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 microcristallina

Info

Publication number: IT7819787A0
Authority: IT; Italy
Prior art keywords: vitamin; acetate; procedure; manufacture; microcrystalline form
Prior art date: 1977-03-25

Application number

IT7819787A

Other languages

English (en)

Other versions

IT1158446B (it

Original Assignee

Hoffmann La Roche

Priority date (The priority date 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 date listed.)

1977-03-25

Filing date

1978-01-30

Publication date

1978-01-30

1978-01-30 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1978-01-30 Publication of IT7819787A0 publication Critical patent/IT7819787A0/it

1987-02-18 Application granted granted Critical

1987-02-18 Publication of IT1158446B publication Critical patent/IT1158446B/it

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)
Chemical & Material Sciences (AREA)
Medicinal Chemistry (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Life Sciences & Earth Sciences (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Engineering & Computer Science (AREA)
Bioinformatics & Cheminformatics (AREA)
Medicinal Preparation (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

IT19787/78A 1977-03-25 1978-01-30 Procedimento per la fabbricazione dell'acetato della vitamina a in forma microocristallina IT1158446B (it)

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)

* Cited by examiner, † Cited by third party
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
US5288500A (en) *	1987-03-13	1994-02-22	Benzon Pharma A/S	Oral composition containing particles comprising an active substance
DK130287D0 (da) *	1987-03-13	1987-03-13	Benzon As Alfred	Oralt praeparat
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
US20050147698A1 (en) *	2002-03-28	2005-07-07	Alcon, Inc.	Co-beadlet of dha and rosemary 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
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
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
US7267830B2 (en) *	2003-12-19	2007-09-11	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
WO2010074940A1 (en)	2008-12-23	2010-07-01	Alcon Research, Ltd.	Compositions and nutritional supplements for improving ocular health and reducing ocular inflammatory response
AU2010314956A1 (en) *	2009-11-06	2012-04-12	Alcon Research, Ltd.	Nutritional supplements for relief of dry eye

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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
NL231388A (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
NL113394C (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
CH627449A5 (de)	1982-01-15
JPS53118512A (en)	1978-10-17
GB1558338A (en)	1979-12-19
FR2384756B1 (it)	1982-04-09
NL7801421A (nl)	1978-09-27
AT370317B (de)	1983-03-25
ATA210178A (de)	1982-08-15
IT1158446B (it)	1987-02-18
US4254100A (en)	1981-03-03
FR2384756A1 (fr)	1978-10-20
BE865296A (fr)	1978-09-25
DE2812582A1 (de)	1978-09-28

Publication	Publication Date	Title
PL204853A1 (pl)	1979-09-10	Sposob wytwarzania terapeutycznego ukladu w postaci plastra skornego
IT1158446B (it)	1987-02-18	Procedimento per la fabbricazione dell'acetato della vitamina a in forma microocristallina
IL51219A (en)	1980-03-31	Cavity liner for dental restorations
PL211703A1 (pl)	1979-08-13	Sposob wytwarzania nowego peptydu
PL197825A1 (pl)	1978-02-13	Sposob wytwarzania nowych pochodnych n-fosfonometyloglicyny oraz srodek chwastobojczy
FR2345140A1 (fr)	1977-10-21	Valvule cardiaque artificielle
SE7706179L (sv)	1977-11-28	Indiumhaltig dentallegering
IL51294A0 (en)	1977-03-31	Novel bicycloalkyl derivatives of prostaglandins
PL196761A1 (pl)	1978-05-08	Sposob wytwarzania naturalnego zaczynu do sporzadzania chleba i pieczywa
JPS5311746A (en)	1978-02-02	Production of artificial chippwood
DD127956A1 (de)	1977-10-19	Vollprothesenherstellung
BE839280A (fr)	1976-07-01	Perfectionnement a la production d'alliages denses
BE839258A (fr)	1976-09-06	Perfectionnements a la preparation d'alliages
PL210788A1 (pl)	1979-09-24	Sposob wytwarzania nowej pochodnej izochinoliny
SE7901947L (sv)	1980-06-05	Forbettrad evighetskalender
AT352412B (de)	1979-09-25	Korrosionsbestaendige chromnickel legierung
PT66398A (de)	1977-05-01	Quarzgesteuerte analog-armbanduhr
JPS53144820A (en)	1978-12-16	Model of ingot case
JPS5463585A (en)	1979-05-22	Dry trimmer for dental gypsum model
IT1072723B (it)	1985-04-10	Procedimento per la fluorurazione dell uracile
JPS5296925A (en)	1977-08-15	Method of manufacturing model for casting
IT1094159B (it)	1985-07-26	Procedimento per la produzione dell'acido citrico
JPS535025A (en)	1978-01-18	Method to manufacture plaster casting mould
JPS537998A (en)	1978-01-24	Artificial heart valve
AT355351B (de)	1980-02-25	Zierpflanzenmodell