Patent BE779363A successfully refreshed from Google Patents.
BE779363A
Expired / Lapsed
BE
⏱️ 0.0 years remaining
Treating glass - with hydrofluoric acid/oxalic acid mixture to reduce worn appearance
Assignee: Demeulemeester Rosanne Echtgen
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Filing: 1972-02-15
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Granted: —
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Expires: 1992-02-15
Abstract
Abstract The synergistic action of a mixed soln. of HF and oxalic acid hinders wearing of the glass, and also removes irridescence.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
BE
Data Source
google_patents
Last Synchronized
2026-11-09 04:58
CPC Classifications
C; C03; C03C; C03C23/00; C03C15/00
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