GB1409468A - Process for coating finely divided medicaments - Google Patents
Process for coating finely divided medicamentsInfo
- Publication number
- GB1409468A GB1409468A GB2187973A GB2187973A GB1409468A GB 1409468 A GB1409468 A GB 1409468A GB 2187973 A GB2187973 A GB 2187973A GB 2187973 A GB2187973 A GB 2187973A GB 1409468 A GB1409468 A GB 1409468A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coated
- ethyl cellulose
- mixture
- solution
- coating
- 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.)
- Expired
Links
Classifications
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medicinal Preparation (AREA)
- Glanulating (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2223896A DE2223896A1 (de) | 1972-05-17 | 1972-05-17 | Verfahren zum ueberziehen von feinteiligen arzneimitteln |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1409468A true GB1409468A (en) | 1975-10-08 |
Family
ID=5845047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2187973A Expired GB1409468A (en) | 1972-05-17 | 1973-05-08 | Process for coating finely divided medicaments |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS4941276A (fr) |
AT (1) | AT341675B (fr) |
AU (1) | AU475925B2 (fr) |
CH (1) | CH573749A5 (fr) |
DE (1) | DE2223896A1 (fr) |
ES (1) | ES414425A1 (fr) |
FR (1) | FR2184901B1 (fr) |
GB (1) | GB1409468A (fr) |
NL (1) | NL7306752A (fr) |
ZA (1) | ZA732923B (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993013783A1 (fr) * | 1992-01-20 | 1993-07-22 | Holm Christensen Boerge | Composition contenant du fer servant a la prevention de l'anemie et procede de preparation |
US5662922A (en) * | 1992-01-20 | 1997-09-02 | Christensen; Borge Holm | Iron-containing composition for the prevention of anaemia and a method for producing the composition |
EP2591772A1 (fr) | 2011-11-10 | 2013-05-15 | Omya Development AG | Nouveaux supports revêtus d'agent actif à libération contrôlée |
WO2013068478A1 (fr) | 2011-11-10 | 2013-05-16 | Omya Development Ag | Nouveaux supports d'agent actif à libération contrôlée, à enrobage |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1561204A (en) * | 1977-06-01 | 1980-02-13 | Ici Ltd | Sustained release pharmaceutical composition |
JPS58513Y2 (ja) * | 1978-07-31 | 1983-01-06 | 三田尻化学工業株式会社 | 非生活動物体用被包材 |
JPS5898131A (ja) * | 1981-12-07 | 1983-06-10 | Ricoh Co Ltd | 粒状固体物質への樹脂被覆方法 |
JPS6020073A (ja) * | 1983-07-15 | 1985-02-01 | テイサン株式会社 | 製品ガス使用量の変動に追随可能なガス液化及び気化方法 |
JPH0774151B2 (ja) * | 1987-10-12 | 1995-08-09 | 三井東圧化学株式会社 | 薬物の好ましくない官能的性質を隠蔽した散剤の製造方法 |
FI101344B1 (fi) † | 1988-03-31 | 1998-06-15 | Tanabe Seiyaku Co | Menetelmä valmistaa valmiste, josta kontrolloidusti vapautuu farmaseuttisesti aktiivista ainetta |
US5077051A (en) * | 1990-04-10 | 1991-12-31 | Warner-Lambert Company | Sustained release of active agents from bioadhesive microcapsules |
CN101272769B (zh) * | 2005-07-28 | 2013-04-24 | Isp投资有限公司 | 生物利用度提高的苯醌类化合物 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1258497A (fr) * | 1959-04-30 | 1961-04-14 | Wisconsin Alumni Res Found | Procédé de granulation |
FR1272687A (fr) * | 1959-11-09 | 1961-09-29 | Wisconsin Alumni Res Found | Procédé d'enduction de particules |
FR1332235A (fr) * | 1962-07-03 | 1963-07-12 | Abbott Lab | Méthode pour l'enrobage des comprimés |
BE757715A (fr) * | 1969-10-21 | 1971-04-20 | Ciba Geigy | Revetement pour capsules en gelatine et procede pour leur preparation |
-
1972
- 1972-05-17 DE DE2223896A patent/DE2223896A1/de active Pending
-
1973
- 1973-04-30 ZA ZA732923A patent/ZA732923B/xx unknown
- 1973-05-02 AU AU55119/73A patent/AU475925B2/en not_active Expired
- 1973-05-04 ES ES414425A patent/ES414425A1/es not_active Expired
- 1973-05-08 GB GB2187973A patent/GB1409468A/en not_active Expired
- 1973-05-08 CH CH659273A patent/CH573749A5/xx not_active IP Right Cessation
- 1973-05-11 AT AT414573A patent/AT341675B/de active
- 1973-05-15 NL NL7306752A patent/NL7306752A/xx not_active Application Discontinuation
- 1973-05-16 FR FR7317655A patent/FR2184901B1/fr not_active Expired
- 1973-05-17 JP JP48054148A patent/JPS4941276A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993013783A1 (fr) * | 1992-01-20 | 1993-07-22 | Holm Christensen Boerge | Composition contenant du fer servant a la prevention de l'anemie et procede de preparation |
US5662922A (en) * | 1992-01-20 | 1997-09-02 | Christensen; Borge Holm | Iron-containing composition for the prevention of anaemia and a method for producing the composition |
EP2591772A1 (fr) | 2011-11-10 | 2013-05-15 | Omya Development AG | Nouveaux supports revêtus d'agent actif à libération contrôlée |
WO2013068478A1 (fr) | 2011-11-10 | 2013-05-16 | Omya Development Ag | Nouveaux supports d'agent actif à libération contrôlée, à enrobage |
US9579291B2 (en) | 2011-11-10 | 2017-02-28 | Omya International Ag | Coated controlled release active agent carriers |
Also Published As
Publication number | Publication date |
---|---|
CH573749A5 (fr) | 1976-03-31 |
FR2184901B1 (fr) | 1976-11-12 |
AU475925B2 (en) | 1976-09-09 |
AU5511973A (en) | 1974-11-07 |
NL7306752A (fr) | 1973-11-20 |
ATA414573A (de) | 1977-06-15 |
ES414425A1 (es) | 1976-03-01 |
JPS4941276A (fr) | 1974-04-18 |
AT341675B (de) | 1978-02-27 |
FR2184901A1 (fr) | 1973-12-28 |
ZA732923B (en) | 1974-04-24 |
DE2223896A1 (de) | 1973-11-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |