WO1997030783A1 - Procede et dispositif pour produire des emulsions - Google Patents
Procede et dispositif pour produire des emulsions Download PDFInfo
- Publication number
- WO1997030783A1 WO1997030783A1 PCT/JP1996/003492 JP9603492W WO9730783A1 WO 1997030783 A1 WO1997030783 A1 WO 1997030783A1 JP 9603492 W JP9603492 W JP 9603492W WO 9730783 A1 WO9730783 A1 WO 9730783A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- emulsion
- dispersed phase
- substrate
- phase
- continuous phase
- Prior art date
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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/305—Injector mixers the additional component being axially fed and radially discharged through a circumferential outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F2025/91—Direction of flow or arrangement of feed and discharge openings
- B01F2025/912—Radial flow
- B01F2025/9121—Radial flow from the center to the circumference, i.e. centrifugal flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/41—Emulsifying
- B01F23/414—Emulsifying characterised by the internal structure of the emulsion
- B01F23/4143—Microemulsions
Definitions
- the present invention relates to a method for producing an emulsion used in the food industry, pharmaceuticals, cosmetics, and the like, and an apparatus for performing the method. Background technology
- a technique in which a two-phase system in which a thermodynamically separated state such as an aqueous phase and an organic phase is in a stable state is metastable by emulsification.
- a common emulsification method includes a method using a mixer, a colloid mill, a homogenizer, and a method of dispersing by sound waves. I have.
- the above-mentioned general method has a disadvantage that the width of the particle size distribution of the dispersed phase particles in the continuous phase is large.
- the laminar flow dripping method has a grain size of 100 // // m or more, the distribution is wide, and a uniform emulsion force cannot be obtained. Disclosure of the invention
- the present invention has been made to solve the above-mentioned problems of the conventional technology, and an object of the present invention is to provide a method and an apparatus for efficiently producing a homogeneous emulsion in which the particle size distribution is not widened. To provide.
- the method for producing an emulsion according to the present invention is directed to forcibly sending a pressurized dispersed phase into a continuous phase through a large number of microchannels having a fixed width formed on a substrate or the like. did.
- the apparatus for producing an emulsion according to the present invention further includes a substrate having a dispersed phase supply port formed therein, and forming a gap through which the dispersed phase is supplied between the substrate and a plate disposed to face the substrate.
- a boundary between the dispersed phase and the continuous phase is formed on the surface of the substrate facing the plate, and a large number of microchannels having a constant width are formed at the boundary, and the dispersed phase and the continuous phase are formed through the microchannels. And contact.
- the plate facing the substrate may be a transparent plate.
- the channel movement of the dispersed phase and the contact state with the continuous phase can be directly observed optically, and the production of the emulsion can be controlled.
- an emulsion can be efficiently produced.
- a multiplicity of microchannels having an arbitrary shape and a constant width can be formed on a substrate by applying an etching process which is one of the manufacturing processes of a semiconductor integrated circuit.
- FIG. 1 is an overall system diagram incorporating the emulsion manufacturing apparatus according to the present invention
- Fig. 2 is a longitudinal sectional view of the emulsion manufacturing apparatus
- FIG. 3 is an exploded perspective view of a main part of the emulsion manufacturing apparatus.
- FIG. 4 is a bottom view of a substrate constituting the emulsion manufacturing apparatus
- FIG. 5 is a top view of a substrate constituting the emulsion manufacturing apparatus
- Figure 6 is an enlarged perspective view of the boundary formed on the substrate
- Figure 7 shows the microchannel
- FIG. 8 is a cross-sectional view showing another embodiment of the emulsion production apparatus.
- FIGS. 9 (a) to 9 (d) show a fine pattern formed on the substrate of the specific example 1, and (e) shows a colloid of the example 1.
- Figure 10 shows the colloid of Example 2
- FIG. 11 is a graph showing the relationship between the average pore size of the membrane and the grain size distribution of the emulsion when the conventional apparatus is used.
- 1 is an emulsion manufacturing apparatus
- 2 is a dispersed phase tank
- 5 is a continuous phase tank
- 9 is an emulsion tank
- 11 is an emulsion manufacturing apparatus main body
- 12 is a continuous phase (W) supply port
- 14 is a dispersion tank.
- Phase (0) supply port 15 is the emulsion (E) outlet
- 16 is the plate
- 17 is the partition wall member
- 18 is the substrate
- 19 is the dispersed phase (0) supply port
- 20 is the gap
- 21 is the boundary
- 22 is a ridge
- 23 is a protrusion
- 24 is a microchannel
- 25 is an optical reader
- 0 is a dispersed phase
- W is a continuous phase
- E is an emulsion.
- FIG. 1 is an overall view of a system incorporating an emulsion manufacturing apparatus according to the present invention.
- the dispersed phase (0) is supplied to the emulsion manufacturing apparatus 1 from a dispersed phase tank 2 via a pump 3 and a pipe 4.
- the continuous phase (W) is supplied to the manufacturing apparatus 1 from the continuous phase tank 5 via the pump 6 and the pipe 7.
- the emulsion (E) produced by the emulsion production apparatus 1 is stored in an emulsion tank 9 via a pipe 8.
- the pump 6 is shown as an example of the pressurizing means, but other pressurizing means such as a water level difference can be used.
- FIG. 2 is a longitudinal sectional view of the emulsion manufacturing apparatus
- FIG. 3 is an exploded perspective view of a main part of the emulsion manufacturing apparatus
- FIG. 4 is a bottom view of a substrate constituting the emulsion manufacturing apparatus
- FIG. 6 is an enlarged perspective view of a boundary formed on the substrate
- FIG. 7 is a view showing a microchannel.
- a supply port 12 for a continuous phase (W) to which the pipe 7 is connected is formed on a side wall of the main body 11, and an upper opening of the main body 11 is closed with a lid 13.
- a supply port 14 for the dispersed phase (0) to which the pipe 4 is connected is formed at the center of the lid 13, and an emulsion (E) connected to the pipe 8 at a position off the center of the lid 13. ) Outlet 15 is formed.
- the lower opening of the main body 11 is closed by a plate 16, and a substrate 18 is arranged in the main body 11 between the lid 13 and a partition member 17 such as an O-ring. I have.
- This partition member 17 separates the supply port 14 of the dispersed phase (0) from the outlet 15 of the emulsion (E).
- a supply port 19 for the dispersed phase (0) is formed in the center of the substrate 18, and a gap 20 is formed between the substrate 18 and the plate 16 disposed opposite to the substrate 18.
- a boundary portion 21 between the dispersed phase (0) and the continuous phase (W) is formed on the surface of the substrate 18 facing the plate 16.
- a ridge 22 is formed around the substrate so as to surround the supply port 19 of the dispersed phase (0) in a rectangular shape, and the ridges 23 are placed on the ridge 22 at regular intervals. And a microchannel 24 is formed between the projections 23 and 23.
- a cut or dry etching is performed.
- the dispersed phase (0) supplied to the inside of the partition member 17 through the supply port 14 enters the gap 20 with the plate 16 through the supply port 19 of the substrate 18 and
- the dispersed phase (0) entering the gap 20 passes through the boundary 21 and enters the continuous phase (W) by the pressure of a pressurizing means such as a pump.
- the microchannels 24 form particles of a certain size, and an emulsion (E) in which a dispersed phase (0) having a constant diameter is dispersed in the continuous phase (W) is formed.
- the plate 16 can be a transparent plate such as a glass plate.
- the configuration of the emulsion manufacturing apparatus 1 is not limited to the above.
- a supply port 14 for the dispersed phase (0) is formed at one end of the lid 13 from one side of the main body 11, and an emulsion (E) is formed at a substantially central portion of the lid 13.
- a structure in which the outlet 15 is formed may be used.
- the pressurized dispersed phase is forcibly fed into the continuous phase through a large number of microchannels having a constant width formed on the substrate or the like. Therefore, even when the size of the dispersed particles is small, the particle size distribution is not widened even when the size of the dispersed particles is large, so that a homogeneous emulsion can be obtained.
- the substrate is provided with the supply port of the dispersed phase, and the dispersed phase is supplied between the substrate and the plate arranged opposite to the substrate.
- a gap is formed, and a boundary between the dispersed phase and the continuous phase is formed on the surface of the substrate facing the plate, and a large number of microchannels having a constant width are formed at the boundary, and this microchannel is interposed. Since the dispersed phase and the continuous phase are brought into contact with each other, the grain size distribution is not widened, and a homogeneous emulsion can be efficiently produced.
- the plate facing the substrate a transparent plate, it is possible to directly observe the channel movement of the dispersed phase and the state of contact with the continuous phase optically, enabling control of emulsion production.
- an emulsion can be produced more efficiently.
- a microchannel having an arbitrary shape can be accurately formed with a constant width.
- the emulsion production method and emulsion production apparatus according to the present invention can contribute to the production of emulsions used in the food industry, pharmaceuticals, cosmetics production, and the like.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Colloid Chemistry (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP96939323A EP0963787B1 (en) | 1996-02-20 | 1996-11-28 | Device for producing emulsions |
DE69634344T DE69634344T2 (de) | 1996-02-20 | 1996-11-28 | Vorrichtung zur herstellung von emulsionen |
AU76396/96A AU7639696A (en) | 1996-02-20 | 1996-11-28 | Method and device for producing emulsions |
US09/125,403 US6155710A (en) | 1996-02-20 | 1996-11-28 | Method and device for producing emulsions |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8/31882 | 1996-02-20 | ||
JP8031882A JP2975943B2 (ja) | 1996-02-20 | 1996-02-20 | エマルションの製造方法及びエマルションの製造装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997030783A1 true WO1997030783A1 (fr) | 1997-08-28 |
Family
ID=12343413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1996/003492 WO1997030783A1 (fr) | 1996-02-20 | 1996-11-28 | Procede et dispositif pour produire des emulsions |
Country Status (6)
Country | Link |
---|---|
US (1) | US6155710A (ja) |
EP (1) | EP0963787B1 (ja) |
JP (1) | JP2975943B2 (ja) |
AU (1) | AU7639696A (ja) |
DE (1) | DE69634344T2 (ja) |
WO (1) | WO1997030783A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2776535A1 (fr) * | 1998-03-30 | 1999-10-01 | Nat Food Res | Procede de fabrication en continu de microspheres et appareil utilisant ce procede |
FR2780660A1 (fr) * | 1998-07-02 | 2000-01-07 | Etat Japonais Represente Par L | Appareil a microcanaux du type a flux transversaux et procede pour produire ou separer des emulsions |
WO2000072955A1 (de) * | 1999-05-26 | 2000-12-07 | Schering Aktiengesellschaft | Verfahren zur herstellung von morphologisch einheitlichen mikro- und nanopartikeln mittels eines mikromischers |
US6281254B1 (en) | 1998-09-17 | 2001-08-28 | Japan As Represented By Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries | Microchannel apparatus and method of producing emulsions making use thereof |
EP1161221A1 (de) * | 1999-03-17 | 2001-12-12 | MERCK PATENT GmbH | Verfahren zur herstellung von kosmetischen oder pharmazeutischen formulierungen durch mikromischung unmittelbar vor der verwendung |
US6576023B2 (en) * | 2000-10-13 | 2003-06-10 | Japan As Represented By Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries | Method and apparatus for manufacturing microspheres |
US6817753B2 (en) * | 1999-03-17 | 2004-11-16 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Packaging system for cosmetic formulations |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3030364B1 (ja) | 1999-03-24 | 2000-04-10 | 農林水産省食品総合研究所長 | 単分散固体脂質マイクロスフィアの製造方法 |
JP2002282679A (ja) * | 2001-03-28 | 2002-10-02 | Fuji Photo Film Co Ltd | マイクロカプセルの製造方法および感熱記録材料 |
JP2002282678A (ja) * | 2001-03-28 | 2002-10-02 | Fuji Photo Film Co Ltd | マイクロカプセルの製造方法および感熱記録材料 |
US7718099B2 (en) | 2002-04-25 | 2010-05-18 | Tosoh Corporation | Fine channel device, fine particle producing method and solvent extraction method |
EP1382384B1 (en) * | 2002-07-15 | 2011-05-18 | Asahi Glass Company, Limited | Process for producing inorganic spheres |
US20060128815A1 (en) * | 2002-10-02 | 2006-06-15 | Clare Hugh J | Method for controlling droplet size of an emulsion when mixing two immiscible fluids |
US7118920B2 (en) | 2002-10-22 | 2006-10-10 | Battelle Memorial Institute | Multiphasic microchannel reactions |
JP4527384B2 (ja) * | 2002-12-06 | 2010-08-18 | 綜研化学株式会社 | マイクロチャンネルを用いた着色球状粒子の製造方法、およびその製造方法に用いるマイクロチャンネル式製造装置 |
JP3977272B2 (ja) * | 2003-03-25 | 2007-09-19 | 積水化成品工業株式会社 | 樹脂粒子の製造方法 |
US7485671B2 (en) * | 2003-05-16 | 2009-02-03 | Velocys, Inc. | Process for forming an emulsion using microchannel process technology |
DE602004009681T2 (de) * | 2003-05-16 | 2008-08-14 | Velocys, Inc., Plain City | Verfahren zur erzeugung einer emulsion durch verwendung einer mikrokanalverfahrentechnologie |
EP1498174B1 (en) * | 2003-06-18 | 2010-10-27 | Asahi Glass Company Ltd. | Process and apparatus for producing inorganic spheres |
JP5643474B2 (ja) * | 2004-10-01 | 2014-12-17 | ヴェロシス,インク. | マイクロチャネルプロセス技術を用いる多相混合プロセス |
US7968287B2 (en) | 2004-10-08 | 2011-06-28 | Medical Research Council Harvard University | In vitro evolution in microfluidic systems |
JP3723201B1 (ja) * | 2004-10-18 | 2005-12-07 | 独立行政法人食品総合研究所 | 貫通孔を有する金属製基板を用いたマイクロスフィアの製造方法 |
US9562837B2 (en) | 2006-05-11 | 2017-02-07 | Raindance Technologies, Inc. | Systems for handling microfludic droplets |
US20080014589A1 (en) | 2006-05-11 | 2008-01-17 | Link Darren R | Microfluidic devices and methods of use thereof |
CN101224402B (zh) | 2006-09-01 | 2012-06-27 | 东曹株式会社 | 微小流路结构及采用它的微小颗粒制造方法 |
US8772046B2 (en) | 2007-02-06 | 2014-07-08 | Brandeis University | Manipulation of fluids and reactions in microfluidic systems |
US8592221B2 (en) | 2007-04-19 | 2013-11-26 | Brandeis University | Manipulation of fluids, fluid components and reactions in microfluidic systems |
US12038438B2 (en) | 2008-07-18 | 2024-07-16 | Bio-Rad Laboratories, Inc. | Enzyme quantification |
WO2010009365A1 (en) | 2008-07-18 | 2010-01-21 | Raindance Technologies, Inc. | Droplet libraries |
EP3663750B1 (en) | 2009-05-29 | 2021-11-03 | Life Technologies Corporation | Scaffolded nucleic acid polymer particles and methods of making and using |
US9399797B2 (en) | 2010-02-12 | 2016-07-26 | Raindance Technologies, Inc. | Digital analyte analysis |
WO2011100604A2 (en) | 2010-02-12 | 2011-08-18 | Raindance Technologies, Inc. | Digital analyte analysis |
GB201009673D0 (en) * | 2010-06-10 | 2010-07-21 | Glaxosmithkline Biolog Sa | Novel process |
GB201009676D0 (en) | 2010-06-10 | 2010-07-21 | Glaxosmithkline Biolog Sa | Novel process |
US9364803B2 (en) | 2011-02-11 | 2016-06-14 | Raindance Technologies, Inc. | Methods for forming mixed droplets |
EP3736281A1 (en) | 2011-02-18 | 2020-11-11 | Bio-Rad Laboratories, Inc. | Compositions and methods for molecular labeling |
EP2714970B1 (en) | 2011-06-02 | 2017-04-19 | Raindance Technologies, Inc. | Enzyme quantification |
US8658430B2 (en) | 2011-07-20 | 2014-02-25 | Raindance Technologies, Inc. | Manipulating droplet size |
US11901041B2 (en) | 2013-10-04 | 2024-02-13 | Bio-Rad Laboratories, Inc. | Digital analysis of nucleic acid modification |
US9944977B2 (en) | 2013-12-12 | 2018-04-17 | Raindance Technologies, Inc. | Distinguishing rare variations in a nucleic acid sequence from a sample |
JP6351160B2 (ja) * | 2014-05-21 | 2018-07-04 | 株式会社荒井鉄工所 | スリットノズル混合方法及びその装置 |
JP6471481B2 (ja) | 2014-12-03 | 2019-02-20 | デクセリアルズ株式会社 | 光学活性β−アミノカルボニル化合物の製造方法 |
KR101833610B1 (ko) | 2016-03-22 | 2018-03-02 | 부산대학교 산학협력단 | 미세 입자 제조 장치 |
CN108587862B (zh) * | 2018-04-20 | 2022-02-22 | 杭州兴浩晖生物科技有限公司 | 样本液滴发生器 |
CN108587859B (zh) * | 2018-04-20 | 2022-03-29 | 杭州兴浩晖生物科技有限公司 | 样本液滴发生系统及方法 |
CN112844167B (zh) * | 2019-11-27 | 2023-04-18 | 株式会社海上 | 超声波均化器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54116389A (en) * | 1978-01-16 | 1979-09-10 | Exxon Research Engineering Co | Liquid layer producer |
JPS605223A (ja) * | 1983-06-07 | 1985-01-11 | ポ−ル・コ−ポレ−シヨン | 分散方法および装置 |
JPH05220382A (ja) * | 1991-06-29 | 1993-08-31 | Miyazaki Pref Gov | 単分散状シングルおよびダブルエマルション、ならびにそれらの製造方法 |
JPH0671150A (ja) * | 1992-07-15 | 1994-03-15 | Nomura Micro Sci Kk | フィルターユニットおよび懸濁脂質粒子の製造方法 |
JPH06315617A (ja) * | 1992-12-01 | 1994-11-15 | Miyazaki Pref Gov | 乳化方法及び乳化装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2504678A (en) * | 1947-10-13 | 1950-04-18 | Elizabeth Gardner | Milk and cream product emulsifier |
US3685805A (en) * | 1971-04-07 | 1972-08-22 | Patterson Kelley Co | Research blender |
WO1980002807A1 (en) * | 1979-06-15 | 1980-12-24 | Cleanodan As | Method and apparatus for the production of an emulsion of water in oil |
US4352573A (en) * | 1980-01-29 | 1982-10-05 | Gaulin Corporation | Homogenizing method |
US4664528A (en) * | 1985-10-18 | 1987-05-12 | Betz Laboratories, Inc. | Apparatus for mixing water and emulsion polymer |
US4755325A (en) * | 1986-09-08 | 1988-07-05 | Columbia Chase Corporation | Process for emulsifying oil and water mixture |
JPH082416B2 (ja) * | 1988-09-29 | 1996-01-17 | 宮崎県 | エマルションの製造方法 |
JPH03249931A (ja) * | 1989-11-16 | 1991-11-07 | Mitsubishi Kasei Corp | 水中油型均一液滴分散液の製造法及び均一粒径ポリマービーズの重合方法 |
WO1995030120A1 (en) * | 1994-04-28 | 1995-11-09 | Hendricks John B | Perforated plate filter media and related products |
-
1996
- 1996-02-20 JP JP8031882A patent/JP2975943B2/ja not_active Expired - Lifetime
- 1996-11-28 US US09/125,403 patent/US6155710A/en not_active Expired - Fee Related
- 1996-11-28 AU AU76396/96A patent/AU7639696A/en not_active Abandoned
- 1996-11-28 DE DE69634344T patent/DE69634344T2/de not_active Expired - Fee Related
- 1996-11-28 WO PCT/JP1996/003492 patent/WO1997030783A1/ja active IP Right Grant
- 1996-11-28 EP EP96939323A patent/EP0963787B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54116389A (en) * | 1978-01-16 | 1979-09-10 | Exxon Research Engineering Co | Liquid layer producer |
JPS605223A (ja) * | 1983-06-07 | 1985-01-11 | ポ−ル・コ−ポレ−シヨン | 分散方法および装置 |
JPH05220382A (ja) * | 1991-06-29 | 1993-08-31 | Miyazaki Pref Gov | 単分散状シングルおよびダブルエマルション、ならびにそれらの製造方法 |
JPH0671150A (ja) * | 1992-07-15 | 1994-03-15 | Nomura Micro Sci Kk | フィルターユニットおよび懸濁脂質粒子の製造方法 |
JPH06315617A (ja) * | 1992-12-01 | 1994-11-15 | Miyazaki Pref Gov | 乳化方法及び乳化装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP0963787A4 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2776535A1 (fr) * | 1998-03-30 | 1999-10-01 | Nat Food Res | Procede de fabrication en continu de microspheres et appareil utilisant ce procede |
US6177479B1 (en) | 1998-03-30 | 2001-01-23 | Japan As Represented By Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries | Continuous manufacturing method for microspheres and apparatus |
FR2780660A1 (fr) * | 1998-07-02 | 2000-01-07 | Etat Japonais Represente Par L | Appareil a microcanaux du type a flux transversaux et procede pour produire ou separer des emulsions |
US6281254B1 (en) | 1998-09-17 | 2001-08-28 | Japan As Represented By Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries | Microchannel apparatus and method of producing emulsions making use thereof |
EP1161221A1 (de) * | 1999-03-17 | 2001-12-12 | MERCK PATENT GmbH | Verfahren zur herstellung von kosmetischen oder pharmazeutischen formulierungen durch mikromischung unmittelbar vor der verwendung |
US6817753B2 (en) * | 1999-03-17 | 2004-11-16 | Merck Patent Gesellschaft Mit Beschraenkter Haftung | Packaging system for cosmetic formulations |
WO2000072955A1 (de) * | 1999-05-26 | 2000-12-07 | Schering Aktiengesellschaft | Verfahren zur herstellung von morphologisch einheitlichen mikro- und nanopartikeln mittels eines mikromischers |
US6576023B2 (en) * | 2000-10-13 | 2003-06-10 | Japan As Represented By Director Of National Food Research Institute, Ministry Of Agriculture, Forestry And Fisheries | Method and apparatus for manufacturing microspheres |
Also Published As
Publication number | Publication date |
---|---|
EP0963787B1 (en) | 2005-02-09 |
DE69634344T2 (de) | 2006-04-06 |
EP0963787A1 (en) | 1999-12-15 |
EP0963787A4 (en) | 2002-01-23 |
US6155710A (en) | 2000-12-05 |
JP2975943B2 (ja) | 1999-11-10 |
AU7639696A (en) | 1997-09-10 |
JPH09225291A (ja) | 1997-09-02 |
DE69634344D1 (de) | 2005-03-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO1997030783A1 (fr) | Procede et dispositif pour produire des emulsions | |
JP2981547B1 (ja) | クロスフロー型マイクロチャネル装置及び同装置を用いたエマルションの生成または分離方法 | |
JP3012608B1 (ja) | マイクロチャネル装置及び同装置を用いたエマルションの製造方法 | |
JP3081880B2 (ja) | マイクロスフィアの連続製造装置 | |
Kobayashi et al. | Straight-through microchannel devices for generating monodisperse emulsion droplets several microns in size | |
JP3511238B2 (ja) | マイクロスフィアの製造方法および製造装置 | |
Vladisavljević et al. | Effect of dispersed phase viscosity on maximum droplet generation frequency in microchannel emulsification using asymmetric straight-through channels | |
US7632388B2 (en) | Liquid actuator | |
US4201691A (en) | Liquid membrane generator | |
Kobayashi et al. | Silicon array of elongated through‐holes for monodisperse emulsion droplets | |
DE19917148C2 (de) | Verfahren und Mikrovermischer zur Herstellung einer Dispersion | |
Kawakatsu et al. | Production of monodispersed oil-in-water emulsion using crossflow-type silicon microchannel plate | |
US4871489A (en) | Spherical particles having narrow size distribution made by ultrasonic vibration | |
US6321998B1 (en) | Method of producing dispersions and carrying out of chemical reactions in the disperse phase | |
van Dijke et al. | Simultaneous formation of many droplets in a single microfluidic droplet formation unit | |
Tong et al. | Production of oil-in-water microspheres using a stainless steel microchannel | |
Kobayashi et al. | Production of monodisperse water-in-oil emulsions consisting of highly uniform droplets using asymmetric straight-through microchannel arrays | |
Sugiura et al. | Prediction of droplet diameter for microchannel emulsification: prediction model for complicated microchannel geometries | |
EP0269215B1 (en) | Spherical particles having narrow distribution made by ultrasonic vibration | |
JP2006239594A (ja) | 乳化装置、連続乳化装置、及び乳化方法 | |
JP2003024753A (ja) | マイクロ抽出器 | |
DE10307568B4 (de) | Verfahren zum Herstellen einer Membran mit Membranlöchern und nach diesem Verfahren hergestellte Mikro-/Nanomembran | |
US20240278230A1 (en) | Microfluidic chip, droplet generation device and method for controlling droplet generation size | |
Kobayashi et al. | Breakup of oil-in-water emulsion droplets in microchannel array devices at low applied pressures | |
Maan | Emulsification with microstructured devices |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AU CA NO US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 09125403 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1996939323 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1996939323 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1996939323 Country of ref document: EP |