US4828624A Cement grinding aid compositions Google Patents

US4828624A US07/081,927 US8192787A US4828624A US 4828624 A US4828624 A US 4828624A US 8192787 A US8192787 A US 8192787A US 4828624 A US4828624 A US 4828624A Authority US United States Prior art keywords glycol cement grinding weight grinding aid Prior art date 1986-10-28 Legal status (The legal status is an assumption and is not a legal conclusion.

US5429675A Grinding aid composition and cement product

1. A grinding aid composition for cement clinker grinding comprising a mixture of at least one alkylene glycol represented by the formula: HO (AO).sub.n H. wherein A represents a C 2 -C 3 alkylene and n is an integer from 1 to 5 and particulate carbon in a weight ratio of

WO2014003972A1 Cement grinding aid composition Google

A grinding aid composition for improving the efficiency of cement grinding. The grinding aid composition comprises: an alkanolamine compound that is a primary alkanolamine compound, a secondary alkanolamine compound, or a mixture thereof; and a glycol.

US20150336848A1 Cement grinding aid Google Patents

US20150336848A1 US14/410,316 US201314410316A US2015336848A1 US 20150336848 A1 US20150336848 A1 US 20150336848A1 US 201314410316 A US201314410316 A US 201314410316A US 2015336848 A1 US2015336848 A1 US 2015336848A1 Authority US United States Prior art keywords grinding aid aid composition weight percent glycol cement Prior art date 2012-06-25 Legal status

CN101898878B Cement grinding aid Google Patents

The invention discloses a cement grinding aid, comprising calcium formate solution, compound glycerol distilled residue solution, triethanolamine, diols and molasses. While the product reutilizes the industrial wastes, the components of the product synergistically act to optimize the efficacy of the grinding process and the product modifies the cement particles, thus improving the quality and

Grinding aid composition and cement product W. R. Grace

A grinding aid composition for cement clinker grinding comprising a mixture of at least one alkylene glycol represented by the formula: HO(AO) n H wherein A represents a C 2 -C 3 alkylene and n is an integer from 1 to 5 and particulate carbon in a weight ratio of alkylene glycol to carbon of 1:0.01 to 1:0.5.

CEMENT GRINDING AID COMPOSITION Dow Global

The cement mix of claim 9 comprising from 60% to 90% of the cement clinker, from 3.0% to 10.0% of the gypsum, from 0% to 36% of one or more fillers, and from 0.01% to 0.1% of the grinding aid composition, each by weight based on the total weight of the cement mix.

GCP Applied Technologies receives European patent for

Oct 19, 2018 The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

US Patent for Plant for producing cement with central

Jan 04, 2012 Justia Patents All Comminuting Zones Of Loose Grinding Body Type US Patent for Plant for producing cement with central grinding unit Patent (Patent # 9,388,073) Plant for producing cement with central grinding unit . Jan 4, 2012 KHD Humboldt Wedag GmbH. A plant for producing cement, having a first stage for crushing raw material to form raw

How to grind a Concrete Trip Hazard, Fix Raised Concrete

Mar 13, 2013 for more how to concrete videos howtocement/How-To-Grind-Concrete-Grinding-Cement.htmlthanks to OhioConcreteRepair for providin...

CEMENT GRINDING AID COMPOSITION Dow Global

The cement mix of claim 9 comprising from 60% to 90% of the cement clinker, from 3.0% to 10.0% of the gypsum, from 0% to 36% of one or more fillers, and from 0.01% to 0.1% of the grinding aid composition, each by weight based on the total weight of the cement mix.

Patent Report: US10077211 Cement grinding aids

3. The cement grinding aid of claim 1, wherein the pretreated waste antifreeze is prepared by the following method: adding an alkaline solution into waste antifreeze to regulate pH value to 8-12, adding a flocculant, and stirring and standing; separating upper-layer oil, and then filtering to remove flocculent precipitates, thus obtaining a clear mixed solution.

Cement grinding aid compositions Nalco Chemical Company

Grinding efficiency is improved in that the desired fineness of the finished cement can be achieved with fewer mill revolutions, e.g. less grinding energy. The additive also reduces the Pack Set Index of the finished cement, an indicator of the tendency of the dry cement to compact and become non-flowing.

US Patent Application for Plant for producing cement with

Jan 04, 2012 7. The plant as claimed in claim 6, wherein the first stage for crushing raw material to form raw powder and the fourth stage for crushing the sintered cement clinker to form cement are each constructed as a circulating grinding system with separators, wherein at least one gas feed line leads from the remaining stages of the plant into the first stage and into the fourth stage, and conduct gas

Cement grinding aid and set retarder Westvaco Corporation

United States Patent 4204877 . Abstract: Additives for use as grinding aids and set retarders in the manufacture of hydraulic cement composed of polyglycerol, preferably a polyglycerol selected from the group of di-, tri-, and tetraglycerol and mixtures thereof, the additive being used either alone or in combination with at least one of a water

GCP Applied Technologies receives European patent for

Oct 19, 2018 Europe: US-based company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials. The grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals.

US Patent for Plant for producing cement with central

Jan 04, 2012 Justia Patents All Comminuting Zones Of Loose Grinding Body Type US Patent for Plant for producing cement with central grinding unit Patent (Patent # 9,388,073) Plant for producing cement with central grinding unit . Jan 4, 2012 KHD Humboldt Wedag GmbH. A plant for producing cement, having a first stage for crushing raw material to form raw

:: United States Patent and Trademark Office :: Patent

USPTO patent application no. 08832973 in the United States Patent and Trademark Office. Cement Clinker Grinding Apparatus Using Vertical Roller Mill And Its Method Patent Application United States Patent and Trademark Office, Patent Application No. 08832973 Examiner Mark Rosenbaum, presiding.

Joseph Aspdin Wikipedia

Joseph Aspdin (December 1778 20 March 1855) was an English cement manufacturer who obtained the patent for Portland cement on 21 October 1824. Plaque commemorating Joseph Aspdin in the yard where he lived. Life. Aspdin (or Aspden) was the eldest of the six The grinding technology of the time consisted only of flat millstones, and it was

United States Patent and Trademark Office

Patent Center. Try the beta replacement for EFS-Web, Private PAIR and Public PAIR. Check application status. Check patent application status with public PAIR and private PAIR. Fees and payment. Pay maintenance fees and learn more about filing fees and other payments. Patent Trial & Appeal Board. Resolve disputes regarding patents with PTAB

cement grinding aid composition newest

grinding aid for low gypsum content. Patent US5429675 Grinding aid composition and cement A grinding aid composition suitable for grinding clinker into hydraulic of gypsum (calcium sulfate) in a finish grinding mill to provide a fine, One of the major classes of grinding aids used today is the oligomers of lower alkylene glycols, such as . in amounts of up to about 1.5 times

GCP Applied Technologies Receives European Patent on

Oct 18, 2018 The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

GCP Applied Technologies Receives European Patent on

Oct 18, 2018 The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding

Portland cement Wikipedia

Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout.It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin, and usually originates from limestone.It is a fine powder, produced by heating limestone and clay minerals in a kiln to form clinker

Cement grinding aid compositions Nalco Chemical Company

Grinding efficiency is improved in that the desired fineness of the finished cement can be achieved with fewer mill revolutions, e.g. less grinding energy. The additive also reduces the Pack Set Index of the finished cement, an indicator of the tendency of the dry cement to compact and become non-flowing.

GCP Applied Technologies receives European patent for

Oct 19, 2018 Europe: US-based company GCP Applied Technologies has received a European patent for increasing the efficiency of cement grinding by using sustainable raw materials. The grinding aids and quality improvers allow the use of bio-derived glycerol and reduce the use and the impact of oil-derived chemicals.

US Patent for Plant for producing cement with central

Jan 04, 2012 Justia Patents All Comminuting Zones Of Loose Grinding Body Type US Patent for Plant for producing cement with central grinding unit Patent (Patent # 9,388,073) Plant for producing cement with central grinding unit . Jan 4, 2012 KHD Humboldt Wedag GmbH. A plant for producing cement, having a first stage for crushing raw material to form raw

GCP Applied Technologies Receives European Patent on

Oct 18, 2018 The patent addresses methods for increasing the efficiency of cement and mineral grinding by using sustainable raw materials. The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding additives.

:: United States Patent and Trademark Office :: Patent

USPTO patent application no. 08832973 in the United States Patent and Trademark Office. Cement Clinker Grinding Apparatus Using Vertical Roller Mill And Its Method Patent Application United States Patent and Trademark Office, Patent Application No. 08832973 Examiner Mark Rosenbaum, presiding.

GCP Applied Technologies Receives European Patent on

Oct 18, 2018 The patent relates to methods for improving the efficiency of grinding materials such as clinker and limestone, using glycerol derived from biofuel production, in combination with various grinding

cement grinding aids patents

CN1858014A Cement grinding aids Google Patents. The cement grinding aid used for cement production consists of triethanolamine 4-20 wt%, ethylene glycol 5 -25 wt%, acetic amine 5-10 wt%, urea 22-26 wt%, unsaturated polyester resin 3-5 wt% and waste paper pulp liquid 36-44 wt%.

Joseph Aspdin Wikipedia

Joseph Aspdin (December 1778 20 March 1855) was an English cement manufacturer who obtained the patent for Portland cement on 21 October 1824. Plaque commemorating Joseph Aspdin in the yard where he lived. Life. Aspdin (or Aspden) was the eldest of the six The grinding technology of the time consisted only of flat millstones, and it was

Table of Contents

Audit Procedures for Cement Production Tax Table of Contents England who obtained a patent for his product in 1824 . The The dry process of fine grinding is accomplished with a similar set of ball or tube mills; however, water is not added during the grinding . The dry materials are stored in silos where additional mixing and blending

Patents Assigned to Procedo Enterprises Etablissement

Mar 13, 2012 Justia Patents Patents and Patent Application Resources. Abstract: A vibratory mill principally for the treatment of cement and fly ash, which mill has a grinding chamber (1) with a wall (6, 7) at each of the two ends of the chamber, which mill includes an inlet (2) for material that is to be treated and an outlet (3) at the rear wall (7) of the grinding chamber (1), at the lower part of

US Patent for Methods for grinding and polishing dried

Feb 03, 2014 Systems and methods for treating concrete, which includes the steps of wetting a surface of concrete with a amorphous colloidal silica, allowing time for the colloidal silica to penetrate the concrete surface, and cutting the surface of the concrete with a bladed tool wherein the longitudinal blade portion is positioned approximately at an angle between 30 degrees and 90 degrees relative to

cement grinding patent smokys-pizza.fr

DOE Patents Patent: Ceramicbonded abrasive grinding tools. Ceramicbonded abrasive grinding tools. cubic boron nitride, and mullite are combined with a cement primarily comprised of zinc oxide and a reactive liquid setting agent and solidified into abrasive grinding tools. Such grinding tools are particularly suitable for grinding and

GCP Applied Technologies Receives European Patent on

GCP Applied Technologies Inc. (GCP), a leading global provider of construction products technologies, is proud to announce the issuance of a patent for increasing the efficiency of cement grinding

SINTEF Building and Infrastructure Christian J. Engelsen

Grinding aids that provides these “extra” properties are called quality improvers or the name performance enhancer as we also may like to use. The grinding technology of clinker in cement production is indeed important for several reasons. Firstly, the fineness (Blaine specific surface) of the finished cement is one of the main factors that