Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2004-06-11
2009-12-08
Group, Karl E (Department: 1793)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S035000, C501S095100, C051S298000, C428S370000, C428S364000, C065S455000
Reexamination Certificate
active
07629280
ABSTRACT:
The properties of mineral fibres comprising silicon, magnesium, calcium, iron, aluminium and oxygen atoms are improved by exposure to a heat treatment under oxidising conditions which causes migration of MgO, thereby creating an outer layer with increased concentrations of MgO. Batts and other fibrous products containing the fibres have increased resistance to shrinkage and sintering.
REFERENCES:
patent: 2003/0015003 (2003-01-01), Fisler et al.
patent: 1 281 381 (1972-07-01), None
patent: WO 2006063846 (2006-06-01), None
Derwent Abstract 2002-380508, Derwent Abstract of U.S. 6,319,866, Nov. 20, 2001.
Dorothee J.M. Burkhard, Journal of Petrology, vol. 42, pp. 507-527 (2001).
Bolden Elizabeth A
Dickstein , Shapiro, LLP.
Group Karl E
Rockwool International A/S
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