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1.发明申请
公开(公告)号：WO2006050781A2
公开(公告)日：2006-05-18
申请号：PCT/EP2005010997
申请日：2005-10-13
Applicant: DEGUSSA , ADRIAENSSENS JOZEF , BATHEN DIETER , BAEUML MANFRED , BEWERSDORF MARTIN , GAIL ERNST , LIESER THOMAS , MUELLER THOMAS , PELGRIMS IVAN , RINNER MICHAEL , WEBER ROBERT
Inventor： ADRIAENSSENS JOZEF , BATHEN DIETER , BAEUML MANFRED , BEWERSDORF MARTIN , GAIL ERNST , LIESER THOMAS , MUELLER THOMAS , PELGRIMS IVAN , RINNER MICHAEL , WEBER ROBERT
CPC classification number: B01J19/0053 , B01J12/007 , B01J19/2415 , C01C3/0229
Abstract: The invention relates to reaction tubes provided with catalyst coated inserts whose main faces are inclined at an angle equal to or less than 10° with respect to the longitudinal axis of a reaction tube, wherein said reaction tubes enable to attain an improved yield for a hydrogen cyanide production according to a BMA process without increased sooting in the reaction tubes.
Abstract translation: 反应管与其主面是倾斜的不超过10度至反应管的纵向轴线，导致产生由BMA工艺提高产量氰化氢而不增加反应管的碳污损催化剂涂覆的刀片。
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2.发明授权
公开(公告)号：EP0687245B1
公开(公告)日：1998-04-08
申请号：EP94907569
申请日：1994-02-15
Applicant: DEGUSSA
Inventor： KLASEN CLAAS-JUERGEN , BERTSCH-FRANK BIRGIT , LIESER THOMAS , SCHUBERT PETER , MUELLER KLAUS
CPC classification number: C01B15/106 , C11D3/3937 , C11D3/3942 , C11D17/0039
Abstract: The invention relates to a process for improving the storage stability of sodium percarbonate (2Na2CO3.3H2O2) by encasing it in sodium perborate. According to the invention, sodium percarbonate wet salt, obtained by the reaction of soda with hydrogen peroxide in the aqueous phase and separating the salt from the aqueous phase, is treated with a sodium perborate-containing solution or suspension in a solid-liquid separation device according to a process of displacement wash. The invention provides longer storage stability with a thinner perborate coating than prior art processes.
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公开(公告)号：AT153637T
公开(公告)日：1997-06-15
申请号：AT94915105
申请日：1994-04-23
Applicant: DEGUSSA
Inventor： BEWERSDORF MARTIN , KLASEN CLAAS-JUERGEN , LOOK-HERBER PETRA , BERTSCH-FRANK BIRGIT , LIESER THOMAS , MUELLER KLAUS
Abstract: Sodium percarbonate of the formula 2 Na2CO3 3 H2O2 can be produced by fluidised-bed spray granulation by spraying an aqueous solution of sodium carbonate and a hydrogen peroxide solution on sodium percarbonate seeds and evaporating water. The previously necessary use of phosphorus-containing crystallisation inhibitor to prevent blockages and incrustations in and on the nozzle can be avoided by the invention if the solutions are sprayed using a single three-substance pulverisation nozzle with the external mixing of the solutions.
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公开(公告)号：CA2204383A1
公开(公告)日：1996-05-17
申请号：CA2204383
申请日：1995-10-19
Applicant: DEGUSSA
Inventor： BERTSCH-FRANK BIRGIT , BEWERSDORF MARTIN , KLASEN CLAAS-JUERGEN , LIESER THOMAS , SCHUETTE RUEDIGER
IPC: C01B15/16 , C11D3/08 , C11D3/39 , C11D3/395 , C11D17/00 , C11D7/02 , C11D11/00 , C11D17/06 , C11D7/18 , C11D7/20
Abstract: The invention concerns washing, bleaching and cleaning agent compositions containing coated alkali metal percarbonate, in particular sodium percarbonate, and conventional components of such compositions, including in particular silicate-like builders. Compositions according to the invention, which have good stability during storage yet dissolve rapidly and thus render extension of the washing, bleaching or cleaning period unnecessary, contain an alkali metal percarbonate with an Oa* content in the composition of at least 70 %, a dissolution time of the alkali metal percarbonate in water of less than 10 minutes, determined under specific test conditions in each case, and a morphology index MI greater than 0.03, in particular greater than 0.04, in which: MI = 0.0448 . CV + 3.61 . 106 . d-3; CV = .sigma./d; .sigma. = .SIGMA.(di-d)2.wi/100 and d = .SIGMA.di.wi/100.
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公开(公告)号：CA2170599A1
公开(公告)日：1995-03-09
申请号：CA2170599
申请日：1994-04-23
Applicant: DEGUSSA
Inventor： BEWERSDORF MARTIN , KLASEN CLAAS-JUERGEN , LOOK-HERBER PETRA , BERTSCH-FRANK BIRGIT , LIESER THOMAS , MUELLER KLAUS
Abstract: Sodium percarbonate of the formula 2 Na2CO3 be produced by fluidised-bed spray granulation by spraying an aqueous solution of sodium carbonate and a hydrogen peroxide solution on sodium percarbonate seeds and evaporating water. The previously necessary use of phosphorous-containing crystallisation inhibitor to prevent blockages and incrustations in and on the nozzle can be avoided by the invention if the solutions are sprayed using a single threesubstance pulverisation nozzle with the external mixing of the solutions.
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Patent Agency Ranking
公开(公告)号：FI87797B
公开(公告)日：1992-11-13
申请号：FI880198
申请日：1988-01-18
Applicant: DEGUSSA
Inventor： DANKOWSKI MANFRED , LIESER THOMAS , PRESCHER GUENTER , LEONHARDT WOLFGANG , DIEHL MANFRED
Abstract: Aqueous bleaching agent suspensions based on a water-soluble peroxycarboxylic acid suspended in a carrier liquid in the presence of an organic thickening agent and of an acidifying agent exhibit an improved storage resistance over known suspensions with this base. This is achieved by means of pourable to pasty bleaching agent suspensions which contain a xanthan polysaccharide or agar polysaccharide as thickening agent and, in addition, a hydrate-forming neutral salt which desensitizes peroxycarboxylic acids. Preferred suspensions exhibit a pH of 2-5 and contain 10-30% by wt. diperoxydodecanedioic acid, 5-20% by wt. sodium sulfate and 0.1-1.0% by wt. xanthan. The use of non-dried, hydrophilized and optionally in situ desensitized peroxycarboxylic acids is especially preferred. The bleaching agent suspensions are prepared by homogeneously suspending the peroxycarboxylic acid in the thickened carrier liquid. The storage-resistant bleaching agent suspensions are used as laundry bleaching agents and for preparing cleaning agents and disinfection agents.
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公开(公告)号：FI880198A
公开(公告)日：1988-09-22
申请号：FI880198
申请日：1988-01-18
Applicant: DEGUSSA
Inventor： DANKOWSKI MANFRED , LIESER THOMAS , PRESCHER GUENTER , LEONHARDT WOLFGANG , DIEHL MANFRED
Abstract: Aqueous bleaching agent suspensions based on a water-soluble peroxycarboxylic acid suspended in a carrier liquid in the presence of an organic thickening agent and of an acidifying agent exhibit an improved storage resistance over known suspensions with this base. This is achieved by means of pourable to pasty bleaching agent suspensions which contain a xanthan polysaccharide or agar polysaccharide as thickening agent and, in addition, a hydrate-forming neutral salt which desensitizes peroxycarboxylic acids. Preferred suspensions exhibit a pH of 2-5 and contain 10-30% by wt. diperoxydodecanedioic acid, 5-20% by wt. sodium sulfate and 0.1-1.0% by wt. xanthan. The use of non-dried, hydrophilized and optionally in situ desensitized peroxycarboxylic acids is especially preferred. The bleaching agent suspensions are prepared by homogeneously suspending the peroxycarboxylic acid in the thickened carrier liquid. The storage-resistant bleaching agent suspensions are used as laundry bleaching agents and for preparing cleaning agents and disinfection agents.
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公开(公告)号：DK145588D0
公开(公告)日：1988-03-17
申请号：DK145588
申请日：1988-03-17
Applicant: DEGUSSA
Inventor： DANKOWSKI MANFRED , LIESER THOMAS , PRESCHER GUENTER , LEONHARDT WOLFGANG
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公开(公告)号：FI880198A0
公开(公告)日：1988-01-18
申请号：FI880198
申请日：1988-01-18
Applicant: DEGUSSA
Inventor： DANKOWSKI MANFRED , LIESER THOMAS , PRESCHER GUENTER , LEONHARDT WOLFGANG , DIEHL MANFRED
Abstract: Aqueous bleaching agent suspensions based on a water-soluble peroxycarboxylic acid suspended in a carrier liquid in the presence of an organic thickening agent and of an acidifying agent exhibit an improved storage resistance over known suspensions with this base. This is achieved by means of pourable to pasty bleaching agent suspensions which contain a xanthan polysaccharide or agar polysaccharide as thickening agent and, in addition, a hydrate-forming neutral salt which desensitizes peroxycarboxylic acids. Preferred suspensions exhibit a pH of 2-5 and contain 10-30% by wt. diperoxydodecanedioic acid, 5-20% by wt. sodium sulfate and 0.1-1.0% by wt. xanthan. The use of non-dried, hydrophilized and optionally in situ desensitized peroxycarboxylic acids is especially preferred. The bleaching agent suspensions are prepared by homogeneously suspending the peroxycarboxylic acid in the thickened carrier liquid. The storage-resistant bleaching agent suspensions are used as laundry bleaching agents and for preparing cleaning agents and disinfection agents.
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公开(公告)号：PL173925B1
公开(公告)日：1998-05-29
申请号：PL31103594
申请日：1994-02-28
Applicant: DEGUSSA
Inventor： BERTSCH-FRANK BIRGIT , KLASEN CLAAS-JUERGEN , LIESER THOMAS , MUELLER KLAUS , BEWERSDORF MARTIN
Abstract: PCT No. PCT/EP94/00576 Sec. 371 Date Oct. 2, 1995 Sec. 102(e) Date Oct. 2, 1995 PCT Filed Feb. 28, 1994 PCT Pub. No. WO94/24044 PCT Pub. Date Oct. 27, 1994Sodium percarbonate is often used in the form of coated particles to increase its storage stability in detergents. Sodium percarbonate particles coated in accordance with the invention have a coating containing reaction products from the reaction of a dialkali metal tetraborate or alkali metal pentaborate with aqueous hydrogen peroxide. Preferred coating components are: perborax with the formula Na2B4O7xH2O2, where n =2 or 4. The coated sodium percarbonate particles are produced by coating the percarbonate particles using a solution containing the reaction products mentioned above. Detergent, bleaching and cleaning compositions containing sodium percarbonate particles coated in accordance with the invention are distinguished by very high stability in storage.
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