The disclosure features methods that include obtaining a first calcium hydroxide solution that includes a first concentration of calcium ions and a second calcium hydroxide solution that includes a second concentration of calcium ions, adding a phosphoric acid solution to the first calcium hydroxide solution to generate a combined solution featuring an aqueous suspension of calcium dihydrogen phosphate particles, and adding the second calcium hydroxide solution to the combined solution to form a product solution that includes an aqueous suspension of particles of a calcium phosphate composition.
The disclosure features methods that include obtaining a first plurality of particles that include calcium carbonate, where the particles have a distribution of sizes between 8 mm and 12 mm, and heating the first plurality of particles to a temperature of between 900 °C and 1200 °C for a time period of at least 1 hour to generate a second plurality of particles that include calcium oxide.
The disclosure features compositions that include a material featuring three calcium phosphate phases that form one or more integral units of a solid, where a first one of the three phases includes one or more regions formed of hydroxyapatite, a second one of the three phases includes one or more regions formed of β-tricalcium phosphate, a third one of the three phases includes one or more regions formed of amorphous calcium phosphate, and where at least some of the regions corresponding to the first, second, and third phases contact one another in the one or more integral units of the solid.
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
21 - HouseHold or kitchen utensils, containers and materials; glassware; porcelain; earthenware
Goods & Services
Tooth care preparations; tooth cleaning preparations; dentifrices; dentifrices in the form of chewing gum; toothpaste; medical toothpaste; tooth gel; dental bleaching gels; tooth powder; tooth polish; teeth whitening strips; non-medicated dental rinse; mouthwash; mouth sprays, not for medical use; breath fresheners. Household utensils and containers; toothbrushes; toothbrush bristles; interdental brushes for cleaning teeth; dental floss; medicated dental floss; dental floss dispensers; dental floss holders; dental picks for personal use; dental pick holders for personal use; oral irrigators, other than for use in dentistry.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Chemicals used in industry; chemical catalysts; catalysts for use in carbon dioxide mitigation, carbon dioxide sequestration, and catalysis of fuels; chemicals, namely, calcium phosphate and calcium phosphate based catalysts. Blowing machines for the compression, exhaustion and transport of gases; compressors for gases; filters for gases (machines); exhaust gas treatment systems for motors and engines; emission reduction units for motors and engines; catalytic converters; apparatus for use in carbon dioxide mitigation, carbon dioxide sequestration, and catalysis of fuels including emission control systems and catalytic cracking systems. Treatment of gases; filtration of gases; chemical treatment of exhaust gases; catalytic conversion of chemical compounds; treatment of fuels; filtration of fuels; chemical treatment of fuels; treatment of exhaust systems; treatment of fuels and exhaust systems including mitigating carbon dioxide, sequestering carbon dioxide, and catalyzing fuels; recycling of exhaust systems; recycling of catalytic converters; information, advice and consultancy regarding the aforementioned services.
01 - Chemical and biological materials for industrial, scientific and agricultural use
07 - Machines and machine tools
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Chemical catalysts; catalysts for use in carbon dioxide mitigation, carbon dioxide sequestration, and catalysis of fuels; chemicals, namely, calcium phosphate and calcium phosphate based catalysts. Blowing machines for the compression, exhaustion and transport of gases; compressors for gases; filters for gases (machines); exhaust gas treatment systems for motors and engines; emission reduction units for motors and engines; catalytic converters; apparatus for use in carbon dioxide mitigation, carbon dioxide sequestration, and catalysis of fuels including emission control systems and catalytic cracking systems. Treatment of gases; filtration of gases; chemical treatment of exhaust gases; catalytic conversion of chemical compounds; treatment of fuels; filtration of fuels; chemical treatment of fuels; treatment of exhaust systems; treatment of fuels and exhaust systems including mitigating carbon dioxide, sequestering carbon dioxide, and catalyzing fuels; recycling of exhaust systems; recycling of catalytic converters; information, advice and consultancy regarding the aforementioned services.
