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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.

Patent No.:

US 8864905 B1

PDFFull Text
Expired
Date of Patent:
Oct. 21, 2014

Filed:

Sep. 28, 2011

Use of carboxymethyl chitosans as additives in agglomerating compositions

Applicants:

Jose Ignacio Alvarez Galindo, Pamplona, ES;

Jose Maria Fernandez, Pamplona, ES;

Maria Lasheras Zubiate, Pamplona, ES;

Inigo Navarro Blasco, Pamplona, ES;

Inventors:

Jose Ignacio Alvarez Galindo, Pamplona, ES;

Jose Maria Fernandez, Pamplona, ES;

Maria Lasheras Zubiate, Pamplona, ES;

Inigo Navarro Blasco, Pamplona, ES;

Assignee:

Universidad De Navarra, Pamplona (Navarra), ES;

Attorney:

Kramer Levin Naftalis & Frankel LLP

Primary Examiner:

Anthony J Green

Int. Cl.
CPC ...
C04B 16/04 (2006.01); C04B 26/28 (2006.01); C04B 24/38 (2006.01); C04B 24/10 (2006.01); C08B 37/08 (2006.01); C09J 105/08 (2006.01); C08L 5/08 (2006.01); C04B 103/00 (2006.01); C04B 103/12 (2006.01);
U.S. Cl.
CPC ...
C04B 24/10 (2013.01); C08B 37/003 (2013.01); C04B 2103/008 (2013.01); C09J 105/08 (2013.01); C08L 5/08 (2013.01); C04B 2103/12 (2013.01); C04B 24/38 (2013.01);
Abstract

The present invention belongs to the field of binder compositions for construction, more specifically it relates to the use of carboxymethylchitosan as flocculating additive and setting accelerator in binder compositions of the cement, cement mortar, concrete, grout, stucco and similar type. The invention also relates to binder compositions comprising carboxymethylchitosan, as well as to the method for their preparation.

Find Patent Forward Citations

Alvarez Galindo, Jose. (2014). Use of carboxymethyl chitosans as additives in agglomerating compositions (U.S. Patent No. 8864905). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8864905

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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