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)
SATO FUMIO (JP)
Application Number:
PCT/JP2009/067427
Publication Date:
April 15, 2010
Filing Date:
October 06, 2009
Export Citation:
Assignee:
NIPPON ELECTRIC GLASS CO (JP)
KONOSHITA SATOKO (JP)
SATO FUMIO (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:
JPH03137036A | 1991-06-11 | |||
JP2001066425A | 2001-03-16 | |||
JPH08109039A | 1996-04-30 | |||
JPH10194772A | 1998-07-28 | |||
JP2007297269A | 2007-11-15 | |||
JP2004075456A | 2004-03-11 | |||
JP2007112697A | 2007-05-10 | |||
JP2006117504A | 2006-05-11 |
Attorney, Agent or Firm:
NAITO TERUO (JP)
Teruo Naito (JP)
Teruo Naito (JP)
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