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:
Jul. 17, 2012
Filed:
Jul. 06, 2011
Applicants:
Mark Rule, Roswell, GA (US);
Harry Harshaw, Marietta, GA (US);
Inventors:
Mark Rule, Roswell, GA (US);
Harry Harshaw, Marietta, GA (US);
Assignee:
H20 Barrier Technologies LLC, Marietta, GA (US);
Primary Examiner:
Int. Cl.
CPC ...
C04B 41/46 (2006.01); C04B 41/47 (2006.01); C04B 103/65 (2006.01); C09D 5/00 (2006.01); C09K 3/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method to render stone, ceramic, or cementitious structures water repellent is disclosed. The method includes the step of contacting the stone, ceramic, or cementitious structures with an alkylphosphonic acid. The alkylphosphonic acid can be dispersed in an aqueous medium and can be at least partially neutralized with ammonia, an amine, or a basic alkali salt.