|
Match
|
Document |
Document Title |
|
|
4797159 |
Expandable cement composition
Particulate magnesium oxide prepared by calcining magnesium oxide at between about 1100° C. and about 1500° C. At least about 80% of the magnesium oxide particles are between about 150 microns to...
|
|
|
4762811 |
Castable refractory
A refractory composition capable, when mixed with water, of forming a hydraulic-setting castable refractory resistant to aluminum penetration and adhesion and with good load bearing properties...
|
|
|
4741782 |
Process for forming a light-weight aggregate
A process is disclosed for forming lightweight aggregate pellets having a density of less than about 60 lbs./ft. 2 . The first step of the process is to form an admixture which includes fly ash,...
|
|
|
4710225 |
Refractory cement
A composition of refractory cement includes about 65 percent by weight of refractory clay, about 15 percent by weight of ball clay and about 20 percent by weight of calcium aluminate cement to...
|
|
|
4680279 |
Abrasion resistant refractory composition
A refractory composition characterized by relatively high abrasion resistance, good flowability and long working time, comprised of 0.5 to 5 weight percent volatilized silica, 3.0 to 15 weight...
|
|
|
4486254 |
Heat-activated patch or repair composition and system for metal
This disclosure is directed to a heat-activated patch or repair composition for metal object or surface capable of maintaining its shape at the temperatures to which it is heated to activate and...
|
|
|
4482383 |
Polyamine fluid loss additive for oil well cements
An aqueous cement composition is shown for cementing the annular space between a pipe and the surrounding bore in a well. The cement composition includes a hydraulic cement, water present in an...
|
|
|
4481037 |
Cement compositions
A cement composition which when mixed with water hydrates to form a hardened cement containing ettringite comprises a high alumina cement, beta-anhydrite and calcium oxide and/or calcium hydroxide....
|
|
|
4466833 |
Lightweight cement slurry and method of use
A foamed, cement slurry comprising an aqueous hydraulic cement slurry containing gas as discrete entrained bubbles and a specific quaternary ammonium compound as a foaming agent; and a process of...
|
|
|
4455171 |
Reactivatable set-inhibited cementitious compositions
Aqueous grouting compositions based on high alumina cement have the onset of setting delayed for upwards of one month by the incorporation therein of a set-inhibiting agent such as boric acid or...
|
|
|
4452638 |
Marker fluid composition for spotting cement in offshore wells
Cementing casing in an offshore well by displacing a drilling fluid with a settable cement slurry wherein there is injected into the annulus between the sidewall of the well and the casing ahead of...
|
|
|
4422876 |
Method for preparing plugging material
A method for preparing a plugging material of an alumina-base cement, by mechanical stirring of alumina cement with additives of the pre-rated quantities to improve the physical and mechanical...
|
|
|
4400335 |
Process for repairing refractory linings
The invention relates to a process for repairing hot refractory linings by applying a refractory composition by spraying on to the part of the lining to be repaired. The invention resides in the...
|
|
|
4377413 |
Refractory composition for flow casting
A refractory composition for flow casting consists essentially of 100 parts by weight of refractory material, 0.1 to 2 parts by weight of sparingly water-soluble aluminum tripolyphosphate, 0.2 to 3...
|
|
|
4357167 |
Methods of stowing cavities with flowable materials
A quick setting cementitious composition with good early strength characteristics contains, by volume, 1-30% of a cement mixture including Portland Cement, calcium aluminate and calcium sulphate,...
|
|
|
4352693 |
Capsules containing cementitious compositions
A capsule for use in anchoring contains as dry ingredients a so-called high alumina cement, a set retarding agent and at least one water-soluble lithium salt. The capsule has a perforated wall and...
|
|
|
4293343 |
Mortars and cements having improved freeze-thaw properties and method of achieving same
Inorganic mortars, cements, and concrete are subject to crazing, cracking and spalling when subjected to alternate freezing and thawing. The present invention significantly decreases this affect by...
|
|
|
4216022 |
Well cementing in permafrost
A composition for use in cementing a string of pipe or other apparatus in the permafrost region of a borehole of a well which composition is a dry cementitious mix which can be mixed with water on...
|
|
|
4196008 |
Aqueous gypsum composition
A composition for securing a fixing element such as a dowel in a drillhole in a rock mass comprises alpha gypsum gauged with a solution of a water-soluble salt of carboxy methyl cellulose...
|
|
|
4150189 |
Shapeable insulating material for use with molten aluminum
A composition is described for formation of shaped insulating articles compatible with and resistant to molten aluminum. The composition comprises calcium aluminate cement, chrysotile fibers,...
|
|
|
4144077 |
High temperature cement system
A high temperature cement system including a carbon-containing, low volatile material additive admixed with cement in proportions sufficient to provide a fixed carbon content of at least 0.02...
|
|
|
4126475 |
Structural building components and method for production on the basis of laterite
Production of high strength structural building components by steam curing a compressed mixture of laterite, lime and water at a temperature preferably between 70° and 100° C.
|
|
|
4120736 |
Oil well cementing process and composition
Oil well cementing compositions and processes are produced using a high efficiency sulfoalkylated lignin retarder composition and modifications thereof to produce cement compositions without...
|
|
|
4102695 |
Refractory compositions with ceramic and hydraulic setting
This refractory composition is of the type comprising refractory aggregat aluminous cements and additives. 80 to 94% of a mixture of 39 parts of aggregates of 2 to 5 mm, 30 parts of aggregates of...
|
|
|
4101333 |
Method of mine backfilling and material therefor
A method of backfilling in underground mine operations by a mill tailings slurry which is dewatered to provide a material with a controlled water content to permit the dewatered material to be used...
|
|
|
4100115 |
High-temperature insulation composite molded product
A cellular high-temperature insulation composite molded product comprising the molded and cured product obtained by preparing a mixture of (1) a dry blend of (a) expanded perlite, (b) a...
|
|
|
4056398 |
Plastic refractory composition suitable for placement by vibrating and the use thereof
High alumina, phosphate containing refractory plastic composition suitable for placement by mechanical vibration using molding techniques are maximized in density and shelf life while requiring...
|
|
|
3947283 |
Method for solidifying sludge
A sludge having a water/solid high ratio and containing a substance having a harmful influence upon the setting of portland cement is solidified by mixing the sludge with rapid hardening cement...
|
|
|
3923531 |
Carbon composition and shaped article made therefrom
Particles of carbon mixed with silicon and a bonding amount of calcium aluminate or Portland type cement. Other refractory materials and pitch may also be present. The composition is mixed with...
|
|
|
3915719 |
Binders for concrete and concretes utilizing said binders
Concrete comprises binder containing 3 to 12% of an aluminous cement having little free lime, from 4.56 to 9.73% of a phyllite clay having a base-exchange capacity of at most 10 milliequivalents...
|
|
|
3854966 |
CASTABLE REFRACTORIES FOR THE USE OF AN IMPELLER TO STIR MOLTEN PIG IRON TO WHICH AN ALKALINE ADDITIVE IS ADDED
Castable refractories for use as an impeller to stir molten pig iron to which an alkaline additive is added comprising chamotte, aluminous cement and optionally chromium oxide, said chamotte being...
|
|
|
3802894 |
HYDRAULICALLY SETTING REFRACTORY COMPOSITIONS
The invention provides novel hydraulically setting refractory compositions comprising a small proportion of hydraulic alumina cement, a pulverulent refractory material, a fluidizing and/or...
|
|
|
3790394 |
CONCRETES AND REINFORCED CONCRETES WITH A LOW EXPANSION COEFFICIENT
Concrete is known to have a significant heat expansion coefficient, of about 12.10 -6 m/m/°C, which has to be considered in designing structures and which can also affect the cost of such...
|
|
|
3772045 |
ADDITIVE CEMENT COMPOSITIONS AND METHOD
An additive composition for enhancing the properties of hydraulic cement compositions, and a hydraulic cement composition of enhanced properties, particularly useful in the cementing of wells, and...
|
|
|
3718489 |
INSULATING CASTABLE
The disclosure concerns an insulating refractory castable useable at temperatures above 2,800°F., and specifically an insulating refractory castable useable at 3,000°F. which has a bulk density...
|
|
|
3662830 |
AQUEOUS HYDRAULIC CEMENT COMPOSITION HAVING IMPROVED RETARDATION TO SET AND USE THEREOF IN HIGH TEMPERATURE ENVIRONMENTS
In a method of cementing at relatively high ambient temperatures employing an aqueous hydraulic cement slurry, the improvement comprising admixing therewith an effective amount of both (1) a salt...
|
|
|
3489581 |
REFRACTORY AND METHOD OF MAKING
|
|
|
3483007 |
AQUEOUS CEMENT SLURRY AND METHOD OF USE
|
|
|
3409080 |
Aqueous cementing composition adaptable to high turbulent flow and method of cementing a well using same
|
|
|
3341339 |
Lightweight castable refractory composition
|
|
|
3313638 |
Castable refractory
|
|
|
3311686 |
Refractory shape and process of making same
|
|
|
3226240 |
Calcium aluminate cement composition
|
|
|
3215549 |
Binding composition and method of making same
|
|
|
3181959 |
Refractory
|
|
|
3164482 |
Refractory lining
|
|
|
3817770 |
Title is not available
|
|
|
3674533 |
Title is not available
|