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Title:
【発明の名称】抗菌消泡組成物及び方法
Document Type and Number:
Japanese Patent JP2737112
Kind Code:
B2
Abstract:
A defoamer composition including a primary antifoam agent which includes a particulate-type material having a high surface area such as silica, a secondary antifoam agent for acting synergistically with the primary antifoam agent such as polydimethylsiloxane, a water carrier and a quaternary ammonium salt silane compound which functions as an antimicrobial agent, fixed and adhered to the surface of the particulate material, in order that the defoamer composition be resistant to biological degradation due to the presence in the system of microorganisms. Methods of defoaming cationic, anionic and nonionic surfactant produced foams are disclosed, as is a method of rendering silica hydrophobic.

Inventors:
TOOMASU EMU JENTORU
UIRIAMU SHII HOWAITO
Application Number:
JP18622989A
Publication Date:
April 08, 1998
Filing Date:
July 20, 1989
Export Citation:
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Assignee:
DAU KOONINGU CORP
International Classes:
A23K1/16; A01N55/00; A61K8/00; A61K8/25; A61K8/55; A61K8/58; A61K31/695; A61P17/00; B01D19/04; C08L83/04; C09D7/12; C09K23/54; D06M11/00; D06M13/02; D06M13/244; D06M13/248; D06M13/262; D06M13/50; D06M13/51; D06M13/513; D06M23/00; (IPC1-7): B01D19/04; A01N55/00; A61K7/00; A61K31/695; B01F17/54; C09D7/12; D06M13/513; D06M23/00
Domestic Patent References:
JP5748307A
Attorney, Agent or Firm:
Warren G. Simor