Glass fiber composition

Details Glass fiber composition Glass fiber composition

2005-02-08

2005-02-08

Sample, David (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S036000, C501S066000, C501S069000, C501S070000

Reexamination Certificate

active

06852656

ABSTRACT:
The invention relates to a biologically-degradable glass fiber composition having good mechanical properties, good workability and in particular fiber-forming-capabilty features and resistance to humidity. The concentrations expressed in percent by weight for each component being the object of the invention are: SiO2: 61 to 66; Al2O3: 1.1 to 2.1; (CaO+MgO): higher than 9; (Na2O+K2O): higher than 18; B2O3: 4 to 15; P2O5: 0 to 5; SO3: 0 to 1; Fe2O3: 0 to 0.5; Others: less than 2.

REFERENCES:
patent: 4312952 (1982-01-01), Carbol
patent: 5055428 (1991-10-01), Porter
patent: 5401693 (1995-03-01), Bauer et al.
patent: 5952254 (1999-09-01), De Meringo et al.
patent: 2781788 (2000-02-01), None
English translation of FR 2 781 788, Hans Furtak.*
Derwent Abstract 2000-163312, of FR 2,781,788 A1, Furtak, H.

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