Magnesium phosphate hydrogels
AssigneeInvicare Inc.
InventorsFaleh Tamimi Marino, Ashwaq Ali Al-Hashedi, Marco Laurenti, Ahmed Ebraheem Al Subaie, Mohamed-Nur Abdallah, Iskandar Tamimi Marino
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Abstract
A hydrogel comprising a colloidal suspension of MIXMIIYPZ two-dimensional nanocrystals in water, wherein MI is Na+ and/or Li+, MII is Mg2+ or a mixture of Mg2+ with one or more Ni2+, Zn2+, Cu2+, Fe2+ and/or Mn2+, P is a mixture of dibasic phosphate ions (HPO42−) and tribasic phosphate ions (PO43−), X ranges from about 0.43 to about 0.63, Y ranges from about 0.10 to about 0.18, Z ranges from about 0.29 to about 0.48, X, Y, Z being mole fractions, is provided.
Claims21
A hydrogel comprising at least 1% v/v of a colloidal suspension of MIXMIIYPZ two-dimensional nanocrystals in water, wherein:
- MI is Na+ and/or Li+,
- MII is Mg2+ or a mixture of Mg2+ with one or more Ni2+, Zn2+, Cu2+, Fe2+ and/or Mn2+,
- P is a mixture of dibasic phosphate ions (HPO42−) and tribasic phosphate ions (PO43−),
- X ranges from 0.43 to 0.60,
- Y ranges from 0.11 to 0.18, and
- Z ranges from 0.29 to 0.46,
- X, Y, Z being mole fractions.
A hydrogel comprising at least 1% v/v of a colloidal suspension of MIXMIIYPZ two-dimensional nanocrystals in water, wherein:
- MI is Na+ and/or Li+,
- MII is Mg2+ or a mixture of Mg2+ with one or more Ni2+, Zn2+, Cu2+, Fe2+ and/or Mn2+,
- P is a mixture of dibasic phosphate ions (HPO42−) and tribasic phosphate ions (PO43−),
- X ranges from about 0.43 to about 0.63,
- Y ranges from about 0.10 to about 0.18, and
- Z ranges from about 0.29 to about 0.48,
- X, Y, Z being mole fractions,
- said hydrogel further comprising an abrasive agent selected from the group consisting of magnesium phosphate silica, nano-silicate and calcium carbonate.
Dependencies are inferred from the claim text.