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公开(公告)号：DE4336548C2
公开(公告)日：1994-11-17
申请号：DE4336548
申请日：1993-10-27
Applicant: DEGUSSA
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公开(公告)号：EP0802158A3
公开(公告)日：1998-08-19
申请号：EP97104688
申请日：1997-03-19
Applicant: DEGUSSA
Inventor： MANGOLD HELMUT DR , RIEMENSCHNEIDER HERBERT DR
IPC: C01B13/24 , B01J19/00 , B01J19/08 , C01B13/20 , C01B13/28 , C01B33/18 , C01F7/30 , C01G1/02 , C01G23/07 , C09D7/00 , C09D7/02 , C09D7/12
CPC classification number: C01B33/18 , C01B13/20 , C01B13/28 , C01F7/302 , C01G23/07 , C01P2004/04 , C01P2004/62 , C01P2004/90 , C01P2006/11 , C01P2006/12 , C01P2006/22 , C01P2006/60 , C01P2006/90 , C08K3/22 , C09D7/43 , C09D7/62
Abstract: Oxide, hergestellt mittels Flammenhydrolyse, weisen die folgenden Strukturparameter nach Schulz et al. auf:
A circle /A object größer als 6
Derivate Length D1 größer als 10
Die Oxide werden hergestellt, indem man flüchtige Metall- und/oder Metalloidverbindungen in einer Flamme hydrolysiert. Der Gas- beziehungsweise Gas/Partikelstrom wird dabei durch von außen induziertes elektrisches Feld geführt. Die Oxide weisen eine verbesserte Verdickungswirkung in flüssigen oder pastösen Systemen, wie zum Beispiel Lacken, auf.-
公开(公告)号：DK0761566T3
公开(公告)日：2001-09-10
申请号：DK96113807
申请日：1996-08-29
Applicant: DEGUSSA
Inventor： RIEDEMANN THOMAS , CAVAGNARO RICHARD , ROLF KLAUS , STREMPEL HANS-JUERGEN , BRAND GERD , MICHAEL GUENTHER DR , ERNST ANDREAS , SCHAFFER ROLAND , RIEMENSCHNEIDER HERBERT DR
Abstract: An apparatus (20) and method for dispensing fine particle material from a container (128) such as a flexible intermediate bulk container (128). The invention includes a dispensing assembly (20) that has a dispensing device that is secured to an outlet tube (134) of the container (128). Securement is achieved by a strap member (136) wrapped about the container's outlet tube (134) and a clamping casing (62) and/or by an inflatable member (80) that expands outward from the clamping casing (62). The casing (62) surrounds a transport tube (28) which is axially shiftable following securement of the clamping casing (62) to the outlet tube (134). A head piece (22) with gas cavity (40) and radial (50) and oblique (52) extending ports is provided at the end of the transport tube (28). The dispensing device (20) is inserted into the outlet tube (134) below a blocking member (146) provided at the base of the outlet tube (134). Following attachment of the outlet tube (134) to the clamping casing (62), the blocking member (146) is released. The transport tube (28) is then released from a first position, shifted and then fixed in a second position. The second position places the head (22) of the dispensing device (20) into the main compartment of the container (128) and above the released blocking member (146). At this location gas, is injected through the ports (50,52) and product is drawn out through the interior (32) of the transport tube (28). In an alternate embodiment, there is used, either alone or in combination with the headpiece (22), an injection branch (302) for directing a jet of air down the central axis of the transport tube (28). In another embodiment, a constricted member having a venturi configuration (314) is provided in the same area within the transport tube (28) as the outlet of the injection branch.
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公开(公告)号：AT190346T
公开(公告)日：2000-03-15
申请号：AT97113431
申请日：1993-11-10
Applicant: DEGUSSA
Inventor： KLASEN CLAAS-JUERGEN DR , FOERSTER MARTIN DR , HOEFLER ANDREAS DR , BAUER KLAUS-PETER , RIEMENSCHNEIDER HERBERT DR , FRANTA OLIVER , GILG RAINER
IPC: B01J2/14 , B01J2/20 , B01J2/22 , B01J21/18 , B01J37/00 , C01B31/02 , C01B33/18 , C01B33/26 , C01B37/02 , C01B39/02 , C08K3/00 , C09C1/58 , C09D17/00 , C11D3/12 , C11D3/14 , C11D11/00 , C09C1/60
Abstract: The invention relates to a process for preparing spherical granules from pulverulent solids and the granules prepared by the process. The process is characterised, inter alia, in that the pulverulent solids, if required together with the binders, lubricants and plasticisers conventional for pressing solids are uniformly moistened by addition of an appropriate amount of liquid and mixing in a mixer, pressed in a ring matrix press to give cylindrical agglomerate rods and then rounded in a rounding unit having a fluted disc. The solids granulated by this process exhibit a very narrow grain size spectrum and are distinguished, depending on process conditions, by good flowability and good dispersibility.
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公开(公告)号：DE4240576A1
公开(公告)日：1994-06-09
申请号：DE4240576
申请日：1992-12-04
Applicant: DEGUSSA
Inventor： RIEMENSCHNEIDER HERBERT DR , ALT CHRISTIAN , CLAUS MARTINA , LOROESCH JUERGEN DR , LEUTNER JOSEF , MOENCH HEINZ DR
Abstract: The invention relates to new alkali cyanide granules based on sodium cyanide or potassium cyanide and also a process for the preparation thereof. Commercial alkali cyanide granules comprise irregular particles: disadvantages are, in particular, the tendency to form dust and lumps. Alkali cyanide granules of the invention have practically no abrasion and a reduced tendency to form lumps. The granules are characterised by essentially spherical particles, particle diameters in the range from 0.1 to 20 mm, a bulk density above 600 g/dm , an abrasion of less than 1% and a caking index of at most 4. The granules can be prepared by fluidised-bed spray granulation, by an aqueous solution containing an alkali cyanide being sprayed on alkali cyanide nuclei in a fluidised bed and water being evaporated.
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Patent Agency Ranking
公开(公告)号：CZ285643B6
公开(公告)日：1999-10-13
申请号：CZ251293
申请日：1993-11-23
Applicant: DEGUSSA
Inventor： RIEMENSCHNEIDER HERBERT DR , ALT CHRISTIAN , CLAUS MARTIN , LOROSCH JURGEN DR , LEUTNER JOSEF , MONCH HEINZ DR
Abstract: The invention relates to new alkali cyanide granules based on sodium cyanide or potassium cyanide and also a process for the preparation thereof. Commercial alkali cyanide granules comprise irregular particles: disadvantages are, in particular, the tendency to form dust and lumps. Alkali cyanide granules of the invention have practically no abrasion and a reduced tendency to form lumps. The granules are characterised by essentially spherical particles, particle diameters in the range from 0.1 to 20 mm, a bulk density above 600 g/dm , an abrasion of less than 1% and a caking index of at most 4. The granules can be prepared by fluidised-bed spray granulation, by an aqueous solution containing an alkali cyanide being sprayed on alkali cyanide nuclei in a fluidised bed and water being evaporated.
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公开(公告)号：AT182484T
公开(公告)日：1999-08-15
申请号：AT93118198
申请日：1993-11-10
Applicant: DEGUSSA
Inventor： KLASEN CLAAS-JUERGEN DR , FOERSTER MARTIN DR , HOEFLER ANDREAS DR , BAUER KLAUS-PETER , RIEMENSCHNEIDER HERBERT DR , FRANTA OLIVER , GILG RAINER
IPC: B01J2/14 , B01J2/20 , B01J2/22 , B01J21/18 , B01J37/00 , C01B31/02 , C01B33/18 , C01B33/26 , C01B37/02 , C01B39/02 , C08K3/00 , C09C1/58 , C09D17/00 , C11D3/12 , C11D3/14 , C11D11/00
Abstract: The invention relates to a process for preparing spherical granules from pulverulent solids and the granules prepared by the process. The process is characterised, inter alia, in that the pulverulent solids, if required together with the binders, lubricants and plasticisers conventional for pressing solids are uniformly moistened by addition of an appropriate amount of liquid and mixing in a mixer, pressed in a ring matrix press to give cylindrical agglomerate rods and then rounded in a rounding unit having a fluted disc. The solids granulated by this process exhibit a very narrow grain size spectrum and are distinguished, depending on process conditions, by good flowability and good dispersibility.
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公开(公告)号：ES2116387T3
公开(公告)日：1998-07-16
申请号：ES93118345
申请日：1993-11-12
Applicant: DEGUSSA
Inventor： RIEMENSCHNEIDER HERBERT DR , ALT CHRISTIAN , CLAUS MARTINA , LOROSCH JURGEN DR , LEUTNER JOSEF , MONCH HEINZ DR
Abstract: The invention relates to new alkali cyanide granules based on sodium cyanide or potassium cyanide and also a process for the preparation thereof. Commercial alkali cyanide granules comprise irregular particles: disadvantages are, in particular, the tendency to form dust and lumps. Alkali cyanide granules of the invention have practically no abrasion and a reduced tendency to form lumps. The granules are characterised by essentially spherical particles, particle diameters in the range from 0.1 to 20 mm, a bulk density above 600 g/dm , an abrasion of less than 1% and a caking index of at most 4. The granules can be prepared by fluidised-bed spray granulation, by an aqueous solution containing an alkali cyanide being sprayed on alkali cyanide nuclei in a fluidised bed and water being evaporated.
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公开(公告)号：DE59400142D1
公开(公告)日：1996-04-11
申请号：DE59400142
申请日：1994-04-21
Applicant: DEGUSSA
Inventor： SCHAFFER ROLAND , RIEMENSCHNEIDER HERBERT DR
Abstract: The device consists of a tube (1), in which an air connection (2) is arranged. The air-outlet orifice (3) of the air connection (2) is arranged coaxially relative to the tube (1) in the direction of the inside of the tube (1). The orifice (13) of the tube is bevelled.
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公开(公告)号：CZ251293A3
公开(公告)日：1994-06-15
申请号：CZ251293
申请日：1993-11-23
Applicant: DEGUSSA
Inventor： RIEMENSCHNEIDER HERBERT DR , ALT CHRISTIAN , CLAUS MARTIN , LOROSCH JURGEN DR , LEUTNER JOSEF , MONCH HEINZ DR
Abstract: The invention relates to new alkali cyanide granules based on sodium cyanide or potassium cyanide and also a process for the preparation thereof. Commercial alkali cyanide granules comprise irregular particles: disadvantages are, in particular, the tendency to form dust and lumps. Alkali cyanide granules of the invention have practically no abrasion and a reduced tendency to form lumps. The granules are characterised by essentially spherical particles, particle diameters in the range from 0.1 to 20 mm, a bulk density above 600 g/dm , an abrasion of less than 1% and a caking index of at most 4. The granules can be prepared by fluidised-bed spray granulation, by an aqueous solution containing an alkali cyanide being sprayed on alkali cyanide nuclei in a fluidised bed and water being evaporated.
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