SE304355B - - Google Patents
Info
- Publication number
- SE304355B SE304355B SE14921/64A SE1492164A SE304355B SE 304355 B SE304355 B SE 304355B SE 14921/64 A SE14921/64 A SE 14921/64A SE 1492164 A SE1492164 A SE 1492164A SE 304355 B SE304355 B SE 304355B
- Authority
- SE
- Sweden
- Prior art keywords
- particles
- phase separation
- ethyl cellulose
- cooling
- coated
- Prior art date
Links
- 239000002245 particle Substances 0.000 abstract 8
- 238000005191 phase separation Methods 0.000 abstract 7
- 239000001856 Ethyl cellulose Substances 0.000 abstract 6
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 abstract 6
- 239000003795 chemical substances by application Substances 0.000 abstract 6
- 229920001249 ethyl cellulose Polymers 0.000 abstract 6
- 235000019325 ethyl cellulose Nutrition 0.000 abstract 6
- 239000002253 acid Substances 0.000 abstract 4
- 235000019846 buffering salt Nutrition 0.000 abstract 4
- 238000001816 cooling Methods 0.000 abstract 4
- 239000006185 dispersion Substances 0.000 abstract 3
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 abstract 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 2
- 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 abstract 2
- 229910019142 PO4 Inorganic materials 0.000 abstract 2
- 239000004698 Polyethylene Substances 0.000 abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract 2
- 229960001138 acetylsalicylic acid Drugs 0.000 abstract 2
- 230000002209 hydrophobic effect Effects 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 235000021317 phosphate Nutrition 0.000 abstract 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 2
- -1 polyethylene Polymers 0.000 abstract 2
- 229920000573 polyethylene Polymers 0.000 abstract 2
- 229910052700 potassium Inorganic materials 0.000 abstract 2
- 239000011591 potassium Substances 0.000 abstract 2
- 229910052708 sodium Inorganic materials 0.000 abstract 2
- 239000011734 sodium Substances 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- BSYNRYMUTXBXSQ-FOQJRBATSA-N 59096-14-9 Chemical compound CC(=O)OC1=CC=CC=C1[14C](O)=O BSYNRYMUTXBXSQ-FOQJRBATSA-N 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 238000004807 desolvation Methods 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- 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
- A61K9/1611—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
- A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
- A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
- A61K9/5005—Wall or coating material
- A61K9/5021—Organic macromolecular compounds
- A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
- A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
- A61K9/5047—Cellulose ethers containing no ester groups, e.g. hydroxypropyl methylcellulose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
- B01J13/06—Making microcapsules or microballoons by phase separation
- B01J13/08—Simple coacervation, i.e. addition of highly hydrophilic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2989—Microcapsule with solid core [includes liposome]
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Medicinal Preparation (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US329887A US3341416A (en) | 1963-12-11 | 1963-12-11 | Encapsulation of aspirin in ethylcellulose and its product |
Publications (1)
Publication Number | Publication Date |
---|---|
SE304355B true SE304355B (en, 2012) | 1968-09-23 |
Family
ID=23287443
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE14921/64A SE304355B (en, 2012) | 1963-12-11 | 1964-12-10 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3341416A (en, 2012) |
BR (1) | BR6464160D0 (en, 2012) |
DE (1) | DE1225607B (en, 2012) |
GB (1) | GB1016839A (en, 2012) |
SE (1) | SE304355B (en, 2012) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400185A (en) * | 1965-04-08 | 1968-09-03 | Bristol Myers Co | Agglomeration of smaller pharmaceutical particles into larger microspherules and enteic-coating thereof |
FR5788M (en, 2012) * | 1965-11-18 | 1968-03-18 | ||
US3488418A (en) * | 1965-11-18 | 1970-01-06 | Sterling Drug Inc | Sustained relief analgesic composition |
BE791458A (fr) * | 1972-07-31 | 1973-05-16 | Merck & Co Inc | Produit microencapsule |
GB1468172A (en) * | 1973-03-28 | 1977-03-23 | Benzon As Alfred | Oral drug preparations |
US4107072A (en) * | 1973-05-25 | 1978-08-15 | Merck & Co., Inc. | Process of isolating cyclohexane-free ethylcellulose microcapsules |
FR2236483B1 (en, 2012) * | 1973-07-12 | 1976-11-12 | Choay Sa | |
JPS5432614A (en) * | 1977-08-11 | 1979-03-10 | Tanabe Seiyaku Co Ltd | Preparation of microcapsules containing pharmaceuticals |
US4316884A (en) * | 1979-01-25 | 1982-02-23 | Adria Laboratories, Inc. | Sustained release pharmaceutical formulation |
JPS56152739A (en) * | 1980-04-25 | 1981-11-26 | Tanabe Seiyaku Co Ltd | Production of microcapsule |
US4339428A (en) * | 1980-08-18 | 1982-07-13 | Bristol-Myers Company | Capsule product containing high dosage of aspirin in powder or granulated form and alkaline tablet or pellet comprising magnesium carbonate, calcium carbonate and a magnesium dry component |
US4508702A (en) * | 1982-06-14 | 1985-04-02 | Key Pharmaceuticals, Inc. | Sustained release aspirin |
JPS5916821A (ja) * | 1982-07-16 | 1984-01-28 | Tanabe Seiyaku Co Ltd | 非凝集性マイクロカプセルの製法 |
US4507276A (en) * | 1982-08-20 | 1985-03-26 | Bristol-Myers Company | Analgesic capsule |
HU187215B (en) * | 1983-01-26 | 1985-11-28 | Egyt Gyogyszervegyeszeti Gyar | Method for producing pharmaceutical product of high actor content and prolonged effect |
US4555399A (en) * | 1983-11-18 | 1985-11-26 | Key Pharmaceuticals, Inc. | Aspirin tablet |
US4937076A (en) * | 1984-08-10 | 1990-06-26 | Combe Incorporated | Chewable aspirin and buffering material tablet and method for producing same |
IE58110B1 (en) * | 1984-10-30 | 1993-07-14 | Elan Corp Plc | Controlled release powder and process for its preparation |
US4867984A (en) * | 1984-11-06 | 1989-09-19 | Nagin K. Patel | Drug in bead form and process for preparing same |
US4693896A (en) * | 1985-10-07 | 1987-09-15 | Fmc Corporation | Ethylcellulose-coated, gastric-disintegrable aspirin tablet |
US4710384A (en) * | 1986-07-28 | 1987-12-01 | Avner Rotman | Sustained release tablets made from microcapsules |
HU201869B (en) * | 1988-12-30 | 1991-01-28 | Egyt Gyogyszervegyeszeti Gyar | Process for producing microcapsules of quick dissolving active component |
US5026559A (en) * | 1989-04-03 | 1991-06-25 | Kinaform Technology, Inc. | Sustained-release pharmaceutical preparation |
US4983401A (en) * | 1989-05-22 | 1991-01-08 | Kinaform Technology, Inc. | Sustained release pharmaceutical preparations having pH controlled membrane coatings |
CA2067975C (en) * | 1991-05-20 | 2003-01-14 | Cynthia M. Blase | Buffered matrix aspirin tablet |
US5252337A (en) * | 1991-06-25 | 1993-10-12 | Eurand America, Inc. | Controlled release calcium channel blocker microcapsules |
US5422122A (en) * | 1992-08-04 | 1995-06-06 | Eurand America, Incorporated | Controlled release potassium chloride tablet |
US5376384A (en) * | 1992-12-23 | 1994-12-27 | Kinaform Technology, Inc. | Delayed, sustained-release pharmaceutical preparation |
FR2741534B1 (fr) * | 1995-11-23 | 1998-09-11 | Mazal Pharma | Composition pharmaceutique stable a base d'acide acetylsalicylique et de tocopherol |
US5698246A (en) * | 1996-01-29 | 1997-12-16 | Cargill, Incorporated | Foodstuff for and method of feeding crustaceans and fish |
GB9909369D0 (en) * | 1999-04-26 | 1999-06-16 | Eurand Int | Method for production of microcapsules |
AU2001257359A1 (en) | 2000-04-27 | 2001-11-07 | Verion Inc. | Zero order release and temperature-controlled microcapsules and process for the preparation thereof |
US6864018B2 (en) | 2002-02-22 | 2005-03-08 | Nanotek Instruments, Inc | Battery with a controlled release anode |
US8999372B2 (en) * | 2002-11-14 | 2015-04-07 | Cure Pharmaceutical Corporation | Methods for modulating dissolution, bioavailability, bioequivalence and drug delivery profile of thin film drug delivery systems, controlled-release thin film dosage formats, and methods for their manufacture and use |
US20040131662A1 (en) | 2003-11-12 | 2004-07-08 | Davidson Robert S. | Method and apparatus for minimizing heat, moisture, and shear damage to medicants and other compositions during incorporation of same with edible films |
US20040191302A1 (en) | 2003-03-28 | 2004-09-30 | Davidson Robert S. | Method and apparatus for minimizing heat, moisture, and shear damage to medicants and other compositions during incorporation of same with edible films |
US9561182B2 (en) * | 2003-08-22 | 2017-02-07 | Cure Pharmaceutical Corporation | Edible films for administration of medicaments to animals, methods for their manufacture and methods for their use for the treatment of animals |
US7632521B2 (en) * | 2003-07-15 | 2009-12-15 | Eurand, Inc. | Controlled release potassium chloride tablets |
US7387793B2 (en) * | 2003-11-14 | 2008-06-17 | Eurand, Inc. | Modified release dosage forms of skeletal muscle relaxants |
US8591972B2 (en) | 2005-05-23 | 2013-11-26 | Kraft Foods Global Brands Llc | Delivery system for coated active components as part of an edible composition |
US20050112236A1 (en) * | 2003-11-21 | 2005-05-26 | Navroz Boghani | Delivery system for active components as part of an edible composition having preselected tensile strength |
US8597703B2 (en) | 2005-05-23 | 2013-12-03 | Kraft Foods Global Brands Llc | Delivery system for active components as part of an edible composition including a ratio of encapsulating material and active component |
US8591974B2 (en) * | 2003-11-21 | 2013-11-26 | Kraft Foods Global Brands Llc | Delivery system for two or more active components as part of an edible composition |
US8591968B2 (en) | 2005-05-23 | 2013-11-26 | Kraft Foods Global Brands Llc | Edible composition including a delivery system for active components |
US9271904B2 (en) | 2003-11-21 | 2016-03-01 | Intercontinental Great Brands Llc | Controlled release oral delivery systems |
US8591973B2 (en) | 2005-05-23 | 2013-11-26 | Kraft Foods Global Brands Llc | Delivery system for active components and a material having preselected hydrophobicity as part of an edible composition |
US8389032B2 (en) | 2005-05-23 | 2013-03-05 | Kraft Foods Global Brands Llc | Delivery system for active components as part of an edible composition having selected particle size |
TWI519322B (zh) * | 2008-04-15 | 2016-02-01 | 愛戴爾製藥股份有限公司 | 包含弱鹼性藥物及控制釋放劑型之組合物 |
WO2019080693A1 (zh) | 2017-10-26 | 2019-05-02 | 浙江越甲药业有限公司 | 一种稳定的含有非甾体抗炎药衍生物的药物组合物 |
FR3078630B1 (fr) | 2018-03-08 | 2021-05-14 | Karim Ioualalen | Mode de formulation sous forme de solide divise hydrophobe |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE622026A (en, 2012) * | 1961-09-05 | |||
US3115441A (en) * | 1962-06-06 | 1963-12-24 | Victor M Hermelin | Timed release pharmaceutical preparations and method of making the same |
US3155590A (en) * | 1962-08-02 | 1964-11-03 | Ncr Co | Encapsulation process and its product |
-
1963
- 1963-12-11 US US329887A patent/US3341416A/en not_active Expired - Lifetime
-
1964
- 1964-11-04 GB GB44929/64A patent/GB1016839A/en not_active Expired
- 1964-11-11 BR BR164160/64A patent/BR6464160D0/pt unknown
- 1964-12-09 DE DEN25950A patent/DE1225607B/de active Pending
- 1964-12-10 SE SE14921/64A patent/SE304355B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1225607B (de) | 1966-09-29 |
US3341416A (en) | 1967-09-12 |
BR6464160D0 (pt) | 1973-08-02 |
GB1016839A (en) | 1966-01-12 |
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