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公开(公告)号：EP1159061A1
公开(公告)日：2001-12-05
申请号：EP00915982.3
申请日：2000-03-01
申请人： Arch Chemicals, Inc.
发明人： MOHSENI, Saeed, M. , KAUFMAN, Charles, W. , BEATY, David, C. , JARDAS, John, J. , POLSON, George
CPC分类号： B01J13/02 , A61K8/044 , A61K8/466 , A61K8/4933 , A61Q5/006 , A61Q5/02 , Y10S514/96 , Y10S514/97 , Y10S977/926
摘要： A method for producing a suspension, emulsion or dispersion of de-agglomerated particles (advantageously submicron-sized particles) of pyrithione salts comprising contacting agglomerated pyrithione salt particles with a de-agglomerating agent to produce the desired de-agglomerated pyrithione salt particles. Also disclosed is a method for making de-agglomerated submicron-sized particles of pyrithione salts comprising a heating step. Also disclosed are the particles made by the above methods and compositions comprising the particles and a base medium.
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公开(公告)号：EP0977484A1
公开(公告)日：2000-02-09
申请号：EP98919781.9
申请日：1998-04-13
申请人： Arch Chemicals, Inc.
发明人： KAUFMAN, Charles, W. , MOHSENI, Saeed, M. , JARDAS, John, J. , POLSON, George , BEATY, David, C.
CPC分类号： C07D213/89 , A01N43/40 , A61K8/02 , A61K8/4933 , A61K31/44 , A61K2800/412 , A61Q5/006 , A61Q5/02 , A61Q19/00 , Y10S514/937 , A01N2300/00
摘要： The present invention relates to non-spherical and/or non-platelet pyrithione particles. Also disclosed is a method for producing non-spherical and/or non-platelet particles of pyrithione salts, comprising reacting pyrithione or a water-soluble salt of pyrithione and a water-soluble polyvalent metal salt in the presence of a dispersant at a temperature from about 20 °C to about 60 °C to produce non-spherical and/or non-platelet particles of pyrithione salts. The present invention further relates to particles made by the above methods and products, such as shampoos, soaps, and skin-care medicaments made using these particles.
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公开(公告)号：EP0977484B1
公开(公告)日：2005-12-28
申请号：EP98919781.9
申请日：1998-04-13
申请人： Arch Chemicals, Inc.
发明人： KAUFMAN, Charles, W. , MOHSENI, Saeed, M. , JARDAS, John, J. , POLSON, George , BEATY, David, C.
CPC分类号： C07D213/89 , A01N43/40 , A61K8/02 , A61K8/4933 , A61K31/44 , A61K2800/412 , A61Q5/006 , A61Q5/02 , A61Q19/00 , Y10S514/937 , A01N2300/00
摘要： The present invention relates to non-spherical and/or non-platelet pyrithione particles. Also disclosed is a method for producing non-spherical and/or non-platelet particles of pyrithione salts, comprising reacting pyrithione or a water-soluble salt of pyrithione and a water-soluble polyvalent metal salt in the presence of a dispersant at a temperature from about 20 °C to about 60 °C to produce non-spherical and/or non-platelet particles of pyrithione salts. The present invention further relates to particles made by the above methods and products, such as shampoos, soaps, and skin-care medicaments made using these particles.
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