Mineral wool composition

Details Mineral wool composition Mineral wool composition

2004-10-04

2009-12-29

Group, Karl E (Department: 1793)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S035000, C501S068000, C501S069000, C501S070000

Reexamination Certificate

active

07638447

ABSTRACT:
The subject of the invention is a mineral wool capable of dissolving in a physiological medium, which wool comprises the constituents below in the following percentages by weight:SiO239–44%, preferably 40–43%Al2O316–27%, preferably 16–26%CaO6–20%, preferably 8–18%MgO1–5%, preferably 1–4.9%Na2O0–15%, preferably 2–12%K2O0–15%, preferably 2–12%R2O (Na2O + K2O)10–14.7%, preferably 10–13.5%P2O50–3%, especially 0–2%Fe2O3(total iron)1.5–15%, especially 3.2–8%B2O30–2%, preferably 0–1%TiO20–2%, preferably 0.4–1%.

REFERENCES:
patent: 6156683 (2000-12-01), Grove-Rasmussen et al.
patent: 6313050 (2001-11-01), De Meringo et al.
patent: 6346494 (2002-02-01), Jensen et al.
patent: 2003/0181306 (2003-09-01), Bernard et al.
patent: 2006/0281622 (2006-12-01), Maricourt et al.
patent: 00/17117 (2000-03-01), None
patent: 01/68546 (2001-09-01), None

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