Oct 18, 2018· The present invention relates to a method for producing polyether carbonate polyols by attaching alkyloxides and carbon dioxide to h-functional starter compounds, characterized in that at least one alcohol containing at least two urethane groups is used as the h-functional starter compound
What Ions Are Present in a Buffer Solution of Na2CO3 and NaHCO3? A buffer solution composed of both Na2CO3 and NaHCO3 contains Na+ cations, CO3- anions and HCO3- anions Na2CO3, or sodium carbonate, is a sodium salt of carbonic ac
3,937,3 87 3 4 fusion bonding in the absence of a brazing alloy the surface being cleaned and the area of such surface The present invention in applicable to the welding of or surfaces and, accordingly, can be varied within wide all aluminum containing parts and surfaces whether limits
The present invention refers to a mixture comprising at least 25wt% of polyether carbonate polyol having a content of CO2 in its chemical structure ranging from 05 to 30wt%, based on the total .
Carbonated water (also known as soda water, sparkling water or, especially in the US, seltzer or seltzer water) is water containing dissolved carbon dioxide gas, either artificially injected under pressure or occurring due to natural geological process Carbonation causes small bubbles to form, giving the water an effervescent quality Common forms include sparkling natural mineral water .
Dec 21, 2017· The present invention relates to the field of plant protection products, and especially to a plant protection product which can be applied before harvesting as well as a method for protecting plants during growth involving the use of calcium carbonate
Abstract The present invention generally relates to carbon dioxide (COsub2) sensors In one embodiment, the present invention relates to a carbon dioxide (COsub2) sensor that incorporates lithium phosphate (Lisub3POsub4) as an electrolyte and sensing electrode comprising a combination of lithium carbonate (Lisub2COsub3) and barium carbonate (BaCOsub3)
The present invention is a method for the capture and removal of carbonates (ie carbon sequestration) in natural fluids, such as ocean or river waterA flow system equipped with a pump is used to treat a fluid containing dissolved waste carbon dioxide and naturally occurring carbonic acid and other ions such as calcium, using the Aqua-PhyD .
Around this time, it was discovered that a solution of lithium carbonate could dissolve stones made of urate The first recorded use of lithium for the treatment of mania, based in part on the urate/lithium connection, was 1871 Use of lithium carbonate (the current pill form of ,
The present invention provides a method for producing lithium carbonate, that can shorten the time required in the production of lithium carbonate and has excellent maintenance property and production efficiency without forming fixed matters that require complicated procedures to remove in a ,
lenses, if present and easy to do Continue rinsing P312 - Call a POISON CENTER or doctor/physician if you feel unwell P332+P313 - If skin irritation occurs: Get medical advice/attention P337+P313 - If eye irritation persists: Get medical advice/attention P362+P364 - Take off contaminated clothing and wash it ,
en In a direct process, the present invention involves heating calcium carbonate to a temperature greater than its melting point or heating a molten mixture containing calcium carbonate; and subjecting the molten calcium carbonate or molten mixture to electrolysis to generate calcium oxide and oxygen, and a reduced carbon product
Lithium Carbonate-related patent applications The present invention provides a method for producing lithium carbonate, that can shorten the time required in the production of lithium carbonate and has excellent maintenance property and production efficiency without forming fixed matters that require complicated procedures to remove in a ,
Feb 02, 2008· The invention finds advantageous use for the treatment of dust which is obtained by subjecting smoke, contaminated with hydrogen chloride and heavy metals, to a treatment, by the dry or semiwet route, with a basic sodium compound In this use of the invention, the sodium compound is, by definition, a chemical compound containing sodium
The present invention relates to the recovery of pre cious metals such as gold and silver from aqueous solu tions thereof Generally, the precious metals, eg, gold are present in the form of cyanide complexes such as , line metal carbonate is potassium carbonate, the precipi tating agent may comprise about 40 to 50% by weight hydrazine, 15 .
potassium carbonate that the forests of Europe were threatened At the time of the French Revolution, LeBlanc’s invention allowed sodium carbonate to be substituted on a general basis The potassium carbonate that was recovered from ashes became the prime potassium compound before 1870 During these early times, potassium hydroxide (KOH.
present invention are specified as Al(OH) 3 and Mg(OH) 2, respectively  The term unplasticized PVC additive relates to one or more additives which are suitable for the production of unplasticized PVC other than the calcium carbonate, the zinc borate, the aluminium hydroxide and the magnesium hydroxide according to the present invention
expensive dimethyl carbonate was decomposed when the reaction was carried out in the same manner as in the present invention while using dimethyl carbonate that is known as a quaternizing agent, although a mixture of quater- nary ammonium salts of organic acid was obtained
carbonate that can be safely deposited or commercialized Finally it is also an object of the invention to produce amorphous SiO2 which can either be safely deposited or, at least partially, commercialized Thus the present invention should not strain the environment by generating toxic solid or liquid 20 waste materials The present invention
The present invention provides an alkali carbonate-based carbon dioxide absorbent containing an added sterically hindered cyclic amine to improve the rate of carbon dioxide absorption reduce the amount of renewable energy used and prevent the salt production and chemical phase separation
ethenyl aryl moieties present in an average polymer chain, different properties of the crosslinked or branchedcarbonate polymersaccordingto the present invention can be optimized and improved Carbonate polymers having two or more terminal ethenyl aryl moieties per chain andalowdegreeofpolymerization in the precrosslinked phase are as easily .
01/19/17 - 20170014316 - Oral care compositions comprising calcium carbonate and talc The present invention provides oral care compositions comprising, by total weight of the composition: (a) 15 to 35 weight % calcium carbonate; and (b) 5 to 25 weight % talc
A patent is a form of intellectual property that gives its owner the legal right to exclude others from making, using, selling, and importing an invention for a limited period of years, in exchange for publishing an enabling public disclosure of the invention In most countries patent rights fall under civil law and the patent holder needs to .
Apr 09, 2002· The present invention is to an aqueous antacid suspension for oral use having a pH of about 75 to about 87 of calcium carbonate, prepared by a process which comprises: a) adding to water an effective amount of calcium carbonate with mixing until the calcium carbonate is completely wetted and dispersed; and
Vinylene carbonate prepared by the process according to the present invention, can be used in various applications, for example, can be used as an additive for use in lithium ion batteries, the solvent for the nonaqueous electrode Examples of such additives, the surface is a coating component or carbonate polyvinylene producing monomers
Lithium combinations, and uses related thereto - The present invention relates to combinatorial therapies for treating anxiety, depression or psychotic conditions using a lithium salt and a psychoactive drug selected from the group consisting of serotonin reuptake inhibitor, a 5HT: 11-05-2009: 20160083370
Oct 12, 2017· The present invention relates to the use of a surface-reacted calcium carbonate as anti-caking agent, wherein the surface-reacted calcium carbonate is a reaction product of natural ground or precipitated calcium carbonate with carbon dioxide and at least one acid in an aqueous medium, wherein the carbon dioxide is formed in situ by the acid treatment and/or is supplied from an external source .
In one embodiment, the present invention relates to a carbon dioxide (COsub2) sensor that incorporates lithium phosphate (Lisub3POsub4) as an electrolyte and sensing electrode comprising a combination of lithium carbonate (Lisub2COsub3) and barium carbonate (BaCOsub3)
The preferred alkali metal salts for use in the present invention are sodium and/or potassium bicarbonate and sodium and/or potassium carbonate Since, at present, the sodium salts are less expensive than the potassium salts, preferably sodium bicarbonate and sodium carbonate are used in order to reduce the cost of the extraction process
Apr 09, 2002· According to an eighteenth embodiment of the present invention there is provided a process of preparing an aqueous neutral to mildly alkaline metal bicarbonate solution comprising bicarbonate anions and metal cations, which process comprises reacting a compound selected from the group consisting of metal carbonate, metal carbonate hydroxide .