refractory concretes patent doe patents
Refractory filling mass for fettling
FIELD refractory filling mass for fettling of worn parts in refractory casing of metallurgical furnaces. SUBSTANCE claimed mass includes (mass ) granulated refractory component 45-90 and balance bonding system containing at least one component in form of solid bitumen in granulated form (3.5-20) at least one metal powder inflaming at temperature of application (1.5-25) and at least
Get PriceSynthesis of refractory materials (Patent) DOE Patents
Patent Holt J B. Refractory metal nitrides are synthesized during a combustion process utilizing a solid source of nitrogen. For this purpose a metal azide is employed. The azide is combusted with a transition metal of the IIIB IVB group or a rare earth metal and ignited to produce the refractory material.
Get PriceClass Schedule for Class 523 SYNTHETIC RESINS OR NATURAL
Search Patent Classification Systems. Class 523. SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES. Click here for a printable version of this file. Turn Outline. Expand/Contract Processing Please Wait. Select Largest Indent Level to be Displayed. Select Expansion Level Expand All Indent Levels Contract To Mainlines Indent
Get PricePREPARATION FOR PRODUCING REFRACTORY MATERIALSPatent
Patent application title PREPARATION FOR PRODUCING REFRACTORY MATERIALS Inventors Christoph Batz-Sohn Wolfgang Lortz Christoph Tontrup Tadeusz Von Rymon Lipinski Agents OBLON SPIVAK MCCLELLAND MAIER NEUSTADT L.L.P. Assignees Evonik Degussa Origin ALEXANDRIA VA US IPC8 Class AC04B35565FI USPC Class 501 89 Patent application number
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Jun 09 2016 · JustiaPatentsPatents and Patent Application Resources. Abstract A refractory formulation containing an anhydrous solvent an oleophilic rheology modifier and a refractory aggregate exhibits non-thermoplastic behavior and remains plastic and formable at temperatures in the range of 10 degrees Celsius to 180 degrees Celsius. The oleophilic rheology modifier may effectively bind with the
Get PriceThe effect of the addition of polypropylene fibres on the
Dec 01 2014 · Refractory concretes with the addition of fibres are distinguished by higher mechanical strength in a raw state compared to concretes without fibres . As a result fibre-containing refractory concretes are resistant to damage which may occur during demoulding or transportation in the case of precast units. (patent restrictions) (composition
Get PriceAn atrial synchronized pacemaker having an adaptive atrial
An atrial synchronized pacer having an atrial refractory period which is extended in response to the detection of retrograde activated P-waves for interrupting pacemaker meditated tachycardia. Atrial sensing amplifier 14 supplies atrial sense signals to A-V timer 20 and atrial refractory timer 30.
Get PricePREPARATION FOR PRODUCING REFRACTORY MATERIALSPatent
Patent application title PREPARATION FOR PRODUCING REFRACTORY MATERIALS Inventors Christoph Batz-Sohn Wolfgang Lortz Christoph Tontrup Tadeusz Von Rymon Lipinski Agents OBLON SPIVAK MCCLELLAND MAIER NEUSTADT L.L.P. Assignees Evonik Degussa Origin ALEXANDRIA VA US IPC8 Class AC04B35565FI USPC Class 501 89 Patent application number
Get PriceNovartis drops the Kymriah patent that was opposed by
In a letter dated 29 November 2019 the proprietors of the contested patent on the cancer cell therapy Kymriah requested through their lawyer its revocation on the grounds that they no longer approved the text upon which it had been granted.Novartis is not the official holder but acquired the exclusive rights over this patent and has therefore brought all its weight behind this decision.
Get PriceThe effect of the addition of polypropylene fibres on the
Dec 01 2014 · Refractory concretes with the addition of fibres are distinguished by higher mechanical strength in a raw state compared to concretes without fibres . As a result fibre-containing refractory concretes are resistant to damage which may occur during demoulding or transportation in the case of precast units. (patent restrictions) (composition
Get PriceRefractory concrete
SUBSTANCE refractory concrete mix is composed of corundum and/or alumino-magnesium aggregate (50-80 ) and binder (20-50 ) in the form of finely ground mixture containing 75-90 refractory component with the same makeup as aggregate 5-20 sodium tripolyphosphate and additionally 5-10 of iron-containing component with weight percentage of
Get PriceAlkaline Earth Metaborates as Property Enhancing Agents
A significant increase in the structural strength of heated calcium aluminate refractory products such as mortar and concrete can be obtained by the addition of alkaline earth borates barium metaborate in particular and heating in the range of 500 to 1000 degrees F. to cure the refractory with an optimum strength provided at approximately 750 degrees F.
Get PricePREPARATION FOR PRODUCING REFRACTORY MATERIALSPatent
Patent application title PREPARATION FOR PRODUCING REFRACTORY MATERIALS Inventors Christoph Batz-Sohn Wolfgang Lortz Christoph Tontrup Tadeusz Von Rymon Lipinski Agents OBLON SPIVAK MCCLELLAND MAIER NEUSTADT L.L.P. Assignees Evonik Degussa Origin ALEXANDRIA VA US IPC8 Class AC04B35565FI USPC Class 501 89 Patent application number
Get PriceNovartis drops the Kymriah patent that was opposed by
In a letter dated 29 November 2019 the proprietors of the contested patent on the cancer cell therapy Kymriah requested through their lawyer its revocation on the grounds that they no longer approved the text upon which it had been granted.Novartis is not the official holder but acquired the exclusive rights over this patent and has therefore brought all its weight behind this decision.
Get PricePatents Assigned to Refratechnik Holding Justia
Mar 23 2017 · JustiaPatentsPatents and Patent Application Resources. Abstract A refractory has the form of a dry mineral batch of fire-resistant mineral materials combined in such a way that refractories which are long-term resistant to fayalite-containing slags sulfidic melts (mattes) sulfates and non-ferrous metal melts and are used for refractory linings in industrial non-ferrous metal melting
Get PriceRefractory concretesThe United States of America as
Additionally La 2 O 3 does not react with acids such as HNO 3 to form plasters but does form a concrete when contacted with NH 4 NO 3 according to this invention. Generally the concretes of this invention have about the same pore diameter and apparent specific gravity as the corresponding Ser. No. 617 126 oxide-acid plasters.
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3.1.2.1.1.1. I agree with you exert but not with Malcolm (or your carry-through to Malcolm). The difference is in the Means to the End of "no patent for you.". Malcolm would have this be a matter of patent eligibilityas opposed to it being a matter of patentability (the legal requirements of 102/103/112).
Get PricePatents Assigned to General Refractories CompanyJustia
JustiaPatentsPatents and Patent Application Resources. Abstract A coherent rigid heat stable low density low thermal conductivity strong impact resistant water repellant thermal insulation material having an average maximum linear shrinkage of 2 or less at temperatures up to 1200 gree. F. made from expanded perlite alkali metal silicate solution kaolin clay and organic fiber.
Get PriceREFRACTORY CONCRETEREFRACTARIOS ASTURIANOS PARA L
In conventional concretes (1) aggregates (2) form part with grains (3) which at most can reach 10 mm in size. In the refractory concrete (4) of the invention there are also granules (5) which can reach 60 mm in size participating specifically grains (5) lying between 10 and 60 mm in a proportion which can attain 60 of the total of the granulometry.
Get PriceEPA1Refractory concrete Google Patents
EPA1 EPA EPA EPA1 EP A1 EP A1 EP A1 EP A EP A EP A EP A EP A EP A EP A1 EP A1 EP A1 Authority EP European Patent Office Prior art keywords composition aggregates refractory amount content Prior art date Legal
Get PriceTuyere blocks of vertical reactor furnacesSavoie
The refractory concretes which may be used are those described in French Patent 2 390 400 or the corresponding German Patent 759 809 the teachings of which are incorporated herein by reference with the exception of the concretes containing carbon the presence of which is to be avoided.
Get PriceREFRACTORY CONCRETEREFRACTARIOS ASTURIANOS PARA L
In conventional concretes (1) aggregates (2) form part with grains (3) which at most can reach 10 mm in size. In the refractory concrete (4) of the invention there are also granules (5) which can reach 60 mm in size participating specifically grains (5) lying between 10 and 60 mm in a proportion which can attain 60 of the total of the granulometry.
Get PriceTuyere blocks of vertical reactor furnacesSavoie
The refractory concretes which may be used are those described in French Patent 2 390 400 or the corresponding German Patent 759 809 the teachings of which are incorporated herein by reference with the exception of the concretes containing carbon the presence of which is to be avoided.
Get PriceRefractory concretesThe United States of America as
Additionally La 2 O 3 does not react with acids such as HNO 3 to form plasters but does form a concrete when contacted with NH 4 NO 3 according to this invention. Generally the concretes of this invention have about the same pore diameter and apparent specific gravity as the corresponding Ser. No. 617 126 oxide-acid plasters.
Get PriceChromia Refractory Brick with Carbon Treatment for
Research is active on the development of a chromia refractory brick composed principally of Cr 2 O 3 Al 2 O 3 and carbon deposits for operation in the slagging environment of a gasifier operating at temperatures between 1250°C and 1575°C pressures between 300 and 1000 psi and oxygen partial pressures between 10-4 and 10-10.This invention is available for licensing and/or further
Get PriceJust Patent Law Blog T 0108/14Basis for "consisting
Jul 18 2016 · "1. A silicon nitride-bonded SiC refractory which contains SiC as a main phase and a secondary bond phase essentially consisting of Si3N4 and Si2N2O along with at least one element selected from Al Ca Fe Ti Zr and Mg in terms of oxide and which has a bending strength of 150 to 300 MPa and a bulk density of 2.6 to 2.9 and which contains the at least one element selected from the
Get PriceMethod for hot pressing irregularly shaped refractory
article osti_864129 title = Method for hot pressing irregularly shaped refractory articles author = Steinkamp William E and Ballard Ambrose H abstractNote = The present invention is directed to a method for hot pressing irregularly haped refractory articles with these articles of varying thickness being provided with high uniform density and dimensional accuracy.
Get PriceRefractory concrete
SUBSTANCE refractory concrete mix is composed of corundum and/or alumino-magnesium aggregate (50-80 ) and binder (20-50 ) in the form of finely ground mixture containing 75-90 refractory component with the same makeup as aggregate 5-20 sodium tripolyphosphate and additionally 5-10 of iron-containing component with weight percentage of
Get PricePatent application title Binder for Refractory Concrete
0013 For example low-cement content refractory concretes comprising sodium phosphates or polyacrylates as adjuvant have been developed. Such concretes exhibit variations in characteristics according to the type of silica fume used and are sensitive
Get PriceUSADry phosphate refractory patents.google
The present invention is directed to a dry phosphate cement mixture and process for manufacture of same. The dry mixture includes at least Al(H 2 PO 4 ) 3 a group IIA metal bonded to oxygen and an aggregate. The process for manufacturing cement includes associating the dry reagent with a substantially polar solvent such as water. The total reagent concentration is formulated such that only
Get PriceAlkaline Earth Metaborates as Property Enhancing Agents
A significant increase in the structural strength of heated calcium aluminate refractory products such as mortar and concrete can be obtained by the addition of alkaline earth borates barium metaborate in particular and heating in the range of 500 to 1000 degrees F. to cure the refractory with an optimum strength provided at approximately 750 degrees F.
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