JPH10510243A - 粒子のコーティング方法 - Google Patents
粒子のコーティング方法Info
- Publication number
- JPH10510243A JPH10510243A JP8512328A JP51232896A JPH10510243A JP H10510243 A JPH10510243 A JP H10510243A JP 8512328 A JP8512328 A JP 8512328A JP 51232896 A JP51232896 A JP 51232896A JP H10510243 A JPH10510243 A JP H10510243A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- autoclave
- coating material
- scf
- 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.)
- Granted
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- 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
-
- 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
- A61K9/5089—Processes
-
- 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.]
- Y10T428/2991—Coated
-
- 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.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Public Health (AREA)
- Dispersion Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Preparation (AREA)
- Glanulating (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Fats And Perfumes (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.コーティング材料の層を含むコーティング内に捕捉された固体粒子を含む 微粒子であって: − コーティング材料の層は固体粒子上にコンフォメーショナルに分布 しており、単分子層の厚さから約100μmまでの範囲の厚さを有することと; − コーティングされた微粒子の粒径は、固体粒子が球形を有するとき 20nm〜100μmの範囲であることとを特徴とする上記微粒子。 2.前記コーティング材料の層の厚さは、単分子層の厚さから約40μmまで の厚さを有することを特徴とする、請求の範囲第1項に記載の微粒子。 3.前記固体粒子は球形ではないが規則的な形であるか、または不規則な形で あり、前記コーティング材料は固体粒子の内部の孔や裂け目を含む粒子の表面に 沿っていることを特徴とする、請求の範囲第1項に記載の微粒子。 4.前記固体粒子の粒径は1nm〜約1cm、好ましくは20nm〜100μmの範 囲である、請求の範囲第1項に記載の微粒子。 5.前記コーティングは、同一もしくは異なるコーティング材料の複数の層を 含んでなることを特徴とする、請求の範囲第1項〜4項までのいずれか1項に記 載の微粒子。 6.前記層の厚さは同じかまたは異なる、請求の範囲第5項に記載の微粒子。 7.前記コーティング材料は、脂肪材料、蝋、脂質および天然のまたは合成ポ リマーを含むことを特徴とする、請求の範囲第1項〜6項までのいずれか1項に 記載の微粒子。 8.均一または不均一な粒径分布を有する複数の微粒子を含む組成物であって 、単分子層の厚さから約100μmまでの範囲の厚さを有するコーティング材料 の層内にコンフォメーショナルに捕捉された固体粒子を含み、かつ固体粒子が球 形のとき、コーティングされた微粒子は20nm〜100nmの範囲の直径を有する 組成物。 9.活性物質をコーティング材料内に捕捉する方法であって、 − 好ましくは固体状態であるかまたは固体基質に吸収されている活性 物質を、実質的に膨潤を起こさないか、または活性物質が固体状態の場合は活性 物質に溶解作用を及ばさない条件下で、コーティング材料をその中に溶解して含 有する超臨界流体中に懸濁しすることと; − 制御された条件下で超臨界流体の温度および/または圧力を徐々に 低下させて、超臨界流体中のコーティング材料の溶解度を低下させ、コーティン グ材料を活性物質上に沈積させることとを具備したことを特徴とする方法。 10.前記活性物質は、固体粒子の形であるかまたは多孔性固体基質に吸収さ れた液体中に溶解されており、該粒子または多孔性固体基質粒子は、コーティン グ材料を溶解して含有する超臨界流体に接触させる間、絶えず撹拌されることを 特徴とする、請求の範囲第9項に記載の方法。 11.前記活性物質が固体粒子であるとき、コーティング材料が固体粒子に沈 積される条件は、超臨界流体中の該固体粒子の可溶化を回避することにより、該 方法に際して固体粒子の物理的完全性を維持するように選択されることを特徴と する、請求の範囲第9項または10項に記載の方法。 12.前記活性物質上に沈積されるコーティング材料が制御された方法で硬化 される工程を更に含むことを特徴とする、請求の範囲第9項〜11項までのいず れか1項に記載の方法。 13.前記活性物質とコーティング材料は、オートクレーブに入れられ、次に 超臨界流体中にコーティング材料を溶解するのに必要な温度と圧力条件下で、超 臨界流体をオートクレーブに充填することを特徴とする、請求の範囲第9項〜1 2までのいずれか1項に記載の方法。 14.前記活性物質は、オートクレーブに入れられ、次にコーティング材料を 溶解して含有する超臨界流体をオートクレーブに充填することを特徴とする、請 求の範囲第9項〜12までのいずれか1項に記載の方法。 15.超臨界流体に溶解したコーティング材料を活性物質に沈積するための装 置であって、 − 超臨界条件下で気体を収容して維持することができる貯蔵/反応室 と; − 貯蔵/反応室と液体でつながっている圧力反応室(この反応室は、 溶解したコーティング材料を含有する超臨界流体が反応室内に導入されたとき、 活性物質を攪拌する攪拌手段を含む)とを具備したことを特徴とする装置。 16.前記コーティング材料を超臨界流体に溶解するための超臨界気体冷却器 に流体的につながっている貯蔵手段をさらに含むことを特徴とする、請求の範囲 第15に記載の装置。 17.前記圧力反応室中の温度および圧力を制御する手段を更に含んでなる、 請求の範囲第15項または16項に記載の装置。 18.攪前記拌手段は磁気伝達式攪拌子含んでなる、請求の範囲第15項に記 載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94402251A EP0706821A1 (en) | 1994-10-06 | 1994-10-06 | Method of coating particles |
AT94402251.6 | 1994-10-06 | ||
PCT/EP1995/003953 WO1996011055A1 (en) | 1994-10-06 | 1995-10-06 | Method of coating particles |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10510243A true JPH10510243A (ja) | 1998-10-06 |
JP4122053B2 JP4122053B2 (ja) | 2008-07-23 |
Family
ID=8218046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51232896A Expired - Fee Related JP4122053B2 (ja) | 1994-10-06 | 1995-10-06 | 粒子のコーティング方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6087003A (ja) |
EP (2) | EP0706821A1 (ja) |
JP (1) | JP4122053B2 (ja) |
AT (1) | ATE176764T1 (ja) |
CA (1) | CA2201864C (ja) |
DE (1) | DE69507891T2 (ja) |
DK (1) | DK0784506T3 (ja) |
ES (1) | ES2130666T3 (ja) |
GR (1) | GR3030282T3 (ja) |
WO (1) | WO1996011055A1 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0855906B1 (en) | 1995-10-17 | 2008-02-20 | Jagotec AG | Insoluble drug delivery |
FR2753639B1 (fr) | 1996-09-25 | 1998-12-11 | Procede de preparation de microcapsules de matieres actives enrobees par un polymere et nouvelles microcapsules notamment obtenues selon le procede | |
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US6299937B1 (en) * | 1996-10-28 | 2001-10-09 | Douglas S. Richart | Methods and means for modifying the surfaces of polymeric solids |
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JP2008311277A (ja) * | 2007-06-12 | 2008-12-25 | Elpida Memory Inc | 成膜処理装置および成膜処理方法 |
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GB0812742D0 (en) * | 2008-07-11 | 2008-08-20 | Critical Pharmaceuticals Ltd | Process |
FR2943544B1 (fr) | 2009-03-31 | 2012-04-20 | Univ Angers | Procede de preparation de capsules lipidiques fonctionnalisees. |
US20100291221A1 (en) * | 2009-05-15 | 2010-11-18 | Robert Owen Cook | Method of administering dose-sparing amounts of formoterol fumarate-budesonide combination particles by inhalation |
DE102018210030A1 (de) | 2018-06-20 | 2019-12-24 | Thyssenkrupp Ag | Verwendung und Recyclieren von überkritischen CO2 als Lösungsmittel für PLA und weitere biologisch abbaubaren Polymere in das Beschichtungsverfahren für Düngemittel |
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Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2171934B1 (ja) * | 1972-02-16 | 1974-09-13 | Rhone Poulenc Sa | |
DE3203849A1 (de) * | 1982-02-02 | 1983-08-11 | Schering Ag, 1000 Berlin Und 4619 Bergkamen | Duengemittel mit gesteuertem beginn der naehrstoffabgabe |
DE3321053A1 (de) * | 1983-06-08 | 1984-12-13 | Schering AG, 1000 Berlin und 4709 Bergkamen | Duengemittel mit langzeitwirkung und programmierter naehrstoffabgabe |
US4598006A (en) * | 1985-05-02 | 1986-07-01 | Hercules Incorporated | Method for impregnating a thermoplastic polymer |
US5770459A (en) * | 1986-04-30 | 1998-06-23 | Igen International, Inc. | Methods and apparatus for improved luminescence assays using particle concentration, electrochemical generation of chemiluminescence detection |
WO1992011083A1 (en) * | 1987-09-28 | 1992-07-09 | Redding Bruce K Jr | Apparatus and method for making microcapsules |
DE3744329A1 (de) * | 1987-12-28 | 1989-07-06 | Schwarz Pharma Gmbh | Verfahren zur herstellung einer mindestens einen wirkstoff und einen traeger umfassenden zubereitung |
US5069972A (en) * | 1988-09-12 | 1991-12-03 | Versic Ronald J | Moldable microcapsule that contains a high percentage of solid core material, and method of manufacture thereof |
ATE154241T1 (de) * | 1991-10-01 | 1997-06-15 | Takeda Chemical Industries Ltd | Mikropartikeln-zusammenfassung zur verlängerten freigabe und herstellung derselbe |
AU4198793A (en) * | 1992-07-24 | 1994-01-27 | Takeda Chemical Industries Ltd. | Microparticle preparation and production thereof |
US5753261A (en) * | 1993-02-12 | 1998-05-19 | Access Pharmaceuticals, Inc. | Lipid-coated condensed-phase microparticle composition |
DE59406065D1 (de) * | 1993-03-24 | 1998-07-02 | Ciba Geigy Ag | Verfahren zur Herstellung einer Liposomendispersion im Hochdruckbereich |
US5766637A (en) * | 1996-10-08 | 1998-06-16 | University Of Delaware | Microencapsulation process using supercritical fluids |
-
1994
- 1994-10-06 EP EP94402251A patent/EP0706821A1/en not_active Withdrawn
-
1995
- 1995-10-06 CA CA002201864A patent/CA2201864C/en not_active Expired - Lifetime
- 1995-10-06 WO PCT/EP1995/003953 patent/WO1996011055A1/en active IP Right Grant
- 1995-10-06 JP JP51232896A patent/JP4122053B2/ja not_active Expired - Fee Related
- 1995-10-06 AT AT95935914T patent/ATE176764T1/de active
- 1995-10-06 DE DE69507891T patent/DE69507891T2/de not_active Expired - Lifetime
- 1995-10-06 EP EP95935914A patent/EP0784506B1/en not_active Expired - Lifetime
- 1995-10-06 US US08/817,305 patent/US6087003A/en not_active Expired - Lifetime
- 1995-10-06 ES ES95935914T patent/ES2130666T3/es not_active Expired - Lifetime
- 1995-10-06 DK DK95935914T patent/DK0784506T3/da active
-
1999
- 1999-05-13 GR GR990401308T patent/GR3030282T3/el unknown
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003506479A (ja) * | 1999-08-11 | 2003-02-18 | メーヌラブ | 肺への投与用の微粒子 |
WO2005123846A1 (ja) * | 2004-06-22 | 2005-12-29 | Canon Kabushiki Kaisha | 分散性色材とその製造方法、該分散性色材を用いた水性インク、インクタンク、インクジェット記録装置、インクジェット記録方法、及びインクジェット記録画像 |
WO2006001521A1 (ja) * | 2004-06-25 | 2006-01-05 | Canon Kabushiki Kaisha | 分散性色材とその製造方法、それを用いた水性インク、インクタンク、インクジェット記録装置、インクジェット記録方法、及びインクジェット記録画像 |
US7297202B2 (en) | 2004-06-25 | 2007-11-20 | Canon Kabushiki Kaisha | Dispersible colorant, method of producing same, aqueous ink using same, ink tank, ink jet recording apparatus, ink jet recording method, and ink jet recorded image |
JPWO2006057374A1 (ja) * | 2004-11-29 | 2008-06-05 | 独立行政法人科学技術振興機構 | 複合微粒子の製造方法 |
JP2011506262A (ja) * | 2007-12-19 | 2011-03-03 | エスエヌペーウー マテリオー エネルジェティク | 爆発エネルギー材の複数の結晶にコーティングを施すことにより感度を抑制する方法、このような物質のコーティングが施された結晶、及びエネルギー材 |
JP2015047520A (ja) * | 2013-08-30 | 2015-03-16 | 国立大学法人 熊本大学 | コア・シェル複合粒子の製造方法 |
US11065593B2 (en) | 2015-09-03 | 2021-07-20 | Tagra Biotechnologies Ltd. | Microcapsules encapsulating a reflective agent |
Also Published As
Publication number | Publication date |
---|---|
DE69507891T2 (de) | 1999-10-14 |
CA2201864A1 (en) | 1996-04-18 |
EP0706821A1 (en) | 1996-04-17 |
JP4122053B2 (ja) | 2008-07-23 |
ATE176764T1 (de) | 1999-03-15 |
GR3030282T3 (en) | 1999-09-30 |
CA2201864C (en) | 2004-03-23 |
DK0784506T3 (da) | 1999-09-20 |
US6087003A (en) | 2000-07-11 |
EP0784506A1 (en) | 1997-07-23 |
EP0784506B1 (en) | 1999-02-17 |
WO1996011055A1 (en) | 1996-04-18 |
DE69507891D1 (de) | 1999-03-25 |
ES2130666T3 (es) | 1999-07-01 |
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