GLASS FOR CHEMICAL STRENGTHENING

Title:

GLASS FOR CHEMICAL STRENGTHENING

Document Type and Number:

WIPO Patent Application WO/2012/124774

Kind Code:

A1

Abstract:

Provided is a glass that is for chemical strengthening and that has characteristics favorable for ornamental applications or for a casing of an electronic apparatus, namely, having superior foam quality, strength, and light transmittance characteristics, and having a grey hue. By mole percentage on an oxide basis, the glass for chemical strengthening contains 55-80% Si, 3-16% Al2O3, 0-12% B2O3, 5-16% Na2O, 0-4% K2O, 0-15% MgO, 0-3% CaO, 0-18% ΣRO (R being Mg, Ca, Sr, Ba, and Zn), 0-1% ZrO2, 0.01-0.2% Co3O4, 0.05-1% NiO, and 0.01-3% Fe2O3.

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Inventors:

YAMAMOTO HIROYUKI (JP)
KUNO KAZUHIDE (JP)

Application Number:

PCT/JP2012/056744

Publication Date:

September 20, 2012

Filing Date:

March 15, 2012

Export Citation:

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Assignee:

ASAHI GLASS CO LTD (JP)
YAMAMOTO HIROYUKI (JP)
KUNO KAZUHIDE (JP)

International Classes:

C03C3/085; C03C3/083; C03C3/087; C03C3/091; C03C3/093

Foreign References:

US5268335A	1993-12-07
JP2010143790A	2010-07-01

Attorney, Agent or Firm:

SAKURA PATENT OFFICE, p. c. (JP)
Patent business corporation cherry tree international patent firm (JP)

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