EP1991346B1 - Mixing drier having a spherical mixing vessel - Google Patents

Mixing drier having a spherical mixing vessel Download PDF

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Publication number
EP1991346B1
EP1991346B1 EP07711738A EP07711738A EP1991346B1 EP 1991346 B1 EP1991346 B1 EP 1991346B1 EP 07711738 A EP07711738 A EP 07711738A EP 07711738 A EP07711738 A EP 07711738A EP 1991346 B1 EP1991346 B1 EP 1991346B1
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EP
European Patent Office
Prior art keywords
mixing
vessel
mixing drier
vessel shell
drier according
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Application number
EP07711738A
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German (de)
French (fr)
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EP1991346A1 (en
Inventor
Hans Stalder
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Mavag AG
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Mavag AG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/12—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices
    • F26B11/14—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in stationary drums or other mainly-closed receptacles with moving stirring devices the stirring device moving in a horizontal or slightly-inclined plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1123—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades sickle-shaped, i.e. curved in at least one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/61—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis about an inclined axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/45—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor
    • B01F35/451—Closures or doors specially adapted for mixing receptacles; Operating mechanisms therefor by rotating them about an axis parallel to the plane of the opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F35/95—Heating or cooling systems using heated or cooled stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating

Definitions

  • the present invention relates to a mixing dryer according to the preamble of claim 1.
  • Such mixers are used in the manufacture of pharmaceutical or chemical products, such as pharmaceuticals or foods.
  • Mixing dryers are well known to the skilled person and, for example, in the EP-1'118'381 described.
  • These devices have a container, which has the shape of a body of revolution and consists of two detachable half-shells, which have a substantially horizontal plane of separation.
  • the upper half-shell protrudes through the ceiling of the production room in order to arrange the motor units for the agitator or the chopper above the production room and to be able to separate from this spatially.
  • the removal of the processed filling material is made possible via a good outlet in the lower half-shell.
  • the shaft of the agitator is inclined relative to the vertical by about 20 °.
  • a mixing dryer in the form of a ball mixer with the features of claim 1 and in particular by a mixing dryer in which the agitator axis is inclined to the vertical and in which the parting plane between the two Container shells is arranged perpendicular to the agitator axis and wherein the stirring members do not project beyond the lower container shell.
  • the agitator axis is inclined by 14 ° -18 °, in particular 16 ° to the vertical and the two container shells with the aid of a hinge joint against each other. It proves to be particularly advantageous that the hinge joint is arranged in or above the parting plane and below the equatorial plane.
  • the mixing elements are provided with delivery channels in which a hot fluid, e.g. Water vapor, can circulate to heat the same.
  • the inclined arrangement of the agitator leads to a better mixing and on the other hand allows the complete exposure of the upper container shell when opening the container proper cleaning of the same.
  • the inclination of the agitator axis allows entrainment of contents, which lies above the equatorial plane of the container, which leads to a better mixing of the contents.
  • the perpendicular to the agitator axis dividing plane and the correspondingly dimensioned stirring elements allows the complete exposure of the upper container shell when opening.
  • the in Fig. 1 shown mixing dryer in the form of a ball dryer 1 has essentially two container shells 2, 3.
  • the upper container shell 2 protrudes in the embodiment shown by a bottom 4, which separates a machine room 5 from a production room 6 in order to completely remove any contamination in the machine room 5 from the production room 6.
  • a stirrer 7 At the engine room side area of the upper container shell 2 are a stirrer 7, an inlet nozzle 8 and device adapter 9, 10 attached.
  • the agitator 7 projects with its agitator shaft 11 and its stirring elements 12, 12 ', 12 "into the lower container shell 3.
  • An outlet valve 13 is arranged in the lowest area of the lower container shell 3. According to the invention, the two container shells 2, 3 can be closed in a parting plane T.
  • this separation plane T being substantially perpendicular to the agitator axis R, ie inclined to the horizontal equator plane H.
  • This separation plane T can also be seen as the boundary surface of the envelope for the movements of the stirring elements 12, 12 ', 12 ".
  • the hinge joint 14 can be arranged in this parting plane T, because thus the contour of the agitator 12, 12 ', 12 "of the inner contour of the container B can follow more precisely, ie with the least tolerance. in that a locking device 15 is arranged on the side opposite the hinge joint 14.
  • the agitator shaft 11 and the stirring elements 12, 12 ', 12 " are provided with channels which allow a hot fluid 16 to circulate in these organs 12, 12 ', 12 ", the lower container shell 3 respectively. do not project beyond the dividing plane T, to ensure that upon opening of the container B, these stirring members 12, 12 ', 12 "completely release the inner surface of the upper container shell 2.
  • the containers of these ball dryers have a volume of 400 to 4,000 liters.
  • it produces granules or powdery substances for the pharmaceutical or food industry, i. high demands are placed on the purity of the container.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A mixing drier in the form of a spherical mixer comprises an upper vessel shell and a lower vessel shell which can be closed together in a separation plane. A stirrer having a stirrer shaft and stirring elements is affixed to the upper vessel shell. The stirrer axis is inclined to the vertical. The separation plane is perpendicular to the stirrer axis. The stirring elements are located below the separation plane. A hinge is located in the separation plane and allows the vessel of the spherical mixer to be opened for cleaning.

Description

Die vorliegende Erfindung betrifft einen Mischtrockner gemäss Oberbegriff des Anspruchs 1.The present invention relates to a mixing dryer according to the preamble of claim 1.

Derartige Mischtrockner finden ihre Verwendung bei der Herstellung von pharmazeutischen oder chemischen Produkten, wie Arzneimittel oder Nahrungsmittel. Mischtrockner sind dem Fachmann hinlänglich bekannt und beispielsweise in der EP-1'118'381 beschrieben. Diese Vorrichtungen weisen einen Behälter auf, welcher die Form eines Rotationskörpers hat und aus zwei voneinander lösbaren Halbschalen besteht, welche eine im Wesentlichen horizontal liegende Trennebene aufweisen. Die obere Halbschale ragt durch die Decke des Produktionsraumes, um die motorischen Einheiten für das Rührwerk oder den Zerhacker oberhalb des Produktionsraumes anordnen und von diesem räumlich trennen zu können. Die Entnahme des bearbeiteten Füllgutes wird über einen Gut-Auslass in der unteren Halbschale ermöglicht. Für die Reinigung der unteren Halbschale kann diese über ein Gelenk nach unten verschwenkt werden oder mit Hilfe einer Hub- und Senkvorrichtung vertikal nach unten verschoben und horizontal verschwenkt werden. Um den Gut-Auslass am tiefsten Punkt des Behälters anordnen zu können, ist die Welle des Rührwerks gegenüber der Vertikalen um ca. 20° geneigt.Such mixers are used in the manufacture of pharmaceutical or chemical products, such as pharmaceuticals or foods. Mixing dryers are well known to the skilled person and, for example, in the EP-1'118'381 described. These devices have a container, which has the shape of a body of revolution and consists of two detachable half-shells, which have a substantially horizontal plane of separation. The upper half-shell protrudes through the ceiling of the production room in order to arrange the motor units for the agitator or the chopper above the production room and to be able to separate from this spatially. The removal of the processed filling material is made possible via a good outlet in the lower half-shell. For the cleaning of the lower half-shell it can be pivoted downwards via a joint or moved vertically downwards by means of a lifting and lowering device and pivoted horizontally. In order to arrange the good outlet at the lowest point of the container, the shaft of the agitator is inclined relative to the vertical by about 20 °.

Leider erweist sich bei dieser Anordnung das Reinigen der oberen Halbschale als aufwendig resp. kann diese nicht an allen Stellen sorgfältig gereinigt werden, weil beim Öffnen des Behälters immer das eine oder andere Rührorgan des Rührwerks in die obere Halbschale ragt.Unfortunately, in this arrangement, the cleaning of the upper half-shell proves to be expensive resp. This can not be thoroughly cleaned at all points, because when opening the container always one or the other agitator of the agitator protrudes into the upper half-shell.

Es ist deshalb Aufgabe der vorliegenden Erfindung, einen Mischtrockner zu schaffen, bei welchem der Gut-Auslass im untersten Bereich des Behälters angeordnet ist und bei welchem eine vollständige Reinigung der Innenseiten in einfacher Weise möglich ist.It is therefore an object of the present invention to provide a mixing dryer, wherein the good outlet is located in the lowermost region of the container and in which a complete cleaning of the insides is possible in a simple manner.

Diese Aufgabe wird erfindungsgemäss durch einen Mischtrockner in Form eines Kugelmischers mit den Merkmalen des Anspruchs 1 gelöst und insbesondere durch einen Mischtrockner, bei welchem die Rührwerkachse zur Vertikalen geneigt ist und bei welchem die Trennebene zwischen den beiden Behälterschalen senkrecht zur Rührwerkachse angeordnet ist und wobei die Rührorgane die untere Behälterschale nicht überragen.This object is achieved according to the invention by a mixing dryer in the form of a ball mixer with the features of claim 1 and in particular by a mixing dryer in which the agitator axis is inclined to the vertical and in which the parting plane between the two Container shells is arranged perpendicular to the agitator axis and wherein the stirring members do not project beyond the lower container shell.

Weitere bevorzugte Ausführungsformen weisen die Merkmale der abhängigen Ansprüche auf.Further preferred embodiments have the features of the dependent claims.

Vorteilhafterweise ist die Rührwerkachse um 14°-18°, insbesondere 16° zur Vertikalen geneigt und sind die beiden Behälterschalen mit Hilfe eines Scharniergelenks gegeneinander verschwenkbar. Dabei erweist es sich als besonders vorteilhaft, dass das Scharniergelenk in oder oberhalb der Trennebene und unterhalb der Äquatorebene angeordnet ist. Darüber hinaus sind die Mischorgane in einer bevorzugten Ausführungsform mit Förderkanälen versehen, in welchen ein heisses Fluid, z.B. Wasserdampf, zirkulieren kann, um dieselben beheizen zu können.Advantageously, the agitator axis is inclined by 14 ° -18 °, in particular 16 ° to the vertical and the two container shells with the aid of a hinge joint against each other. It proves to be particularly advantageous that the hinge joint is arranged in or above the parting plane and below the equatorial plane. Moreover, in a preferred embodiment, the mixing elements are provided with delivery channels in which a hot fluid, e.g. Water vapor, can circulate to heat the same.

Die Vorteile des erfindungsgemässen Mischtrockners sind dem Fachmann unmittelbar ersichtlich. Einerseits führt die geneigte Anordnung des Rührwerks zu einer besseren Durchmischung und andererseits erlaubt die vollständige Freilegung der oberen Behälterschale beim Öffnen des Behälters eine einwandfreie Reinigung derselben. Insbesondere ermöglicht die Neigung der Rührwerkachse eine Mitnahme von Füllgut, welches oberhalb der Äquatorebene des Behälters liegt, was zu einer besseren Durchmischung des Füllgutes führt. Gleichzeitig ermöglicht die senkrecht zur Rührwerkachse stehende Trennebene und die entsprechend dimensionierten Rührorgane die vollständige Freilegung der oberen Behälterschale beim Öffnen.The advantages of the mixer dryer according to the invention are immediately apparent to the person skilled in the art. On the one hand, the inclined arrangement of the agitator leads to a better mixing and on the other hand allows the complete exposure of the upper container shell when opening the container proper cleaning of the same. In particular, the inclination of the agitator axis allows entrainment of contents, which lies above the equatorial plane of the container, which leads to a better mixing of the contents. At the same time, the perpendicular to the agitator axis dividing plane and the correspondingly dimensioned stirring elements allows the complete exposure of the upper container shell when opening.

Im Folgenden soll die Erfindung anhand eines Ausführungsbeispieles und mit Hilfe der Figur näher erläutert werden. Dabei zeigt:

  • Figur 1: Querschnitt durch einen erfindungsgemässen Mischtrockner.
In the following, the invention will be explained in more detail using an exemplary embodiment and with the help of the figure. Showing:
  • FIG. 1 : Cross section through a mixer dryer according to the invention.

Der in Fig. 1 gezeigte Mischtrockner in Form eines Kugeltrockners 1 weist im Wesentlichen zwei Behälterschalen 2, 3 auf. Die obere Behälterschale 2 ragt bei der gezeigten Ausführungsform durch einen Boden 4, welcher einen Maschinenraum 5 von einem Produktionsraum 6 trennt, um allfällige Kontaminationen im Maschinenraum 5 vollständig vom Produktionsraum 6 fernzuhalten. Am maschinenraumseitigen Bereich der oberen Behälterschale 2 sind ein Rührwerk 7, ein Einlassstutzen 8 sowie Geräteadapter 9, 10 befestigt. Das Rührwerk 7 ragt mit seiner Rührwerkwelle 11 und seinen Rührorgane 12, 12', 12" in die untere Behälterschale 3. Ein Auslassventil 13 ist im untersten Bereich der unteren Behälterschale 3 angeordnet. Erfindungsgemäss sind die beiden Behälterschalen 2, 3 in einer Trennebene T verschliessbar, wobei diese Trennebene T im Wesentlichen senkrecht zur Rührwerkachse R liegt, d.h. zur horizontal liegenden Äquatorebene H geneigt ist. Diese Trennebene T kann auch als Begrenzungsfläche der Hüllkurve für die Bewegungen der Rührorgane 12, 12', 12" gesehen werden. Es erweist sich als besonders vorteilhaft, dass das Scharniergelenk 14 in dieser Trennebene T angeordnet werden kann, weil damit die Kontur der Rührorgan 12, 12', 12" der innenkontur des Behälters B präziser, d.h. mit geringster Toleranz folgen kann. Es versteht sich, dass auf der dem Scharniergelenk 14 gegenüberliegenden Seite eine Verriegelungsvorrichtung 15 angeordnet ist.The in Fig. 1 shown mixing dryer in the form of a ball dryer 1 has essentially two container shells 2, 3. The upper container shell 2 protrudes in the embodiment shown by a bottom 4, which separates a machine room 5 from a production room 6 in order to completely remove any contamination in the machine room 5 from the production room 6. At the engine room side area of the upper container shell 2 are a stirrer 7, an inlet nozzle 8 and device adapter 9, 10 attached. The agitator 7 projects with its agitator shaft 11 and its stirring elements 12, 12 ', 12 "into the lower container shell 3. An outlet valve 13 is arranged in the lowest area of the lower container shell 3. According to the invention, the two container shells 2, 3 can be closed in a parting plane T. , this separation plane T being substantially perpendicular to the agitator axis R, ie inclined to the horizontal equator plane H. This separation plane T can also be seen as the boundary surface of the envelope for the movements of the stirring elements 12, 12 ', 12 ". It proves to be particularly advantageous that the hinge joint 14 can be arranged in this parting plane T, because thus the contour of the agitator 12, 12 ', 12 "of the inner contour of the container B can follow more precisely, ie with the least tolerance. in that a locking device 15 is arranged on the side opposite the hinge joint 14.

In einer Weiterbildung des vorliegenden Kugelmischers 1 sind die Rührwerkwelle 11 und die Rührorgane 12, 12', 12" mit Kanälen versehen, welche es erlauben, ein heisses Fluid 16 in diesen Organen zirkulieren zu lassen. Wesentlich für die Erfindung ist es, dass die Rührorgane 12, 12', 12" die untere Behälterschale 3 resp. die Trennebene T nicht überragen, um sicherzustellen, dass beim Öffnen des Behälters B diese Rührorgane 12, 12', 12" die Innenfläche der oberen Behälterschale 2 vollständig freigeben.In a development of the present ball-type mixer 1, the agitator shaft 11 and the stirring elements 12, 12 ', 12 "are provided with channels which allow a hot fluid 16 to circulate in these organs 12, 12 ', 12 ", the lower container shell 3 respectively. do not project beyond the dividing plane T, to ensure that upon opening of the container B, these stirring members 12, 12 ', 12 "completely release the inner surface of the upper container shell 2.

Für die Praxis weisen die Behälter dieser Kugeltrockner ein Volumen von 400 bis 4'000 Liter auf. Insbesondere werden damit Granulate oder pulverförmige Substanzen für die Pharma oder Lebensmittelindustrie gefertigt, d.h. sind hohe Anforderungen an die Reinheit des Behälters gestellt.In practice, the containers of these ball dryers have a volume of 400 to 4,000 liters. In particular, it produces granules or powdery substances for the pharmaceutical or food industry, i. high demands are placed on the purity of the container.

Claims (8)

  1. Mixing drier in the form of a spherical mixer (1), whose vessel (B) comprises an upper vessel shell (2) and a lower vessel shell (3), said vessel shells (2, 3) being jointly closable in a separation plane (T), whereby at the upper vessel shell (2) there is arranged a stirrer (7) having a stirrer shaft (11) and having stirring elements (12, 12', 12"), whose stirrer axis (R) is inclined in relation to the vertical (V), wherein the separation plane (T) lies orthogonally in relation to the stirrer axis (R) and the stirring elements (12, 12', 12") lie completely within the lower vessel shell (3), i.e. they do not extend into the upper vessel shell (2).
  2. Mixing drier according to claim 1, wherein the stirrer axis (R) is inclined by 16° towards the vertical (V).
  3. Mixing drier according to claim 1, wherein the upper vessel shell (2) extends through a horizontal floor (4) which separates a production room (6) from a machine room (5).
  4. Mixing drier according to claim 1, wherein both vessel shells (2, 3) are pivotable against each other by means of a hinge (14).
  5. Mixing drier according to claim 4, wherein the hinge (14) lies in the separation plane (T).
  6. Mixing drier according to claim 1, wherein the lower vessel shell (3) is provided with an outlet valve (13) in its lowest region.
  7. Mixing drier according to claim 1, wherein the stirring elements (12, 12', 12") follow the inner contours of the vessel.
  8. Mixing drier according to claim 1, wherein the stirring elements (12, 12', 12") have heating means.
EP07711738A 2006-03-03 2007-03-01 Mixing drier having a spherical mixing vessel Active EP1991346B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202006003390U DE202006003390U1 (en) 2006-03-03 2006-03-03 mixing dryers
PCT/EP2007/001765 WO2007101603A1 (en) 2006-03-03 2007-03-01 Mixing drier having a spherical mixing vessel

Publications (2)

Publication Number Publication Date
EP1991346A1 EP1991346A1 (en) 2008-11-19
EP1991346B1 true EP1991346B1 (en) 2009-07-08

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US (1) US8272775B2 (en)
EP (1) EP1991346B1 (en)
JP (1) JP4851544B2 (en)
CN (1) CN101421030B (en)
AT (1) ATE435697T1 (en)
DE (2) DE202006003390U1 (en)
ES (1) ES2329096T3 (en)
RU (1) RU2429058C2 (en)
WO (1) WO2007101603A1 (en)

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CN117018937B (en) * 2023-09-28 2023-12-15 壹邦医疗健康科技(云南)有限公司 Device and process for forming gel on surface of oral wound

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JP2009532192A (en) 2009-09-10
US20090219781A1 (en) 2009-09-03
ATE435697T1 (en) 2009-07-15
JP4851544B2 (en) 2012-01-11
DE202006003390U1 (en) 2006-07-13
CN101421030A (en) 2009-04-29
ES2329096T3 (en) 2009-11-20
RU2008134851A (en) 2010-04-10
CN101421030B (en) 2011-10-19
EP1991346A1 (en) 2008-11-19
RU2429058C2 (en) 2011-09-20
WO2007101603A1 (en) 2007-09-13
DE502007001039D1 (en) 2009-08-20
US8272775B2 (en) 2012-09-25

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