IT7819787A0 - Procedimento per la fabbricazione dell'acetato della vitamina a in forma microcristallina - Google Patents
Procedimento per la fabbricazione dell'acetato della vitamina a in forma microcristallinaInfo
- Publication number
- IT7819787A0 IT7819787A0 IT7819787A IT1978778A IT7819787A0 IT 7819787 A0 IT7819787 A0 IT 7819787A0 IT 7819787 A IT7819787 A IT 7819787A IT 1978778 A IT1978778 A IT 1978778A IT 7819787 A0 IT7819787 A0 IT 7819787A0
- Authority
- IT
- Italy
- Prior art keywords
- vitamin
- acetate
- procedure
- manufacture
- microcrystalline form
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229960000342 retinol acetate Drugs 0.000 title 1
- QGNJRVVDBSJHIZ-QHLGVNSISA-N retinyl acetate Chemical compound CC(=O)OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C QGNJRVVDBSJHIZ-QHLGVNSISA-N 0.000 title 1
- 235000019173 retinyl acetate Nutrition 0.000 title 1
- 239000011770 retinyl acetate Substances 0.000 title 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
- A61K9/48—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
-
- 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
- A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
- A61K31/07—Retinol compounds, e.g. vitamin A
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (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)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH381177A CH627449A5 (de) | 1977-03-25 | 1977-03-25 | Verfahren zur herstellung von mikrokristallinem vitamin a-acetat, sowie von trockenen, frei-fliessenden praeparaten, in welchen vitamin a-acetat in mikrokristalliner form vorliegt. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7819787A0 true IT7819787A0 (it) | 1978-01-30 |
IT1158446B IT1158446B (it) | 1987-02-18 |
Family
ID=4263964
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19787/78A IT1158446B (it) | 1977-03-25 | 1978-01-30 | Procedimento per la fabbricazione dell'acetato della vitamina a in forma microocristallina |
Country Status (10)
Country | Link |
---|---|
US (1) | US4254100A (it) |
JP (1) | JPS53118512A (it) |
AT (1) | AT370317B (it) |
BE (1) | BE865296A (it) |
CH (1) | CH627449A5 (it) |
DE (1) | DE2812582A1 (it) |
FR (1) | FR2384756A1 (it) |
GB (1) | GB1558338A (it) |
IT (1) | IT1158446B (it) |
NL (1) | NL7801421A (it) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4389419A (en) * | 1980-11-10 | 1983-06-21 | Damon Corporation | Vitamin encapsulation |
IE58110B1 (en) * | 1984-10-30 | 1993-07-14 | Elan Corp Plc | Controlled release powder and process for its preparation |
US4892889A (en) * | 1986-11-18 | 1990-01-09 | Basf Corporation | Process for making a spray-dried, directly-compressible vitamin powder comprising unhydrolyzed gelatin |
DK130287D0 (da) * | 1987-03-13 | 1987-03-13 | Benzon As Alfred | Oralt praeparat |
US5288500A (en) * | 1987-03-13 | 1994-02-22 | Benzon Pharma A/S | Oral composition containing particles comprising an active substance |
US5037655A (en) * | 1990-04-18 | 1991-08-06 | Giovanoni Richard L | Method of stabilizing tretinoin |
TW209174B (it) * | 1991-04-19 | 1993-07-11 | Takeda Pharm Industry Co Ltd | |
US7239755B1 (en) * | 1997-07-30 | 2007-07-03 | Lg Electronics Inc. | Method of reducing a blocking artifact when coding moving picture |
US6582721B1 (en) | 1999-09-17 | 2003-06-24 | Alcon, Inc. | Stable carotene-xanthophyll beadlet compositions and methods of use |
AR039170A1 (es) * | 2002-03-28 | 2005-02-09 | Bio Dar Ltd | Co-granulos de dha y romero y metodos de uso |
EP1487418B1 (en) * | 2002-03-28 | 2008-06-18 | Alcon, Inc. | Co-beadlet of dha and rosemary and methods of use |
DE10218106A1 (de) * | 2002-04-23 | 2003-11-20 | Jenapharm Gmbh | Verfahren zum Herstellen von Kristallen von Arzneimittelwirkstoffen, danach erhältliche Kristalle und deren Verwendung in pharmazeutischen Formulierungen |
DE10218110A1 (de) * | 2002-04-23 | 2003-11-20 | Jenapharm Gmbh | Verfahren zum Herstellen von Kristallen von Arzneimittelhilfsstoffen, danach erhältliche Kristalle und deren Verwendung in pharmazeutischen Formulierungen |
WO2005065669A1 (en) * | 2003-12-19 | 2005-07-21 | Alcon, Inc. | Composition and methods for inhibiting the progression macular degeneration and promoting healthy vision |
US9247765B2 (en) | 2004-01-14 | 2016-02-02 | Omniactive Health Technologies Limited | Stable beadlets of lipophilic nutrients |
US7981858B1 (en) | 2004-12-22 | 2011-07-19 | Alcon, Inc. | Methods of using zinc containing compounds to improve ocular health |
US20100159029A1 (en) * | 2008-12-23 | 2010-06-24 | Alcon Research, Ltd. | Composition and nutritional supplements for improving ocular health and reducing ocular inflammatory response |
BR112012010586A2 (pt) * | 2009-11-06 | 2016-03-22 | Alcon Res Ltd | suplementos nutricionais para alívio de segura no olho. |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2218591A (en) * | 1936-10-10 | 1940-10-22 | Atlantic Coast Fisheries Co | Vitamin preparation |
US2183053A (en) * | 1936-12-03 | 1939-12-12 | Atlantic Coast Fisheries Co | Vitamin preparation and method of making same |
US2218592A (en) * | 1939-06-17 | 1940-10-22 | Atlantic Coast Fisheries Co | Vitamin preparation and method of making same |
US2375279A (en) * | 1942-05-07 | 1945-05-08 | Nat Oil Prod Co | Fat-soluble vitamin product |
US2643209A (en) * | 1951-05-16 | 1953-06-23 | Pfizer & Co C | Vitamin a acetate gelatin beadlets |
US2824807A (en) * | 1955-02-17 | 1958-02-25 | Gen Foods Corp | Spray drying process |
NL122393C (it) * | 1957-09-17 | |||
US3056728A (en) * | 1958-10-14 | 1962-10-02 | Ohtaki Shinshiro | Process for manufacturing powdered preparations containing fat-soluble vitamins, essential oils, and mixtures thereof |
BE602237A (it) * | 1960-04-07 | |||
GB1142147A (en) * | 1965-05-28 | 1969-02-05 | Glaxo Lab Ltd | A process for making free-flowing gel particles |
FR1532957A (fr) * | 1966-07-30 | 1968-07-12 | Sumitomo Chemical Co | Procédé de fabrication de sphérules |
US3565559A (en) * | 1968-03-11 | 1971-02-23 | Sumitomo Chemical Co | Process for making microcapsules |
-
1977
- 1977-03-25 CH CH381177A patent/CH627449A5/de not_active IP Right Cessation
-
1978
- 1978-01-30 IT IT19787/78A patent/IT1158446B/it active
- 1978-02-07 NL NL7801421A patent/NL7801421A/xx not_active Application Discontinuation
- 1978-03-21 FR FR7808123A patent/FR2384756A1/fr active Granted
- 1978-03-22 DE DE19782812582 patent/DE2812582A1/de not_active Withdrawn
- 1978-03-23 GB GB11706/78A patent/GB1558338A/en not_active Expired
- 1978-03-23 JP JP3244278A patent/JPS53118512A/ja active Pending
- 1978-03-23 AT AT0210178A patent/AT370317B/de not_active IP Right Cessation
- 1978-03-24 BE BE186252A patent/BE865296A/xx not_active IP Right Cessation
-
1980
- 1980-03-07 US US06/128,078 patent/US4254100A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS53118512A (en) | 1978-10-17 |
GB1558338A (en) | 1979-12-19 |
NL7801421A (nl) | 1978-09-27 |
US4254100A (en) | 1981-03-03 |
DE2812582A1 (de) | 1978-09-28 |
IT1158446B (it) | 1987-02-18 |
CH627449A5 (de) | 1982-01-15 |
FR2384756A1 (fr) | 1978-10-20 |
BE865296A (fr) | 1978-09-25 |
ATA210178A (de) | 1982-08-15 |
AT370317B (de) | 1983-03-25 |
FR2384756B1 (it) | 1982-04-09 |
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