calcium carbonate - Translation into French - examples ...
The present invention relates to dewatering of an aqueous slurry of calcium carbonate. Cette invention concerne la déshydratation d'une bouillie aqueuse de carbonate de calcium . A wellbore servicing fluid comprising a water-based mud, a sized calcium carbonate particle and a wax.
US Patent for Calcium carbonate for particle boards Patent ...
Nov 24, 2016· The present invention relates to a particle board, a process for manufacturing the particle board as well as the use of at least one particulate calcium carbonate-containing material as wood particle replacement in a particle board. ... a process for manufacturing the particle board as well as the use of at least one particulate calcium ...
Lithium carbonate expiration - WilliamBrink2's blog
8 Lithobid (lithium carbonate 300 mg slow-release tablets) Health professionals are notified of a temporary reduction in the expiration dating for Lithobid. Estimated Expiration Date: August 6, 2021. Estimated Expiration Date is. The present invention relates to a "Once-a-Day" lithium carbonate …
(19) - EPO
[0001] The present invention relates to a method for producing a precipitated calcium carbonate and, in particular, a precipitated calcium carbonate product having an increased weight percent of the aragonitic crystal polymorph. BACKGROUND OF THE INVENTION [0002] In recent years calcium carbonate has found a wide array of uses across many ...
present invention carbonate - hoevedijkzicht.nl
In one embodiment of the present invention, the calcium carbonate particles provided contains a median particle size of from about to about 20nm in the powdered ... Get Price; Patent US5599388 Acid resistant calcium … In the practice of the present invention, the calcium carbonate compositions are rendered acid resistant by the inclusion of ...
water softening | Definition, Process, & Facts | Britannica
Water softening, the process of removing the dissolved calcium and magnesium salts that cause hardness in water. Softened water does not form insoluble scale or precipitates in pipes and tanks or interfere with cleaners such as soap. It is thus indispensable in many …
Calcium carbonate - Wikipedia
Calcium carbonate is a chemical compound with the formula Ca CO 3.It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone, which is a type of sedimentary rock consisting mainly of calcite) and is the main component of pearls and the shells of marine organisms, snails, and eggs.Calcium carbonate is the active ingredient in agricultural lime and ...
Dissolution stability of calcium carbonate tablets
Moreover, the present invention relates to novel calcium carbonate tablets that are stable with respect to dissolution behaviour. If the dissolution profile changes during time, this is normally seen during the first 14 days after manufacture.
The Same Invention or Not the Same Invention? Thorsten …
The alkylene carbonate having 3-5 carbon atoms in total can be ethylene carbonate, propylene carbonate and butylene carbonate The hair dye composition of the present invention may optionally
present invention patent - hoevedijkzicht.nl
The present invention relates to a chair apparatus for facilitating sexual intimacy between a person and his ... Get Price; Patent USD431881 Compact Google … FIG. 1 is a threedimensional perspective view of the compact of the present invention; FIG. 2 is a top view of the compact of the present invention…
WO2019026978A1 - Method for dissolving lithium compound ...
It is reacted with carbonic acid to form lithium hydrogen carbonate. Method for dissolving lithium compound, method for manufacturing lithium carbonate, and method for recovering lithium from lithium ion secondary cell scrap
KR101244327B1 - Calcium carbonate barrier films and uses ...
The present invention provides a polyolefin film comprising polyolefin and calcium carbonate and having a reduced water vapor transmission rate, a method for producing the film, and a packaging material comprising the film.
United States Patent [19] 5,985,138
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.
Leire IBARRETA | Tecnalia, Donostia / San Sebastián
The present invention provides a process for separating lignin from a lignocellulosic material in order to obtain cellulose free or substantially free of lignin, the process comprising the steps ...
Hydrogen carbonate - definition of hydrogen carbonate by ...
The present invention relates to a rubber composition for a tire, containing: diene rubber; silica; a silane coupling agent; and a carbonate salt and/or a hydrogen carbonate salt, wherein the rubber composition has a total content of the carbonate salt and the hydrogen carbonate salt of 0.3 to 25 parts by mass relative to 100 parts by mass of ...
PROCESS FOR THE PREPARATION OF SEVELAMER CARBONATE
The present invention provides a commercially feasible process for the preparation of sevelamer carbonate, which comprises the steps of: a) reacting sevelamer hydrochloride in the presence of base in a first solvent medium to get sevelamer base,
| Semantic Scholar
Aug 27, 2010· The present invention provides a lithium ion capacitor comprising a positive electrode, a negative electrode, a separator and an electrolyte, ... The invention discloses an organic electrolyte with propylene carbonate as a base solvent. The organic electrolyte comprises the components of propylene carbonate, chain carbonicester, lithium … Expand.
Carbonate patent application class
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
3-Hydroxy-N-Methylpyrrolidone and Use as Transdermal …
carbonate. The present invention also provides transdermal compositions comprising as the penetration enhancer, 3-hydroxy-N-methyl-Z-pyrrolidone. The present inven tion also provides a method for delivery of drugs through the human skin which comprises preparation of a transdermal drug delivery system containing 3
METHOD AND APPARATUS FOR THE PREPARATION OF CALCIUM ...
method and apparatus for the preparation of calcium carbonate coated calcium hydroxide particles United States Patent Application 20140326167 Kind Code:
Processes for preparing precipitated calcium carbonate ...
[0011] US 5, 873, 935 discloses a coating color produced by wet milling of the carbonate containing pigment. Summary of the Invention [0012] The present invention achieves the above and other objectives by providing a unique approach to preparing
Portland limestone calcined clay cement - Cement Lime Gypsum
(22) 09.04.2010 (43) 29.03.2019 (57) Summary of the corresponding patent EP2253600 (A1): The present invention relates to a cement comprising Portland cement clinker and a clinker replacement material, wherein the clinker replacement material comprises a carbonate material and a clay material, the clay material being characterised in that the carbonate material and/or the clay material has ...
EPO - T 2017/07 (Hair dye composition/KAO) of 26.11.2009
Nov 26, 2009· Furthermore, it was apparent from paragraphs [0006] and [0010] of the description adapted to claim 1, filed on 19 October 2007 during the first instance proceedings, that the amendment specifying alkylene carbonate as being propylene carbonate expressed that no alkylene carbonate other than propylene carbonate was present in the composition.
High opacity tipping paper - Schweitzer-Mauduit ...
The present invention is directed to a tipping paper adapted for wrapping a filter of a smoking article. The tipping paper contains a pigment made from calcium carbonate particles having a median size
Sodium to sodium carbonate conversion process (Patent ...
@article{osti_541724, title = {Sodium to sodium carbonate conversion process}, author = {Herrmann, S D}, abstractNote = {A method is described for converting radioactive alkali metal into a low level disposable solid waste material. The radioactive alkali metal is atomized and introduced into an aqueous caustic solution having caustic present in the range of from about 20 wt % to about 70 wt ...