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US 6,280,839 B1Granted
Nonhygroscopic thermally stable aluminum hydroxide
AssigneeAlusuisse Martinswerk GmbH
InventorsNeil Brown, Michael Aggleton
Life of this patent
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Abstract
A nonhygroscopic thermally stable aluminum hydroxide, which is particularly useful for the preparation of thermally stable and fire retardant laminates for printed circuit boards.
Claims27
Nonhygroscopic thermally stable aluminum hydroxide of the molecular formula Al2O3.nH2O, wherein n has a value of >2.6 to <2.9, and which is surface treated with a silane.
A composition consisting of a nonhygroscopic thermally stable aluminum hydroxide of molecular formula Al2O3.nH2O, wherein n has a value of >2.6 to <2.9, and a silane, with which the aluminum hydroxide has been surface treated.
Dependencies are inferred from the claim text.