AT400915B - Verfahren zur herstellung leicht löslicher und/oder zerteilbarer tabletten - Google Patents
Verfahren zur herstellung leicht löslicher und/oder zerteilbarer tabletten Download PDFInfo
- Publication number
- AT400915B AT400915B AT0268687A AT268687A AT400915B AT 400915 B AT400915 B AT 400915B AT 0268687 A AT0268687 A AT 0268687A AT 268687 A AT268687 A AT 268687A AT 400915 B AT400915 B AT 400915B
- Authority
- AT
- Austria
- Prior art keywords
- tablets
- tablet
- volatile liquid
- removal
- trichlorofluoromethane
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims description 13
- 229940029284 trichlorofluoromethane Drugs 0.000 claims description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 claims description 6
- GUBGYTABKSRVRQ-QKKXKWKRSA-N Lactose Natural products OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@H]1O GUBGYTABKSRVRQ-QKKXKWKRSA-N 0.000 claims description 6
- 239000008101 lactose Substances 0.000 claims description 6
- 241000218628 Ginkgo Species 0.000 claims description 4
- 235000011201 Ginkgo Nutrition 0.000 claims description 4
- 235000008100 Ginkgo biloba Nutrition 0.000 claims description 4
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- MEXUFEQDCXZEON-UHFFFAOYSA-N bromochlorodifluoromethane Chemical compound FC(F)(Cl)Br MEXUFEQDCXZEON-UHFFFAOYSA-N 0.000 claims description 2
- 150000008282 halocarbons Chemical class 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims 2
- 239000000347 magnesium hydroxide Substances 0.000 claims 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000008119 colloidal silica Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000003826 tablet Substances 0.000 description 43
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 10
- 229930195725 Mannitol Natural products 0.000 description 10
- 239000000594 mannitol Substances 0.000 description 10
- 235000010355 mannitol Nutrition 0.000 description 10
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 8
- 239000000901 saccharin and its Na,K and Ca salt Substances 0.000 description 5
- WINXNKPZLFISPD-UHFFFAOYSA-N sodium;1,1-dioxo-1,2-benzothiazol-3-one Chemical compound [Na+].C1=CC=C2C(=O)NS(=O)(=O)C2=C1 WINXNKPZLFISPD-UHFFFAOYSA-N 0.000 description 5
- DDMOUSALMHHKOS-UHFFFAOYSA-N 1,2-dichloro-1,1,2,2-tetrafluoroethane Chemical compound FC(F)(Cl)C(F)(F)Cl DDMOUSALMHHKOS-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 229940087091 dichlorotetrafluoroethane Drugs 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 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 description 3
- 238000005187 foaming Methods 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LREQLEBVOXIEOM-UHFFFAOYSA-N 6-amino-2-methyl-2-heptanol Chemical compound CC(N)CCCC(C)(C)O LREQLEBVOXIEOM-UHFFFAOYSA-N 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 2
- UDIPTWFVPPPURJ-UHFFFAOYSA-M Cyclamate Chemical compound [Na+].[O-]S(=O)(=O)NC1CCCCC1 UDIPTWFVPPPURJ-UHFFFAOYSA-M 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
- 239000009429 Ginkgo biloba extract Substances 0.000 description 2
- ILRKKHJEINIICQ-OOFFSTKBSA-N Monoammonium glycyrrhizinate Chemical compound N.O([C@@H]1[C@@H](O)[C@H](O)[C@H](O[C@@H]1O[C@H]1CC[C@]2(C)[C@H]3C(=O)C=C4[C@@H]5C[C@](C)(CC[C@@]5(CC[C@@]4(C)[C@]3(C)CC[C@H]2C1(C)C)C)C(O)=O)C(O)=O)[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O ILRKKHJEINIICQ-OOFFSTKBSA-N 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229930003268 Vitamin C Natural products 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000625 cyclamic acid and its Na and Ca salt Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004108 freeze drying Methods 0.000 description 2
- 229940068052 ginkgo biloba extract Drugs 0.000 description 2
- 235000020686 ginkgo biloba extract Nutrition 0.000 description 2
- 229960005402 heptaminol Drugs 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- XMGQYMWWDOXHJM-UHFFFAOYSA-N limonene Chemical compound CC(=C)C1CCC(C)=CC1 XMGQYMWWDOXHJM-UHFFFAOYSA-N 0.000 description 2
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 2
- 239000001095 magnesium carbonate Substances 0.000 description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 2
- 239000007968 orange flavor Substances 0.000 description 2
- -1 polyoxyethylene Polymers 0.000 description 2
- IKGXIBQEEMLURG-NVPNHPEKSA-N rutin Chemical compound O[C@@H]1[C@H](O)[C@@H](O)[C@H](C)O[C@H]1OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](OC=2C(C3=C(O)C=C(O)C=C3OC=2C=2C=C(O)C(O)=CC=2)=O)O1 IKGXIBQEEMLURG-NVPNHPEKSA-N 0.000 description 2
- 229910021647 smectite Inorganic materials 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229960001462 sodium cyclamate Drugs 0.000 description 2
- 239000003765 sweetening agent Substances 0.000 description 2
- 229960003232 troxerutin Drugs 0.000 description 2
- 235000019154 vitamin C Nutrition 0.000 description 2
- 239000011718 vitamin C Substances 0.000 description 2
- WQNHWIYLCRZRLR-UHFFFAOYSA-N 2-(3-hydroxy-2,5-dioxooxolan-3-yl)acetic acid Chemical compound OC(=O)CC1(O)CC(=O)OC1=O WQNHWIYLCRZRLR-UHFFFAOYSA-N 0.000 description 1
- YKXUOESQDCXGIW-UHFFFAOYSA-N 2-hydroxypropane-1,2,3-tricarboxylic acid;2-(trimethylazaniumyl)acetate Chemical compound C[N+](C)(C)CC(O)=O.OC(=O)CC(O)(C(O)=O)CC([O-])=O YKXUOESQDCXGIW-UHFFFAOYSA-N 0.000 description 1
- 108010011485 Aspartame Proteins 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 244000131522 Citrus pyriformis Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229960001138 acetylsalicylic acid Drugs 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 239000000605 aspartame Substances 0.000 description 1
- 235000010357 aspartame Nutrition 0.000 description 1
- IAOZJIPTCAWIRG-QWRGUYRKSA-N aspartame Chemical compound OC(=O)C[C@H](N)C(=O)N[C@H](C(=O)OC)CC1=CC=CC=C1 IAOZJIPTCAWIRG-QWRGUYRKSA-N 0.000 description 1
- 229960003438 aspartame Drugs 0.000 description 1
- 229960002609 betaine citrate Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007938 effervescent tablet Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- GVALZJMUIHGIMD-UHFFFAOYSA-H magnesium phosphate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GVALZJMUIHGIMD-UHFFFAOYSA-H 0.000 description 1
- 239000004137 magnesium phosphate Substances 0.000 description 1
- 229960002261 magnesium phosphate Drugs 0.000 description 1
- 229910000157 magnesium phosphate Inorganic materials 0.000 description 1
- 235000010994 magnesium phosphates Nutrition 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000001457 metallic cations Chemical class 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007944 soluble tablet Substances 0.000 description 1
- 235000021092 sugar substitutes Nutrition 0.000 description 1
- 239000003039 volatile agent Substances 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
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
-
- 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
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P10/00—Shaping or working of foodstuffs characterised by the products
- A23P10/20—Agglomerating; Granulating; Tabletting
- A23P10/28—Tabletting; Making food bars by compression of a dry powdered mixture
-
- 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
- A61K9/2095—Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868624628A GB8624628D0 (en) | 1986-10-14 | 1986-10-14 | Soluble/splitable tablets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA268687A ATA268687A (de) | 1995-09-15 |
| AT400915B true AT400915B (de) | 1996-04-25 |
Family
ID=10605734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0268687A AT400915B (de) | 1986-10-14 | 1987-10-12 | Verfahren zur herstellung leicht löslicher und/oder zerteilbarer tabletten |
Country Status (34)
| Country | Link |
|---|---|
| US (1) | US5082666A (en]) |
| JP (1) | JPH0641407B2 (en]) |
| KR (1) | KR950013748B1 (en]) |
| AT (1) | AT400915B (en]) |
| AU (1) | AU597434B2 (en]) |
| BE (1) | BE1000406A5 (en]) |
| BR (1) | BR8705458A (en]) |
| CA (1) | CA1296868C (en]) |
| CH (1) | CH673773A5 (en]) |
| DE (1) | DE3734796A1 (en]) |
| DK (1) | DK534187A (en]) |
| EG (1) | EG18415A (en]) |
| ES (1) | ES2007417A6 (en]) |
| FI (1) | FI89239C (en]) |
| FR (1) | FR2604901B1 (en]) |
| GB (2) | GB8624628D0 (en]) |
| GR (1) | GR871545B (en]) |
| HK (1) | HK100590A (en]) |
| IE (1) | IE61105B1 (en]) |
| IN (1) | IN172984B (en]) |
| IT (1) | IT1225474B (en]) |
| LU (1) | LU87015A1 (en]) |
| MA (1) | MA21075A1 (en]) |
| MX (1) | MX170997B (en]) |
| NL (1) | NL8702388A (en]) |
| NO (1) | NO173973C (en]) |
| NZ (1) | NZ221986A (en]) |
| OA (1) | OA08689A (en]) |
| PH (1) | PH25790A (en]) |
| PT (1) | PT85907B (en]) |
| SE (1) | SE502640C2 (en]) |
| SG (1) | SG83590G (en]) |
| TN (1) | TNSN87113A1 (en]) |
| ZA (1) | ZA877334B (en]) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4946684A (en) * | 1989-06-20 | 1990-08-07 | American Home Products Corporation | Fast dissolving dosage forms |
| US5629016A (en) * | 1991-01-30 | 1997-05-13 | Glaxo Wellcome Inc. | Water-dispersible tablets |
| BE1004461A5 (fr) * | 1991-01-30 | 1992-11-24 | Wellcome Found | Comprimes dispersables dans l'eau. |
| US5254355A (en) * | 1992-05-29 | 1993-10-19 | Kraft General Foods, Inc. | Process for beverage tablets and products therefrom |
| JPH06218028A (ja) * | 1992-10-02 | 1994-08-09 | Eisai Co Ltd | 湿製錠の成型方法とその装置及び湿製錠 |
| US5698226A (en) * | 1993-07-13 | 1997-12-16 | Glaxo Wellcome Inc. | Water-dispersible tablets |
| DE19509856C2 (de) * | 1995-03-17 | 1997-09-11 | Schwabe Willmar Gmbh & Co | Verwendung einer Brausezusammensetzung mit Ginkgo-Biloba Trockenextrakt zur Behandlung peripherer und cerebraler Durchblutungsstörungen |
| GB0028709D0 (en) | 2000-11-24 | 2001-01-10 | S P A | Process |
| US7183321B2 (en) * | 2001-12-17 | 2007-02-27 | Bristol-Myers Squibb Company | Antidiabetic formulation and method |
| ES2575218T3 (es) * | 2009-09-04 | 2016-06-27 | Munisekhar Medasani | Método de tratamiento de enfermedades neurodegenerativas o neuromusculares degenerativas y agente terapéutico para tratar las mismas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH488411A (de) * | 1966-05-31 | 1970-04-15 | Alberto Culver Co | Verfahren zur Herstellung von geformten Tabletten |
| US3836618A (en) * | 1971-12-23 | 1974-09-17 | American Home Prod | Process for the uniform distribution of a drug on a granulated base |
| FR2335205A2 (fr) * | 1975-12-16 | 1977-07-15 | Boehringer Mannheim Gmbh | Procede pour la fabrication de comprimes poreux |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE285148C (en]) * | 1900-01-01 | |||
| DE2246013A1 (de) * | 1972-09-20 | 1974-03-28 | Boehringer Mannheim Gmbh | Verfahren zur herstellung von poroesen tabletten |
| DE2923279C2 (de) * | 1979-06-08 | 1987-07-09 | Kali-Chemie Pharma Gmbh, 3000 Hannover | Verfahren zur Herstellung von Pankreatin-Pellets und diese enthaltende Arzneimittel |
| GB2111423B (en) * | 1981-12-02 | 1985-06-26 | Wyeth John & Brother Ltd | Making quick-dissolving pills |
| DE3275121D1 (en) * | 1981-12-11 | 1987-02-19 | Wyeth John & Brother Ltd | Process for preparing solid shaped articles |
| JPS59155309A (ja) * | 1983-02-22 | 1984-09-04 | Teijin Ltd | 活性型ビタミンｄ↓３類組成物 |
| CA1239392A (en) * | 1983-10-13 | 1988-07-19 | Shigeru Yamabe | Penicillin derivatives and process for preparing the same |
| IE58110B1 (en) * | 1984-10-30 | 1993-07-14 | Elan Corp Plc | Controlled release powder and process for its preparation |
-
1986
- 1986-10-14 GB GB868624628A patent/GB8624628D0/en active Pending
-
1987
- 1987-09-23 IN IN842DE1987 patent/IN172984B/en unknown
- 1987-09-29 ZA ZA877334A patent/ZA877334B/xx unknown
- 1987-09-30 NZ NZ221986A patent/NZ221986A/xx unknown
- 1987-10-05 MA MA21316A patent/MA21075A1/fr unknown
- 1987-10-05 CH CH3879/87A patent/CH673773A5/fr not_active IP Right Cessation
- 1987-10-06 IE IE266587A patent/IE61105B1/en not_active IP Right Cessation
- 1987-10-07 GR GR871545A patent/GR871545B/el unknown
- 1987-10-07 NL NL8702388A patent/NL8702388A/nl not_active Application Discontinuation
- 1987-10-08 LU LU87015A patent/LU87015A1/fr unknown
- 1987-10-09 BE BE8701161A patent/BE1000406A5/fr not_active IP Right Cessation
- 1987-10-12 EG EG585/87A patent/EG18415A/xx active
- 1987-10-12 PH PH35920A patent/PH25790A/en unknown
- 1987-10-12 AT AT0268687A patent/AT400915B/de not_active IP Right Cessation
- 1987-10-13 MX MX008814A patent/MX170997B/es unknown
- 1987-10-13 KR KR1019870011329A patent/KR950013748B1/ko not_active Expired - Fee Related
- 1987-10-13 SE SE8703971A patent/SE502640C2/sv not_active IP Right Cessation
- 1987-10-13 ES ES8702909A patent/ES2007417A6/es not_active Expired
- 1987-10-13 FI FI874501A patent/FI89239C/fi not_active IP Right Cessation
- 1987-10-13 BR BR8705458A patent/BR8705458A/pt not_active IP Right Cessation
- 1987-10-13 AU AU79702/87A patent/AU597434B2/en not_active Ceased
- 1987-10-13 DK DK534187A patent/DK534187A/da not_active Application Discontinuation
- 1987-10-13 PT PT85907A patent/PT85907B/pt not_active IP Right Cessation
- 1987-10-13 NO NO874275A patent/NO173973C/no unknown
- 1987-10-13 CA CA000549189A patent/CA1296868C/en not_active Expired - Fee Related
- 1987-10-14 JP JP62257471A patent/JPH0641407B2/ja not_active Expired - Lifetime
- 1987-10-14 TN TNTNSN87113A patent/TNSN87113A1/fr unknown
- 1987-10-14 GB GB8724091A patent/GB2197197B/en not_active Expired - Fee Related
- 1987-10-14 OA OA59208A patent/OA08689A/xx unknown
- 1987-10-14 DE DE19873734796 patent/DE3734796A1/de not_active Ceased
- 1987-10-14 IT IT8722264A patent/IT1225474B/it active
- 1987-10-14 FR FR878714175A patent/FR2604901B1/fr not_active Expired - Fee Related
-
1989
- 1989-11-22 US US07/441,185 patent/US5082666A/en not_active Expired - Fee Related
-
1990
- 1990-10-13 SG SG835/90A patent/SG83590G/en unknown
- 1990-11-29 HK HK1005/90A patent/HK100590A/xx unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH488411A (de) * | 1966-05-31 | 1970-04-15 | Alberto Culver Co | Verfahren zur Herstellung von geformten Tabletten |
| US3836618A (en) * | 1971-12-23 | 1974-09-17 | American Home Prod | Process for the uniform distribution of a drug on a granulated base |
| FR2335205A2 (fr) * | 1975-12-16 | 1977-07-15 | Boehringer Mannheim Gmbh | Procede pour la fabrication de comprimes poreux |
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