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Patent Searching and Data


Title:
OPTICAL GLASS
Document Type and Number:
WIPO Patent Application WO/2010/041666
Kind Code:
A1
Abstract:
An optical glass which makes a lens surface less susceptible to fogging.  The optical glass is characterized by containing, in mass%, 35-60% of SiO2, 1-20% of B2O3 and 0.1-12% of Li2O, while containing not less than 0.0001% but less than 0.1% of Sb2O3.

Inventors:
KONOSHITA SATOKO (JP)
SATO FUMIO (JP)
Application Number:
PCT/JP2009/067427
Publication Date:
April 15, 2010
Filing Date:
October 06, 2009
Export Citation:
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Assignee:
NIPPON ELECTRIC GLASS CO (JP)
KONOSHITA SATOKO (JP)
SATO FUMIO (JP)
International Classes:
C03C3/089; C03C3/064; C03C3/066; C03C3/068; C03C3/078; C03C3/083; C03C3/085; C03C3/087; C03C3/091; C03C3/093; C03C3/095; C03C3/097; G02B1/00
Foreign References:
JPH03137036A1991-06-11
JP2001066425A2001-03-16
JPH08109039A1996-04-30
JPH10194772A1998-07-28
JP2007297269A2007-11-15
JP2004075456A2004-03-11
JP2007112697A2007-05-10
JP2006117504A2006-05-11
Attorney, Agent or Firm:
NAITO TERUO (JP)
Teruo Naito (JP)
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