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EP0459897A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Mineral fibres degradable in physiological medium

Assignee: Saint Gobain Isover SA France
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Filing: 1991-05-30
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Granted: —
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Expires: 2011-05-30
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Abstract

Abstract Translated from French La présente invention concerne des compositions de fibres minérales susceptibles de se dégrader au contact d'un milieu physiologique. The present invention relates to mineral fiber compositions liable to degrade on contact with a physiological medium. Des compositions avantageuses comprennent les constituants suivants, selon des proportions pondérales définies ci-après : la somme Ca0 + Mg0 + Fe₂0₃ demeurant supérieure à 25 %, ainsi que les oxydes Na₂O et K₂O, dont la somme des pourcentages reste inférieure à 7 %. Advantageous compositions comprise the following constituents, according to weight proportions defined below: the sum Ca0 + Mg0 + Fe₂0₃ remaining greater than 25%, as well as the oxides Na₂O and K₂O, the sum of the percentages of which remains less than 7%.

Inventors

  • 👤 Sylvie Thelohan
  • 👤 Alain De Meringo
  • 👤 Hans Furtak
  • 👤 Wolfgang Holstein

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 02:31
CPC Classifications
C; C03; C03C; C03C13/00; C03C13/06; C03C3/00; C03C3/04; C03C3/076; C03C3/097; C03C2213/00; C03C2213/02

Claims Analysis

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References Cited (Backward Citations)

US2663051A Cited
SU525634A1 Cited
FI56820B Cited
EP0009418A2 Cited
SU947112A1 Cited
EP0247817A1 Cited

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