OC(=O)\C=C/C(O)=O.C=1C=CC=NC=1C(CCN(C)C)C1=CC=C(Cl)C=C1 DBAKFASWICGISY-BTJKTKAUSA-N 0.000 description 1
- KBAUFVUYFNWQFM-UHFFFAOYSA-N Doxylamine succinate Chemical compound OC(=O)CCC(O)=O.C=1C=CC=NC=1C(C)(OCCN(C)C)C1=CC=CC=C1 KBAUFVUYFNWQFM-UHFFFAOYSA-N 0.000 description 1
- 206010053155 Epigastric discomfort Diseases 0.000 description 1
- 206010017788 Gastric haemorrhage Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000012404 In vitro experiment Methods 0.000 description 1
- MKXZASYAUGDDCJ-SZMVWBNQSA-N LSM-2525 Chemical compound C1CCC[C@H]2[C@@]3([H])N(C)CC[C@]21C1=CC(OC)=CC=C1C3 MKXZASYAUGDDCJ-SZMVWBNQSA-N 0.000 description 1
- 241000238367 Mya arenaria Species 0.000 description 1
- ISFHAYSTHMVOJR-UHFFFAOYSA-N Phenindamine Chemical compound C1N(C)CCC(C2=CC=CC=C22)=C1C2C1=CC=CC=C1 ISFHAYSTHMVOJR-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920003110 Primojel Polymers 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001754 anti-pyretic effect Effects 0.000 description 1
- 229940125715 antihistaminic agent Drugs 0.000 description 1
- 239000000739 antihistaminic agent Substances 0.000 description 1
- 239000002221 antipyretic Substances 0.000 description 1
- 229940125716 antipyretic agent Drugs 0.000 description 1
- 239000003434 antitussive agent Substances 0.000 description 1
- 229940124584 antitussives Drugs 0.000 description 1
- 239000008135 aqueous vehicle Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229940046978 chlorpheniramine maleate Drugs 0.000 description 1
- 229960004126 codeine Drugs 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000850 decongestant Substances 0.000 description 1
- 229940124581 decongestants Drugs 0.000 description 1
- 229960001985 dextromethorphan Drugs 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000007884 disintegrant Substances 0.000 description 1
- 229960005008 doxylamine succinate Drugs 0.000 description 1
- 238000007908 dry granulation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000003736 gastrointestinal content Anatomy 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- OROGSEYTTFOCAN-UHFFFAOYSA-N hydrocodone Natural products C1C(N(CCC234)C)C2C=CC(O)C3OC2=C4C1=CC=C2OC OROGSEYTTFOCAN-UHFFFAOYSA-N 0.000 description 1
- 229940059904 light mineral oil Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229960005489 paracetamol Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229960003534 phenindamine Drugs 0.000 description 1
- DLNKOYKMWOXYQA-APPZFPTMSA-N phenylpropanolamine Chemical compound C[C@@H](N)[C@H](O)C1=CC=CC=C1 DLNKOYKMWOXYQA-APPZFPTMSA-N 0.000 description 1
- 229960000395 phenylpropanolamine Drugs 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- -1 polydimethylsiloxane Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000011069 sorbitan monooleate Nutrition 0.000 description 1
- 239000001593 sorbitan monooleate Substances 0.000 description 1
- 229940035049 sorbitan monooleate Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229940100445 wheat starch Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/06—Aluminium, calcium or magnesium; Compounds thereof, e.g. clay
- A61K33/10—Carbonates; Bicarbonates
-
- 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
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/02—Inorganic compounds
-
- 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
-
- 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
- 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]
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Inorganic Chemistry (AREA)
- Pain & Pain Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Organic Chemistry (AREA)
- Rheumatology (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Neurosurgery (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27801181A | 1981-07-01 | 1981-07-01 | |
| US278,011 | 1981-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1165242A true CA1165242A (en) | 1984-04-10 |
Family
ID=23063318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000383212A Expired CA1165242A (en) | 1981-07-01 | 1981-08-05 | Compressed and formed alkaline component suitable for use in buffered acetylsalicylic acid product |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS588020A (enrdf_load_stackoverflow) |
| KR (1) | KR880001933B1 (enrdf_load_stackoverflow) |
| AU (1) | AU551510B2 (enrdf_load_stackoverflow) |
| BE (1) | BE893729A (enrdf_load_stackoverflow) |
| CA (1) | CA1165242A (enrdf_load_stackoverflow) |
| GR (1) | GR75990B (enrdf_load_stackoverflow) |
| NZ (1) | NZ200695A (enrdf_load_stackoverflow) |
| PH (1) | PH18787A (enrdf_load_stackoverflow) |
| PT (1) | PT75168B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7030162B2 (en) | 1996-11-12 | 2006-04-18 | Pozen Inc. | Treatment of migraine headache |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4102629A1 (de) * | 1991-01-30 | 1992-08-06 | Bayer Ag | Pharmazeutischer kaugummi mit acetylsalicylsaeure |
| FR2708853A1 (fr) * | 1993-06-30 | 1995-02-17 | Salsarulo Gilles | Composition à base d'acide acétylsalicylique à biodisponibilité améliorée et procédé pour la produire. |
| US5498426A (en) * | 1994-10-03 | 1996-03-12 | The Procter & Gamble Company | Liquid antacid compositions |
| UA95093C2 (uk) | 2005-12-07 | 2011-07-11 | Нікомед Фарма Ас | Спосіб одержання кальцієвмісної сполуки |
| JP5663238B2 (ja) * | 2009-08-31 | 2015-02-04 | ライオン株式会社 | 内服固形製剤及びその製造方法 |
-
1981
- 1981-08-05 CA CA000383212A patent/CA1165242A/en not_active Expired
-
1982
- 1982-05-20 NZ NZ200695A patent/NZ200695A/en unknown
- 1982-05-24 AU AU84109/82A patent/AU551510B2/en not_active Ceased
- 1982-05-26 GR GR68265A patent/GR75990B/el unknown
- 1982-06-28 PH PH27503A patent/PH18787A/en unknown
- 1982-06-30 PT PT75168A patent/PT75168B/pt not_active IP Right Cessation
- 1982-06-30 JP JP57111859A patent/JPS588020A/ja active Granted
- 1982-07-01 BE BE0/208511A patent/BE893729A/fr not_active IP Right Cessation
- 1982-07-01 KR KR8202953A patent/KR880001933B1/ko not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7030162B2 (en) | 1996-11-12 | 2006-04-18 | Pozen Inc. | Treatment of migraine headache |
Also Published As
| Publication number | Publication date |
|---|---|
| PT75168B (en) | 1985-06-28 |
| BE893729A (fr) | 1983-01-03 |
| GR75990B (enrdf_load_stackoverflow) | 1984-08-03 |
| JPS588020A (ja) | 1983-01-18 |
| PT75168A (en) | 1982-07-01 |
| AU551510B2 (en) | 1986-05-01 |
| PH18787A (en) | 1985-09-25 |
| AU8410982A (en) | 1983-01-06 |
| JPH0244286B2 (enrdf_load_stackoverflow) | 1990-10-03 |
| KR880001933B1 (ko) | 1988-10-04 |
| KR840000239A (ko) | 1984-02-18 |
| NZ200695A (en) | 1985-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |