Fibrous materials
AssigneeImperial Chemical Industries PLC
InventorStuart Philip Hepburn
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Abstract
A fibrous structure, for example, a batt, mat, blanket, felt, cloth, paper or board, comprising staple fibers of polycrystalline alumina, alumina/silica, or zirconia having an average diameter of 0.5 to 5 microns, not greater than 20% by number of the fibers having a diameter greater than 5 microns and the shot content of the fibers being less than 5% by weight.
Claims7
A fibrous structure comprising staple fibres comprising polycrystalline alumina, alumina/silica or zirconia, said fibres having an average diameter of 0.5 to 5 microns, not greater than 20 per cent by number of the said fibres having a diameter greater than 5 microns and said fibres having a shot content of less than 5 per cent by weight.
Dependencies are inferred from the claim text.