Invention Grant
US09278866B2 Hollow silica particles, compositions comprising them, and methods for making same
有权
中空二氧化硅颗粒,包含它们的组合物及其制备方法
- Patent Title: Hollow silica particles, compositions comprising them, and methods for making same
- Patent Title (中): 中空二氧化硅颗粒,包含它们的组合物及其制备方法
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Application No.: US11200591Application Date: 2005-08-10
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Publication No.: US09278866B2Publication Date: 2016-03-08
- Inventor: Karen Kay Kalla , Matthew David Butts , Darryl Stephen Williams , Sarah Elizabeth Genovese
- Applicant: Karen Kay Kalla , Matthew David Butts , Darryl Stephen Williams , Sarah Elizabeth Genovese
- Applicant Address: US OH Cincinnati
- Assignee: The Procter & Gamble Company
- Current Assignee: The Procter & Gamble Company
- Current Assignee Address: US OH Cincinnati
- Agent Betty J. Zea
- Main IPC: C01B33/12
- IPC: C01B33/12 ; A61K8/11 ; A61K8/58 ; A61K8/81 ; A61K8/891 ; A61K8/894 ; A61Q1/02 ; A61Q1/06 ; A61Q19/00 ; B01J13/02 ; C01B33/18 ; A61K8/25

Abstract:
Methods for making and compositions comprising hollow silica particle are disclosed, said particles made from a composition comprising a silicon-containing compound selected from the group consisting of tetraalkoxysilanes, trialkyloxysilanes and derivatives thereof, dialkoxysilanes and derivatives thereof, alkoxysilanes and derivatives thereof, silicone oligomers, oligomeric silsesquioxanes and silicone polymers distributed over a polymer template core that is eliminated from the particle. The particles of the present invention have a substantially uniform particle size and exhibit low permeability to liquids.
Public/Granted literature
- US20070036736A1 Hollow silica particles, compositions comprising them, and methods for making same Public/Granted day:2007-02-15
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