portland type cement patents and patent applications

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Portland Type Cement Patents and Patent Applications ...

Feb 05, 2021  for Portland Type Cement Patents and Patent Applications (Class 106/713) Filed with the USPTO

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Portland Type Cement Patents and Patent Applications ...

Patent number: 5378278 Abstract: A cement composition for temporary, environmentally sound structures, including berms for erosion and flood control, comprising portland cement, flyash, sodium silicate, water and aggregate in predetermined amounts to obtain a pumpable cement composition having less than 2 inches of slump and a 28 day ...

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Portland Type Cement Patents and Patent Applications ...

Nov 19, 2020  for Portland Type Cement Patents and Patent Applications (Class 106/709) Filed with the USPTO. Log In Sign Up. Find a Lawyer; ... Portland Type Cement Patents (Class 106/709) ... Type: Application Filed: September 13, 2007 ...

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US4319927A - Portland-type cements - Google Patents

The present invention relates to a hydraulic cement composition having a boron- and halogen-containing component and unusually high full term as well as early strengths and acceptable setting time characteristics, which cement is characterized by the presence, as hydraulically settable calcium silicates, of about 20-70 percent of alpha-prime dicalcium silicate (α'--C 2 S)

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DE2351116A1 - PORTLAND TYPE CEMENT ... -

type cement portland type portland cement Prior art date 1972-10-11 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number DE19732351116 Other languages German (de) Other versions ...

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US3883361A - Portland cements - Google Patents

A cement of the Portland type comprising at least a proportion of a clinker ground to a specific surface of 250-550 M2/Kg and having a microstructure predominantly comprising alite crystals containing globular inclusions of free lime, the free lime content of the clinker being at least 2% by weight and predominantly formed by the globular inclusions in the alite crystals.

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Portland Cement Patent 1824 - Intriguing history

Oct 07, 2011  The 1824 patent for portland cement, an immensely important patent that allowed us the docks, the sewers and tunnels under the Thames. English mason and building contractor Joseph Aspdin of Leeds in Yorkshire patents Portland cement in 1824.

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WO2006034487A1 - Manufacture of portland cement

Spent Claus catalyst having a high alumina content is used as an ingredient in the manufacture of Portland cements in place of all or a portion of a conventional source of alumina. The spent Claus catalyst is preferably of a small particle size and can be ground to the desired fineness before mixing with the other ingredients that are heated in a conventional kiln to produce the cement ...

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TWI634095B - Environmentally friendly portland cement ...

This application relates to environmentally friendly Portland raw meal and clinker prepared using chemical mechanical polishing (CMP) waste and a method for preparing the same. This application also relates to the application of environmentally friendly Portland cement clinker, for example as a concrete raw material.

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US4319927A - Portland-type cements - Google Patents

The present invention relates to a hydraulic cement composition having a boron- and halogen-containing component and unusually high full term as well as early strengths and acceptable setting time characteristics, which cement is characterized by the presence, as hydraulically settable calcium silicates, of about 20-70 percent of alpha-prime dicalcium silicate (α'--C 2 S)

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DE2351116A1 - PORTLAND TYPE CEMENT ... - patents.google

type cement portland type portland cement Prior art date 1972-10-11 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number DE19732351116 Other languages German (de) Other versions ...

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9 Types of Portland Cement and their Applications - Home ...

Type I and II are the most common types of Portland cement in the US. Together, they account for more than 92% of the total cement production. Portland cement, contrary to popular belief, is not a brand of cement, but the most common type which is used as an ingredient in concrete and mortar all around the world.

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Portland cement and method of retarding the setting rate ...

US Patents/Apps Other ... It is an object of my invention to provide a Portland or Portland type of cement to which nl a small proportion of a very effective setting rate retarder has been added, so that a grout made with this cement has a greatly prolonged setting rate and after hardening has a high strength. ... apparatus is designed to ...

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Aluminate-enhanced type I Portland cements with short ...

Cementitious reactive powders of the slurry include the Type I Portland cement and 0.1-10 wt. % of the aluminate additive as an accelerator. The slurries may have a set time of about 10 minutes or less. Due to the short set time, the cementitious reactive powders may facilitate cement board fabrication by continuous manufacturing processes.

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Galal Fares Inventions, Patents and Patent Applications ...

Sep 07, 2018  Galal Fares has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO). Low cement content strain-hardening cementitious composite. Patent number: 10301218.

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Portland Type Cement - freshpatents

Portland Type Cement Portland Type Cement patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Portland Type Cement - Titanium, Vanadium, Chromium ...

Patents and inventions related to 106733000, Portland Type Cement - Titanium, Vanadium, Chromium, Molybdenum, Tungsten, Manganese, Iron, Copper, Zinc, Tin Or Lead ...

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Patents - National Council for Cement and Building Materials

Aug 17, 2021  Details of NCB patents obtained/filed PATENTS OBTAINED Sl. No. Patent No. Title Names of Inventors 1 138395 Impermeable Bag for Mechanical Packing of Cement (CRI-C Type Bag) Dr. H C Visvesvaraya Sh. M V R Rao 2 143261 A Rotary Feeder Dr. H C Visvesvaraya Sh. V K Jain Sh. S K Continue reading Patents →

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Process for producing low porosity cement - Patent US ...

A method is disclosed for making low-porosity, free-flowing cement pastes with extended set times, improved workability and reduced expansion due to alkali aggregate reactions, by combining hydraulic cements, especially Portland-type cements, ground without gypsum with from 0.1% to about 1.0% of an alkali or alkaline earth lignosulfonate or sulfonated lignin,

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Cement Types - Portland Cement Association

Type IP Portland-Pozzonlan Cement Type IT Ternary Blended Cement. In addition, some blended cements have special performance properties verified by additional testing. These are designated by letters in parentheses following the cement type. For example Type IP(MS) is a portland-pozzolan cement with moderate sulfate resistance properties.

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Safety Data Sheet Norcem Portland Cements Cem I Og Ii

Portland Cements Cem I Og Ii Safety Data Sheet Norcem Portland Cements ... EuropeDisposal TechniquesConcrete PlanetIndex of Patents Issued from the United States Patent OfficeCorrosion Inhibitors for Steel in ConcreteChemical ... impact of use of calcined clays in cement and concrete, and field applications.

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Nanotechnology in the cement industry - a patent analysis

Dec 17, 2012  Fig. 2: Classification of patents based on the type of nano-enabled cement. Geographical Distribution: China is the world leader of patent filings, their 154 patent applications contributing 41% of overall filings, representing the major and active RD player in the area of nano-based cementitious materials.

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Portland cement and method of retarding the setting rate ...

US Patents/Apps Other ... It is an object of my invention to provide a Portland or Portland type of cement to which nl a small proportion of a very effective setting rate retarder has been added, so that a grout made with this cement has a greatly prolonged setting rate and after hardening has a high strength. ... apparatus is designed to ...

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Aluminate-enhanced type I Portland cements with short ...

Cementitious reactive powders of the slurry include the Type I Portland cement and 0.1-10 wt. % of the aluminate additive as an accelerator. The slurries may have a set time of about 10 minutes or less. Due to the short set time, the cementitious reactive powders may facilitate cement board fabrication by continuous manufacturing processes.

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Joseph Aspdin - obtained the patent for Portland cement ...

STANDARD POST TYPE. Joseph Aspdin (December? 1778 – 20 March 1855) was a British cement manufacturer who obtained the patent for Portland cement on 21 October 1824. Joseph Aspdin (or Aspden) was the eldest of the six children of Thomas Aspdin, a bricklayer living in the Hunslet district of Leeds, Yorkshire. He was baptized on Christmas Day, 1788.

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Portland cement for SO/sub 2/ control in coal ... - OSTI.GOV

@article{osti_5688015, title = {Portland cement for SO/sub 2/ control in coal-fired power plants}, author = {Steinberg, M}, abstractNote = {A method is described for removing oxides of sulfur from the emissions of fossil fuel combustion by injecting portland cement into the boiler with the fuel, the combustion air, or downstream with the combustion gases.

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Portland Cement - an overview ScienceDirect Topics

Type 1—Normal portland cement. Type 1 is a general use cement. Type 2—Used for structures in water or soil containing moderate amounts of sulfate, or when heat buildup is a concern. Type 3—High-early strength. Used when high strengths are desired at very early periods. Type 4—Low-heat portland cement. Used where the amount and rate of ...

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Cement developer secures U.S. patent for alkaline ...

Jul 09, 2021  Cement developer secures U.S. patent for alkaline ettringitic powder. After nearly three years of examination, the United States Patent Office has validated the Hoffman Green Cement Technologies H-EVA patent (US 2021/0179492 A1). Promoted as an alternative to portland cement for ready mixed concrete, mortars and plaster, H-EVA encompasses ...

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Safety Data Sheet Norcem Portland Cements Cem I Og Ii

Portland Cements Cem I Og Ii Safety Data Sheet Norcem Portland Cements ... EuropeDisposal TechniquesConcrete PlanetIndex of Patents Issued from the United States Patent OfficeCorrosion Inhibitors for Steel in ConcreteChemical ... impact of use of calcined clays in cement and concrete, and field applications.

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Patents - National Council for Cement and Building Materials

Aug 17, 2021  Details of NCB patents obtained/filed PATENTS OBTAINED Sl. No. Patent No. Title Names of Inventors 1 138395 Impermeable Bag for Mechanical Packing of Cement (CRI-C Type Bag) Dr. H C Visvesvaraya Sh. M V R Rao 2 143261 A Rotary Feeder Dr. H C Visvesvaraya Sh. V K Jain Sh. S K Continue reading Patents →

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Reinforced cement sheet product containing wollastonite ...

This web page summarizes information in PubChem about patent CA-1185275-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.

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Nanotechnology in the cement industry - a patent analysis

Dec 17, 2012  Fig. 2: Classification of patents based on the type of nano-enabled cement. Geographical Distribution: China is the world leader of patent filings, their 154 patent applications contributing 41% of overall filings, representing the major and active RD player in the area of nano-based cementitious materials.

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Quick hardening cement - Patent JP-H01290543-A - PubChem

Patent: JP-H01290543-A: Inventor: TAKANO YUKIO. SAKAMAKI KATSUYUKI. KITSUTA KAZUTOMI. Assignee: CHICHIBU CEMENT KK. Date

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Processing system for manufacturing of composite ...

May 13, 2004  This web page summarizes information in PubChem about patent WO-2005110945-A1. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help

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Cement Concrete - Portland Cement Association

Cement Concrete. In its simplest form, concrete is a mixture of paste and aggregates. The paste, composed of portland cement and water, coats the surface of the fine and coarse aggregates. Through a chemical reaction called hydration, the paste hardens and gains strength to form the rock-like mass known as concrete.

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