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.:
Date of Patent:
Nov. 09, 2010
Filed:
Feb. 11, 2008
Applicants:
Michael Gates Kinnaird, Durham, NC (US);
David Linith Rigsbee, Durham, NC (US);
Inventors:
Michael Gates Kinnaird, Durham, NC (US);
David Linith Rigsbee, Durham, NC (US);
Assignee:
Chemtek, Inc., Yanceyville, NC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B 7/00 (2006.01); B08B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Compositions for cleaning concrete or other cementitious substrates that do not contribute to the alkali-silicate reaction are provided, and methods for use thereof The cleaning compositions comprise lithium salts such as lithium hydroxide, lithium oxide and/or lithium carbonate, at least one surface active agent, optionally a glycol ether and/or hydrocarbon solvent, a sodium-free or substantially sodium-free chelating agent or agents and/or one or more adjuncts at least partially contributing to the useful properties of the composition.