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ES2094227T3 - Procedimiento para la preparacion de una suspension acuosa. - Google Patents

Procedimiento para la preparacion de una suspension acuosa.

Info

Publication number
ES2094227T3
ES2094227T3 ES91912370T ES91912370T ES2094227T3 ES 2094227 T3 ES2094227 T3 ES 2094227T3 ES 91912370 T ES91912370 T ES 91912370T ES 91912370 T ES91912370 T ES 91912370T ES 2094227 T3 ES2094227 T3 ES 2094227T3
Authority
ES
Spain
Prior art keywords
procedure
preparation
acid
water suspension
solution
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 - Lifetime
Application number
ES91912370T
Other languages
English (en)
Inventor
Hisayuki Nakayama
Kazumichi Ushio
Katsuhiro Inada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Senju Pharmaceutical Co Ltd
Original Assignee
Senju Pharmaceutical Co Ltd
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.)
Filing date
Publication date
Application filed by Senju Pharmaceutical Co Ltd filed Critical Senju Pharmaceutical Co Ltd
Application granted granted Critical
Publication of ES2094227T3 publication Critical patent/ES2094227T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0048—Eye, e.g. artificial tears
    • 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
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
    • A61K31/425—Thiazoles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P27/00—Drugs for disorders of the senses
    • A61P27/02—Ophthalmic agents

Landscapes

  • Health & Medical Sciences (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)
  • Epidemiology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Lasers (AREA)
  • Thiazole And Isothizaole Compounds (AREA)

Abstract

UN PROCESO PARA PREPARAR UNA SUSPENSION ACUOSA ESTABLE QUE CONTIENE MICROCRISTALES DE UNA 5 XIFENIL)TIAZOLIDINA EN PARTICULAR ENFERMEDADES CORNEALES, QUE COMPRENDE LA ADICION DE UN ACIDO A LA SOLUCION ACUOSA DE 5 NTILOXIFENIL)TIAZOLIDINA SELECCIONADO DE ENTRE EL ALCOHOL DE POLIVINILO, LA POLIVINILPIRROLIDONA, LA HIDROXIPROPILMETILCELULOSA, LA METILCELULOSA Y LA HIDROXIETILCELULOSA, TENIENDO DICHA SOLUCION UN PH DE, AL MENOS, 8 PARA REDUCIR EL PH POR DEBAJO DE 7.
ES91912370T 1991-03-27 1991-07-11 Procedimiento para la preparacion de una suspension acuosa. Expired - Lifetime ES2094227T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6290991 1991-03-27

Publications (1)

Publication Number Publication Date
ES2094227T3 true ES2094227T3 (es) 1997-01-16

Family

ID=13213855

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91912370T Expired - Lifetime ES2094227T3 (es) 1991-03-27 1991-07-11 Procedimiento para la preparacion de una suspension acuosa.

Country Status (14)

Country Link
US (1) US5366985A (es)
EP (1) EP0531529B1 (es)
KR (1) KR0181973B1 (es)
AT (1) ATE145328T1 (es)
AU (2) AU650889B2 (es)
CA (1) CA2083842A1 (es)
DE (1) DE69123248T2 (es)
DK (1) DK0531529T3 (es)
ES (1) ES2094227T3 (es)
FI (1) FI100694B (es)
NO (1) NO301215B1 (es)
RU (1) RU2098094C1 (es)
TW (1) TW207500B (es)
WO (1) WO1992017174A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1284030B1 (it) * 1996-06-18 1998-05-08 Solchem Italiana Spa Metodo per la produzione di sospensioni acquose stabili, utili nelle composizioni farmaceutiche
EP0995435B1 (en) 1997-05-14 2007-04-25 Senju Pharmaceutical Co., Ltd. Aqueous suspension preparations with excellent redispersibility
WO2000061109A1 (fr) * 1999-04-12 2000-10-19 Shionogi & Co., Ltd. Procede de production de composition medicamenteuse renfermant un compose medicamenteux hydrophobe basique
JP4860475B2 (ja) * 2003-06-13 2012-01-25 アルコン，インコーポレイテッド ２種のポリマーの相乗作用的組み合わせを含む眼科用組成物
US7947295B2 (en) 2003-06-13 2011-05-24 Alcon, Inc. Ophthalmic compositions containing a synergistic combination of two polymers
TWI363626B (en) * 2004-11-15 2012-05-11 Otsuka Pharma Co Ltd Aqueous ophthalmic suspension of crystalline rebamipide
WO2007058935A2 (en) * 2005-11-14 2007-05-24 Bausch & Lomb Incorporated Ophthalmic composition for dry eye therapy
TW200808375A (en) * 2006-05-12 2008-02-16 Otsuka Pharma Co Ltd Hydrogel suspension and manufacturing process thereof
TWI415629B (zh) * 2006-10-26 2013-11-21 Otsuka Pharma Co Ltd 含有瑞巴匹特之水性醫藥懸浮物及其製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU6610081A (en) * 1980-01-24 1981-07-30 Senju Pharmaceutical Co., Ltd. Thiazolidine derivatives
JPS6143114A (ja) * 1984-08-03 1986-03-01 Takeda Chem Ind Ltd 虹彩・毛様体疾患治療用眼局所投与剤
US5192535A (en) * 1988-02-08 1993-03-09 Insite Vision Incorporated Ophthalmic suspensions

Also Published As

Publication number Publication date
FI925353A0 (fi) 1992-11-25
AU6188894A (en) 1994-06-30
AU650889B2 (en) 1994-07-07
RU2098094C1 (ru) 1997-12-10
CA2083842A1 (en) 1992-09-28
FI100694B (fi) 1998-02-13
WO1992017174A1 (fr) 1992-10-15
AU661944B2 (en) 1995-08-10
EP0531529A4 (en) 1993-08-04
EP0531529B1 (en) 1996-11-20
DE69123248D1 (de) 1997-01-02
FI925353L (fi) 1992-11-25
NO924549D0 (no) 1992-11-25
KR930700097A (ko) 1993-03-13
EP0531529A1 (en) 1993-03-17
KR0181973B1 (ko) 1999-05-01
US5366985A (en) 1994-11-22
ATE145328T1 (de) 1996-12-15
DK0531529T3 (da) 1997-04-21
NO301215B1 (no) 1997-09-29
AU8104791A (en) 1992-11-02
DE69123248T2 (de) 1997-03-13
NO924549L (no) 1992-11-25
TW207500B (es) 1993-06-11

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