401 results about "Calcium salts" patented technology

The spinal cage comprises a structural component having sufficient strength to withstand the compressive loading between vertebral bodies. The structural component is integrated with an osteoconductive component to facilitate bone growth between the vertebral bodies. The structural component may comprise any of PEEK, PEKK, or other structural material. The osteoconductive component may comprise any of allograft, natural bone, tricalcium phosphate, hydroxyapatite or a blend of calcium carbonate, calcium lactate and other calcium salts. A method for making the spinal cage involves molding polymers around an osteoconductive component, heat staking, and may further include ultrasonically welding, snap fit or mechanically assembling and/or adhesively bonding components.

Process, apparatus and composition for calcium fortification of beverages are provided. The methods comprise continuously blending in water a calcium source, preferably calcium hydroxide, and an acid source for a time sufficient to produce soluble calcium salts, but with minimal precipitation. The acid source is preferably citric acid. The calcium salt solution remains in an in-line retaining reaction hold tube for the necessary period to produce calcium salt in solution without significant precipitation, and is then continuously and immediately added to a non-dairy beverage, such as orange juice, to calcium fortify the beverage. The pH of the calcium salt solution can be monitored to optimize the amount of soluble salt and minimize the amount of precipitate.

Aluminum and aluminum-zirconium antiperspirant compositions of enhanced efficacy and a pH value of at least 3.5 are provided that are made by reaction with insoluble, strongly alkaline strontium or calcium salts. The aluminum and aluminum-zirconium strontium or calcium compositions show high pH values with characteristic HPLC Band III to Band II ratios of at least 0.5. The basic aluminum halohydrate (or nitrate) solutions typically have aluminum to anion ratio of less that 1.9. The solution compositions are stable with respect to both HPLC Band III to Band II ratio and viscosity at concentrations of about 20% to about 40% by weight of anhydrous solid. The solid state compositions form hard sticks with low irritation, at low metal to chloride ratios of about 0.9 to about 1.2.

An inkjet recording method which suppresses feathering and color bleeding and is excellent in fixability to a recording medium. The inkjet recording method includes the steps of applying an ink-receiving solution prepared by dissolving in an aqueous solvent at least one metal salt having a water solubility of 0.1 mol/l or more, selected from calcium salts, magnesium salts, nickel salts and zinc salts having a valence of 2 or more, to at least the surface to be printed by using an inkjet ink or the entire surface of a recording medium; and printing on the metal salt adhered part by using the inkjet ink comprising at least a pigment, a resin emulsion and an aqueous solvent containing a surfactant. Further, a phosphorus-containing group having at least one P—O or P═O bond is bound to the surface of the pigment.

Liquid laundry detergent compositions are provided that show remarkable performance even though they utilize only eco-friendly ingredients and have a sustainability index of greater than 3. Some embodiments include a liquid laundry detergent composition comprising alkyl polyglycoside (APG) with fatty alcohol sulfate, at least two detersive enzymes, an enzyme stabilization system (e.g. borate and/or citrate and/or calcium salts), d-limonene or other natural essence, water and adjuvant. In another exemplary embodiment, APG is combined with fatty acid soaps, at least two detersive enzymes, an enzyme stabilization system (e.g. borate and/or citrate and/or calcium salts), d-limonene or other natural essence, water and adjuvant. Such compositions show remarkable performance, good viscosity, physical storage stability, enzyme stability, and have a sustainability index of greater than 3.

A detergent composition comprising; a) a non-phosphorous based builder which is an amino acid based compound or a succinate based compound, b) one or more enzymes which are destabilised by the non-phosphorous containing builder and c) a stabilisation system for the one or more enzymes. The stabilising system comprising one or more divalent metal ion salts and a non-ionic surfactant. Preferably the builder is the tetrasodium salt of glutamic-N,N-diacetic acid and the enzyme comprises protease. The preferred divalent metal ion salts are calcium salts.

A method of boron removal from saline water containing boron and magnesium or calcium salts including a multi-stage reverse-osmosis (RO) separation process and comprising the steps of a first stage RO separation at pH<8.2; a second stage RO separation over at least part of the first-stage permeate; a third stage RO separation over the second-stage brine. The method is characterized in that the second stage separation is carried at pH>9 and the brine concentration is limited to a degree preventing Mg(OH)₂ or CaCO₃ scaling on RO membrane surfaces, the permeate constitutes product water, and the brine contains boron and magnesium or calcium ions; the third stage separation is carried at weak-acid pH, whereby the bulk of the magnesium or calcium ions are separated with the brine, while the bulk of the boron ions are retained in the permeate. The method further comprises a fourth stage of separation over the third-stage permeate, where the bulk of the boron ions is separated from the third-stage permeate, and the permeate of the fourth stage constitutes product water with low boron content.

The invention discloses a calcium fertilizer and an application thereof. The calcium fertilizer contains water-soluble calcium salt and a plant-growth regulating agent substance. The plant-growth regulating agent substance is amine hexanoate or salts thereof. Regional trials show that, when the calcium fertilizer is sprayed on leaves, the occurrence rate of apple bitter pox disease can be reduced from 27% to below 7%. Compared with simple calcium supplementation products, the calcium fertilizer provided by the invention is advantaged in good calcium supplementation effect and increased yield. The calcium fertilizer provided by the invention assists in promoting plant absorption and transportation of calcium, such that the calcium fertilizer can effectively solve the physiological calcium deficiency problems of fruit trees and vegetables. The calcium fertilizer can also be used for controlling various physiological diseases caused by calcium deficiency, such as apple bitter pox disease, pox blotch, pear blackheart, peach crevice line softening, dehiscent fruits of orange, litchi, longan, mango, dates, and watermelon fruit, umbilical rots of tomatoes and green peppers, cabbage dry heart, and other plant calcium deficiency diseases. With the calcium fertilizer provided by the invention, calcium content in fruits can be improved, the yield can be improved, the fruit quality can be improved, and the storage life can be prolonged.

The invention relates to a preparation technique of isosorbide, belonging to the technical field of pharmacy. In the preparation technique, solid sorbitol is used as the raw material, a mixture of perfluoro-sulfonic acid resin and palladium on carbon is used as the catalyst, and hydrogen is used as an anti-carbonation agent to prepare the non-carbonized light-colored isosorbide reaction liquid; and low-temperature concentration and solvent crystallization are utilized to substitute the original high-temperature distillation. The preparation technique comprises the following steps: dehydration reaction, neutralization decolorization, electrodialysis desalination, water removal by concentration, extraction crystallization, freeze-drying, and quality inspection and packaging (after the product is qualified in inspection, packaging, and warehousing as the finished product). The invention can prevent carbonization and prevent the reaction liquid from becoming dark, thereby enhancing the utilization ratio of the raw material; most calcium salts are precipitated due to low solubility, and the electric conductivity of the reaction liquid is low, thereby being beneficial to subsequent extraction; and the invention overcomes the defect of high energy consumption in the high-temperature distillation technique, and the quality of the prepared isosorbide is more excellent.

A bactericidal fertilizer and a production and application method thereof relates to a fertilizer composition. The fertilizer comprises the following raw materials: a soluble nitrogen phosphor potassium fertilizer, inorganic matter with trace elements, magnesium salts, complexed calcium salts, organic carbon source compounds, a silver agent, soluble amino acids, and auxiliary agents; the production method comprises the following steps: drying, pulverizing, and mixing the soluble nitrogen phosphor potassium fertilizer, trace elements, and magnesium salts to obtain fine powder; dispersing nanosilver or complexed silver or nanocolloid in anhydrous alcohol, adding various auxiliary agents, and stirring; adding the fine powder into the silver-containing alcohol component, and stirring; puttingeach component into a closed container, mixing, stirring, and vacuumizing the container; after the alcohol is exhausted, uniformly stirring the product, and performing vacuum packaging. The application method comprises: soaking crop seeds, pouring roots, spraying leaf surfaces, and being used as a nutrient solution in soilless culture. According to the invention, a fertilizer with silver bactericide can be produced, which meets the requirements of economic crops, and facilitates agricultural development.

An oral and dental hygiene product is comprised of a composite material comprising calcium salts which are slightly soluble in water, in the form of nanoparticulate primary particles having a length of from 5 to 150 nm and a cross section of from 2 to 50 nm and protein components selected from the group consisting of proteins, protein hydrolysates and protein hydrolysate derivatives, and 0.1 to 9% by weight of a cleaning agent based on the total weight of the product.

A method for cryopreservation of cells characterized by the use of a solution containing, as essential components, a sodium salt, a potassium salt, a saccharide, a cryoprotectant, and a hydrogencarbonate salt and/or a carbonate salt, the solution further optionally containing a component selected from the group consisting of proteins, magnesium salts, and calcium salts. According to the present invention, a method for cryopreservation of cells capable of maintaining a high viability rate after thawing, and a cryopreservation solution used in the cryopreservation are provided. In addition, by using the method for cryopreservation, the cells can be preserved in a state of maintaining a high viability rate even after thawing, and also maintaining their physiological functions; further, a cell washing step after freezing and thawing is unnecessary, thereby making it very useful in the fundamental researches of cells and the application studies on the medical treatment.

The invention discloses a method for recovering collagen and chromium salts from chromium-containing scrap leather residues, which comprises the following steps: carrying out alkaline hydrolysis on chromium-containing scrap leather residues with strong alkali assisted by metal oxide and surfactant, recovering collagen from the filtrate, hydrolyzing the filter residues with strong acid, and sequentially carry out redox reaction to obtain a chrome tanning solution or drying to obtain a powdery chrome tanning agent. The invention has the advantages of fewer steps, short period, high efficiency and low production cost, is simple to operate, and can implement effective separation of chromium and hydrolyzed collagen; the recovered industrial collagen has low chromium content and high added value, and thus, can be used as a raw material for producing other fine industrial chemicals; the recovered chromium salts are free of calcium salts, and thus, can be used as a tanning agent for leather tanning again; and the invention does not generate tailings or wastewater, thereby avoiding secondary pollution.

An improved method of treating wastewater to remove ammonia and fluoride is provided. The method comprises the steps of chemical destruction of ammonia with an oxidizing agent, followed by treatment with calcium salts to precipitate insoluble calcium fluoride, and filtration to remove the precipitate.

Methods for the preparation of storage-stable fatty acid calcium salt products by forming a reactive admixture of (a) an unsaturated fatty acid glyceride feedstock; and (b) from about 10% to about 30% of the total admixture weight of calcium hydroxide; and heating the admixture to a temperature at which the fatty acid glycerides saponify to form fatty acid calcium salts in an atmosphere in which the partial pressure of oxygen has been reduced by an amount effective to provide an improvement in storage stability. Storage stable calcium salts of unsaturated fatty acids prepared by the inventive method are also disclosed.

A stable aqueous suspension of water-soluble polyacrylamide particles is in a saturated solution of an ammonium salt. The polyacrylamide particles are characterized by a particle size of about −150 mesh, and preferably −270 mesh, with −400 mesh most preferred. The suspension is at least about 2.5% by weight polyacrylamide. When the ammonium salt is ammonium sulfate, PAM concentrations as high as about 15% by weight can be achieved while still being easily flowable. The suspension is made by stirring the small particle PAM into the saturated ammonium salt solution. The PAM can be quickly dissolved to form a less concentrated PAM solution by adding the suspension to water or to a dilute solution, which can include calcium salts or other soil enhancers.

The invention relates to a micro-arc oxidation electrolyte and micro-arc oxidation method for titanium alloys. The electrolyte comprises phytic acid or phytate, and one or more of electrolytes such as bioactive element containing calcium salts, magnesium salts, zinc salts or organic additives such as tannic acid and hydroxides also can be added. The micro-arc oxidation method comprises the steps of pretreatment, micro-arc oxidation, and post-processing. The micro-arc oxidation electrolyte disclosed by the invention does not contain Cr<6+>, F<-> and PO4<3->, therefore, the electrolyte has no pollution to the environment. A coating prepared according to the micro-arc oxidation method disclosed by the invention is of a typical microporous structure, and has good antimicrobial properties, biological activity, corrosion resistance and wear resistance; the method is easily-obtained in raw materials, and suitable for industrial production.

The invention discloses a preparation method of calcium phosphate nanoclusters. The preparation method of the calcium phosphate nanoclusters comprises the following steps: dissolving water-soluble calcium salts and polyaspartic acid in water so as to obtain a solution A, wherein mass ratio of the water-soluble calcium salts to the polyaspartic acid is 1 to (0.1-15); dissolving water-soluble phosphates and polyacrylic acid in water so as to obtain a solution B, wherein mass ratio of the water-soluble phosphates to the polyacrylic acid is 1 to (0.1-15); and then, slowly mixing the solution A with the solution B, and adjusting the pH value to 7-8 so as to obtain the calcium phosphate nanoclusters. The preparation method of the calcium phosphate nanoclusters is simple to operate, easy to obtain raw materials, low in cost and feasible for easy repeating. The invention further provides calcium phosphate nanoclusters prepared by the preparation method; and the calcium phosphate nanoclusters are amorphous gel materials of which the particle size is 1 nanometer. The invention further provides application of the calcium phosphate nanoclusters in preparation of drugs for repairing osteoporosis.