US 12486177 B1Patent grantUnited States

Porous Lanthanum Functional Nanomaterial

Official patent title

Lanthanum hydroxide /lanthanum oxide/calcium silicate/graphitic carbon nitride particulate crystalline nanocomposite

Arabic title: مركب نانوي بلوري جسيمي من هيدروكسيد اللانثانوم/أكسيد اللانثانوم/سيليكات الكالسيوم/نتريد الكربون الغرافيتي

Invention

Invention

Problem

Metal oxides and silicates can agglomerate on graphitic carbon nitride, reducing accessible surface area and making reproducible multiphase nanocomposite preparation difficult.

Why it matters

A controlled lanthanum-calcium-carbon-nitride material could support functional-material screening, but the patent's proposed anticancer context requires biological evidence that is not supplied.

Approach

The disclosed particulate material combines crystalline La(OH)3, La2O3, CaSiO3, and g-C3N4. Calcium silicate and carbon nitride are prepared separately, dispersed with lanthanum oxide, heated under pressure, and recovered as a mesoporous nanocomposite.

Who may benefit

Potential beneficiaries include lanthanide-material researchers, carbon-nitride laboratories, specialty nanomaterial producers, preclinical screening groups, and teams studying porous functional composites.

Potential value

The route provides a four-phase crystalline material with defined composition ratios, acicular particles, mesoporous nanosheets, surface area, pore dimensions, and pressure-assisted preparation.

Background

Background

Graphitic carbon nitride offers a modifiable two-dimensional framework, while metal oxides and silicates can add surface or functional properties. Their integration can be hindered by particle agglomeration, weak interfaces, and processing complexity. The publication describes a lanthanum-hydroxide, lanthanum-oxide, calcium-silicate, and carbon-nitride composite with structural and pore characterization. Although the field identifies anticancer activity as an intended context, the summary and claims provide no protein, cell, animal, toxicity, selectivity, mechanism, or clinical data supporting an anticancer use.

Technology overview

Technology overview

The composite contains hexagonal La(OH)3, La2O3, monoclinic CaSiO3, and graphitic C3N4, with at least part of the carbon nitride as mesoporous nanosheets. Acicular inorganic particles have a stated 40–100 nm median-length range. BET surface area is 60–100 m2/g, average pore diameter is 10–25 nm, and pore volume is 0.1–0.4 cm3/g. Preparation heats a CaSiO3, g-C3N4, and La2O3 dispersion at 150–250 °C and 2–8 bar.

Potential applications

Potential applications

  1. Porous lanthanum-containing nanocomposite research.
  2. Carbon-nitride and metal-silicate structure-property studies.
  3. Candidate functional-material screening for electrochemical or photocatalytic uses.
  4. Exploratory preclinical material screening, subject to biological validation.

Evidence-supported advantages

Evidence-supported advantages

  1. The material integrates four identified crystalline phases.
  2. Acicular particles and mesoporous carbon-nitride nanosheets are specified.
  3. Surface-area, pore-diameter, and pore-volume ranges are defined.
  4. A solution, sonication, pressure-heating, and separation route is described.

Development stage

Development stage

Laboratory synthesis and structural and pore characterization are described; biological testing, functional application validation, scale-up, and commercialization were not established.

Commercial opportunity

Commercial opportunity

The material may interest specialty nanomaterial researchers, but no therapeutic or device proposition is established. Any anticancer development requires independent biochemical and cell assays, normal-cell selectivity, mechanism, toxicology, biodistribution, animal efficacy, formulation, manufacturing controls, and clinical trials. Other applications likewise require application-specific testing, scale-up, and cost validation.

Patent classifications

Patent classifications

WIPO IPC

  • C01F17/229Compounds of beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium or rare-earth metals
  • B82Y30/00Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures

CPC

  • C01F17/229Compounds of beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium or rare-earth metals
  • B82Y30/00Specific uses or applications of nanostructures; measurement or analysis of nanostructures; manufacture or treatment of nanostructures
  • C01P2002/01Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2002/76Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2002/90Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2004/04Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2004/45Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2004/64Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2006/12Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2006/14Indexing scheme for structural and physical aspects of solid inorganic compounds
  • C01P2006/16Indexing scheme for structural and physical aspects of solid inorganic compounds

Inventors

Inventors

  • First inventorBabiker Yagoub Elhadi Abdulkhair
  • InventorMohamed Khairy Abdel Fattah Omran

Keywords

Keywords

  • lanthanum hydroxide
  • lanthanum oxide
  • calcium silicate
  • graphitic carbon nitride
  • nanocomposite
  • mesoporous nanosheets
  • BET surface area
  • preclinical screening

Patent document and drawings

Patent document and drawings

The patent publication is mapped to this record. Patent drawings remain within that publication; no separately cleared public media package has been supplied.