Invention Grant
- Patent Title: Zinc oxide powder blends, their production and use
- Patent Title (中): 氧化锌粉末混合，其生产和使用
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Application No.: US12302772Application Date: 2006-10-23
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Publication No.: US08383087B2Publication Date: 2013-02-26
- Inventor: David Schlossman , Yun Shao
- Applicant: David Schlossman , Yun Shao
- Applicant Address: US NJ South Plainfield
- Assignee: Kobo Products, Inc.
- Current Assignee: Kobo Products, Inc.
- Current Assignee Address: US NJ South Plainfield
- Agency: Handal & Morofsky LLC
- International Application: PCT/US2006/041417 WO 20061023
- International Announcement: WO2007/048057 WO 20070426
- Main IPC: A61K8/27
- IPC: A61K8/27
Abstract:
This disclosure provides sunscreen products that contain metal oxide powders having discrete size distributions. Metal oxide powders include, for example, zinc oxide and titanium dioxide. Sunscreen products made in accordance with the principles of this disclosure contain metal oxide powders having primary particle sizes of about 10-30 ran and about 50-200 nm.
Public/Granted literature
- US20090324657A1 ZINC OXIDE POWER BLENDS, THEIR PRODUCTION AND USE Public/Granted day:2009-12-31
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