DE1228757B - Verfahren zur Herstellung eines in Wasser und Magensaft rasch zerfallenden UEberzuges auf festen Arzneiformen - Google Patents
Verfahren zur Herstellung eines in Wasser und Magensaft rasch zerfallenden UEberzuges auf festen ArzneiformenInfo
- Publication number
- DE1228757B DE1228757B DEA43433A DEA0043433A DE1228757B DE 1228757 B DE1228757 B DE 1228757B DE A43433 A DEA43433 A DE A43433A DE A0043433 A DEA0043433 A DE A0043433A DE 1228757 B DE1228757 B DE 1228757B
- Authority
- DE
- Germany
- Prior art keywords
- coating
- water
- tablets
- solution
- gastric juice
- 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.)
- Pending
Links
- 238000000576 coating method Methods 0.000 title claims description 63
- 239000011248 coating agent Substances 0.000 title claims description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 22
- 210000004051 gastric juice Anatomy 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000007909 solid dosage form Substances 0.000 title description 2
- 239000003826 tablet Substances 0.000 claims description 41
- 229920003023 plastic Polymers 0.000 claims description 22
- 239000004033 plastic Substances 0.000 claims description 22
- 239000003960 organic solvent Substances 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 239000000829 suppository Substances 0.000 claims description 5
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000002552 dosage form Substances 0.000 claims description 3
- 239000011343 solid material Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 31
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 28
- 239000002202 Polyethylene glycol Substances 0.000 description 26
- 229920001223 polyethylene glycol Polymers 0.000 description 26
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 13
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 12
- 239000000126 substance Substances 0.000 description 9
- 229920000623 Cellulose acetate phthalate Polymers 0.000 description 8
- 229940081734 cellulose acetate phthalate Drugs 0.000 description 8
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000004408 titanium dioxide Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 4
- 230000003000 nontoxic effect Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 229920001800 Shellac Polymers 0.000 description 3
- OIQPTROHQCGFEF-UHFFFAOYSA-L chembl1371409 Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 OIQPTROHQCGFEF-UHFFFAOYSA-L 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000004208 shellac Substances 0.000 description 3
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 3
- 229940113147 shellac Drugs 0.000 description 3
- 235000013874 shellac Nutrition 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 2
- 240000001592 Amaranthus caudatus Species 0.000 description 2
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- 229920002494 Zein Polymers 0.000 description 2
- 239000004178 amaranth Substances 0.000 description 2
- 235000012735 amaranth Nutrition 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical group [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000000025 natural resin Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 239000005019 zein Substances 0.000 description 2
- 229940093612 zein Drugs 0.000 description 2
- PEXNXOXCZLFQAO-ODZAUARKSA-N (z)-but-2-enedioic acid;ethenyl acetate Chemical compound CC(=O)OC=C.OC(=O)\C=C/C(O)=O PEXNXOXCZLFQAO-ODZAUARKSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- CMEPUAROFJSGJN-UHFFFAOYSA-N 1,4-dioxan-2-ylmethanol Chemical compound OCC1COCCO1 CMEPUAROFJSGJN-UHFFFAOYSA-N 0.000 description 1
- NVJUHMXYKCUMQA-UHFFFAOYSA-N 1-ethoxypropane Chemical compound CCCOCC NVJUHMXYKCUMQA-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 1
- 229920003136 Eudragit® L polymer Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000001241 acetals Chemical class 0.000 description 1
- CZSWPTDFGFHVTR-UHFFFAOYSA-N acetic acid;1-ethenylpyrrolidin-2-one Chemical compound CC(O)=O.C=CN1CCCC1=O CZSWPTDFGFHVTR-UHFFFAOYSA-N 0.000 description 1
- IYKJEILNJZQJPU-UHFFFAOYSA-N acetic acid;butanedioic acid Chemical compound CC(O)=O.OC(=O)CCC(O)=O IYKJEILNJZQJPU-UHFFFAOYSA-N 0.000 description 1
- GAMPNQJDUFQVQO-UHFFFAOYSA-N acetic acid;phthalic acid Chemical compound CC(O)=O.OC(=O)C1=CC=CC=C1C(O)=O GAMPNQJDUFQVQO-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- XTLNYNMNUCLWEZ-UHFFFAOYSA-N ethanol;propan-2-one Chemical compound CCO.CC(C)=O XTLNYNMNUCLWEZ-UHFFFAOYSA-N 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 235000013773 glyceryl triacetate Nutrition 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- VVORTTWYCNPXNE-UHFFFAOYSA-N methoxymethane;propan-2-one Chemical compound COC.CC(C)=O VVORTTWYCNPXNE-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229940086389 succinic acid 150 mg Drugs 0.000 description 1
- 238000009495 sugar coating Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229960002622 triacetin Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 238000005303 weighing Methods 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
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2886—Dragees; Coated pills or tablets, e.g. with film or compression coating having two or more different drug-free coatings; Tablets of the type inert core-drug layer-inactive layer
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE718962 | 1962-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1228757B true DE1228757B (de) | 1966-11-17 |
Family
ID=20270666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEA43433A Pending DE1228757B (de) | 1962-06-28 | 1963-06-26 | Verfahren zur Herstellung eines in Wasser und Magensaft rasch zerfallenden UEberzuges auf festen Arzneiformen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3371015A (OSRAM) |
| DE (1) | DE1228757B (OSRAM) |
| DK (1) | DK105119C (OSRAM) |
| FI (1) | FI40923B (OSRAM) |
| GB (1) | GB1003241A (OSRAM) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3539380A (en) * | 1968-01-08 | 1970-11-10 | Upjohn Co | Methylcellulose and polyalkylene glycol coating of solid medicinal dosage forms |
| BE744162A (fr) * | 1969-01-16 | 1970-06-15 | Fuji Photo Film Co Ltd | Procede d'encapsulage |
| DE2010416B2 (de) * | 1970-03-05 | 1979-03-29 | Hoechst Ag, 6000 Frankfurt | Oral anwendbare Arzneiform mit Retardwirkung |
| US3753767A (en) * | 1971-08-02 | 1973-08-21 | Colgate Palmolive Co | Method of sugar-coating tablets |
| US3957966A (en) * | 1972-05-19 | 1976-05-18 | Gaf Corporation | Stabilized vitamin food coatings |
| DE2406625C3 (de) * | 1973-02-27 | 1979-11-08 | Zenyaku Kogyo K.K., Tokio | Verfahren zum Überziehen von festen Teilchen mit einem im Verdauungstrakt löslichen Film und Vorrichtung zu seiner Durchführung |
| JPS50129727A (OSRAM) * | 1974-04-04 | 1975-10-14 | ||
| US4150111A (en) * | 1974-05-28 | 1979-04-17 | Allister Warren | Enteric coated magnesium chloride |
| DD146547A5 (de) * | 1978-07-15 | 1981-02-18 | Boehringer Sohn Ingelheim | Arzneimittel-retardform mit unloeslichen poroesen diffusionshuellen |
| SE426548B (sv) * | 1978-12-05 | 1983-01-31 | Haessle Ab | Fast farmaceutisk beredning innehallande en terapeutiskt effektiv hjertglykosid och en polymer |
| SE7813246L (sv) * | 1978-12-22 | 1980-06-23 | Haessle Ab | Fast farmaceutisk beredning innehallande kroppar med flera ytskikt |
| US4221778A (en) * | 1979-01-08 | 1980-09-09 | Pennwalt Corporation | Prolonged release pharmaceutical preparations |
| JPS5620513A (en) * | 1979-07-31 | 1981-02-26 | Eisai Co Ltd | Sugar-coated tablet containing fat-soluble drug |
| FR2471186A1 (fr) * | 1979-12-10 | 1981-06-19 | Roussel Uclaf | Nouveaux comprimes a delitescence colique, ainsi que leur procede de preparation |
| SE457505B (sv) * | 1984-01-10 | 1989-01-09 | Lejus Medical Ab | Laminatbelagd oral farmaceutisk komposition och foerfarande foer dess framstaellning |
| US4876094A (en) * | 1984-01-13 | 1989-10-24 | Battelle Development Corporation | Controlled release liquid dosage formulation |
| US4693896A (en) * | 1985-10-07 | 1987-09-15 | Fmc Corporation | Ethylcellulose-coated, gastric-disintegrable aspirin tablet |
| CH669523A5 (OSRAM) * | 1986-06-25 | 1989-03-31 | Mepha Ag | |
| US4851226A (en) * | 1987-11-16 | 1989-07-25 | Mcneil Consumer Products Company | Chewable medicament tablet containing means for taste masking |
| CA2011684C (en) * | 1989-07-31 | 2000-05-02 | Lawrence J. Daher | Aqueous film coating |
| US6482516B1 (en) * | 1993-07-20 | 2002-11-19 | Banner Pharmacaps, Inc. | Enrobed tablet |
| US5324351A (en) * | 1992-08-13 | 1994-06-28 | Euroceltique | Aqueous dispersions of zein and preparation thereof |
| SE0100200D0 (sv) * | 2001-01-24 | 2001-01-24 | Astrazeneca Ab | New film coating |
| EP1245608B1 (en) * | 2001-03-27 | 2004-05-19 | Nof Corporation | Polyethylene glycol and process for producing the same |
| ES2373873T3 (es) * | 2001-04-10 | 2012-02-09 | Sun Pharma Advanced Research Company Limited | Composición de liberación por impulso temporizado. |
| BR0206441A (pt) * | 2001-12-19 | 2003-12-30 | Astrazeneca Ab | Composição de revestimento de pelìcula, revestimento de pelìcula cobrindo um núcleo farmacêutico, formulação farmacêutica de liberação modificada, e, processos para preparar uma composição de revestimento de pelìcula, um revestimento de pelìcula e uma formulação |
| CA2936746C (en) | 2014-10-31 | 2017-06-27 | Purdue Pharma | Methods and compositions particularly for treatment of attention deficit disorder |
| US10722473B2 (en) | 2018-11-19 | 2020-07-28 | Purdue Pharma L.P. | Methods and compositions particularly for treatment of attention deficit disorder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1000569B (de) * | 1955-07-18 | 1957-01-10 | Dr Walther Awe | Schnellverfahren zur Herstellung von Arznei- oder Lebensmitteln in Drageeform mit sehr niedrigen Zerfallszeiten |
| DE1056786B (de) * | 1953-11-09 | 1959-05-06 | Abbott Lab | Wasserloesliche Tablettenueberzuege |
| DE1081607B (de) * | 1959-03-28 | 1960-05-12 | Bayer Ag | Verfahren zur Umhuellung von Arzneimitteln |
| DE1118932B (de) * | 1959-09-02 | 1961-12-07 | Abbott Lab | Dragierloesung fuer feste Arzneipraeparate |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA561936A (en) * | 1958-08-19 | Abbott Laboratories | Enteric coating | |
| CH283585A (de) * | 1950-03-15 | 1952-06-15 | Hoffmann La Roche | Zur Herstellung von Tablettenüberzügen geeignetes Gemisch. |
| US2738303A (en) * | 1952-07-18 | 1956-03-13 | Smith Kline French Lab | Sympathomimetic preparation |
| GB764342A (en) * | 1953-12-03 | 1956-12-28 | Abbott Lab | Improvements in or relating to coated water soluble tablets |
| NL108838C (OSRAM) * | 1956-03-27 | |||
| US3039933A (en) * | 1957-10-07 | 1962-06-19 | Premo Pharmaceutical Lab Inc | Ethyl cellulose-polyethylene glycol tablet matrix |
| NL235736A (OSRAM) * | 1958-02-03 | |||
| US2949402A (en) * | 1958-04-16 | 1960-08-16 | American Cyanamid Co | Tablet coating |
| US2928770A (en) * | 1958-11-28 | 1960-03-15 | Frank M Bardani | Sustained action pill |
| US3096248A (en) * | 1959-04-06 | 1963-07-02 | Rexall Drug & Chemical Company | Method of making an encapsulated tablet |
| BE590276A (OSRAM) * | 1959-04-30 | |||
| US3115441A (en) * | 1962-06-06 | 1963-12-24 | Victor M Hermelin | Timed release pharmaceutical preparations and method of making the same |
-
1963
- 1963-06-26 DE DEA43433A patent/DE1228757B/de active Pending
- 1963-06-27 DK DK307163AA patent/DK105119C/da active
- 1963-06-27 FI FI1291/63A patent/FI40923B/fi active
- 1963-06-27 GB GB25695/63A patent/GB1003241A/en not_active Expired
- 1963-06-27 US US290936A patent/US3371015A/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1056786B (de) * | 1953-11-09 | 1959-05-06 | Abbott Lab | Wasserloesliche Tablettenueberzuege |
| DE1000569B (de) * | 1955-07-18 | 1957-01-10 | Dr Walther Awe | Schnellverfahren zur Herstellung von Arznei- oder Lebensmitteln in Drageeform mit sehr niedrigen Zerfallszeiten |
| DE1081607B (de) * | 1959-03-28 | 1960-05-12 | Bayer Ag | Verfahren zur Umhuellung von Arzneimitteln |
| DE1118932B (de) * | 1959-09-02 | 1961-12-07 | Abbott Lab | Dragierloesung fuer feste Arzneipraeparate |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1003241A (en) | 1965-09-02 |
| DK105119C (da) | 1966-08-22 |
| US3371015A (en) | 1968-02-27 |
| FI40923B (OSRAM) | 1969-03-31 |
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