The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 16, 2014

Filed:

Jan. 26, 2011
Applicants:

Hamid Soltanian, Tehran, IR;

Ali Reza Mortazavi, Tehran, IR;

Mohammad Javad Modjtahedi, Tehran, IR;

Mahmoud Reza Badamaki, Tehran, IR;

Ali Mesbah, Varamin, IR;

Ali Reza Khoshniyat, Tehran, IR;

Mohammad Reza Kamali, Tehran, IR;

Inventors:

Hamid Soltanian, Tehran, IR;

Ali Reza Mortazavi, Tehran, IR;

Mohammad Javad Modjtahedi, Tehran, IR;

Mahmoud Reza Badamaki, Tehran, IR;

Ali Mesbah, Varamin, IR;

Ali Reza Khoshniyat, Tehran, IR;

Mohammad Reza Kamali, Tehran, IR;

Assignee:

RIPI, Tehran, IR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 14/04 (2006.01); B82Y 30/00 (2011.01); C09K 8/473 (2006.01); C04B 28/02 (2006.01); C04B 111/40 (2006.01);
U.S. Cl.
CPC ...
C09K 8/473 (2013.01); B82Y 30/00 (2013.01); C04B 2111/40 (2013.01); C04B 28/02 (2013.01);
Abstract

Light to ultra-light cement compositions with modified rheological properties. The cement composition includes cement, hydrophobic nano-silica, at least one additive and a sufficient amount of water to make a cement slurry with high compressive strength, low porosity, low free water, and low fluid loss with a quick thickening time.


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