Title:
【発明の名称】低アルカリ含量のガラスシートの脱アルカリ
Document Type and Number:
Japanese Patent JPH07507762
Kind Code:
A
Abstract:
PCT No. PCT/FR93/00950 Sec. 371 Date Sep. 29, 1994 Sec. 102(e) Date Sep. 29, 1994 PCT Filed Sep. 29, 1993 PCT Pub. No. WO94/07807 PCT Pub. Date Apr. 14, 1994This invention relates to a glass sheet having a low content of alkaline oxides and alkaline-earth oxides, in the composition of which the sum of the alkaline and alkaline-earth oxides is less than or equal to 15%, with a sodium oxide content less than or equal to 10%, the values being expressed in percentages by weight, at least one of the faces of which is constituted of a surface zone virtually devoid, notably, of alkaline ions.
Inventors:
Jus, Didiere
Birat, Pablo
Geoffroy, Catherine
Birat, Pablo
Geoffroy, Catherine
Application Number:
JP50877994A
Publication Date:
August 31, 1995
Filing Date:
September 29, 1993
Export Citation:
Assignee:
Saint-Gobain bitrage
International Classes:
C03C3/091; C03C3/093; C03C23/00; (IPC1-7): C03C23/00; C03C3/091; C03C3/093
Attorney, Agent or Firm:
Takashi Ishida (3 others)