Invention Grant
- Patent Title: Glass
- Patent Title (中): 玻璃
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Application No.: US11795297Application Date: 2006-01-12
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Publication No.: US07897531B2Publication Date: 2011-03-01
- Inventor: Junko Ishioka
- Applicant: Junko Ishioka
- Applicant Address: JP Sagamihara-shi
- Assignee: Kabushiki Kaisha Ohara
- Current Assignee: Kabushiki Kaisha Ohara
- Current Assignee Address: JP Sagamihara-shi
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2005-009266 20050117
- International Application: PCT/JP2006/300677 WO 20060112
- International Announcement: WO2006/075785 WO 20060720
- Main IPC: C03C3/068
- IPC: C03C3/068 ; C03C3/064 ; C03C3/062 ; C03C3/066
Abstract:
Glass has optical constants of a refractive index (nd) of 1.79 or over and an Abbe number (νd) of 27 or over and a specific gravity (D) of 3.20 or over and is free from devitrification in the interior of the glass in a reheat test. The glass has chemical durability according to the Powder Method (acid-proof property RA according to the Powder Method) which is Class 1.
Public/Granted literature
- US20080254965A1 Glass Public/Granted day:2008-10-16
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