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:
Mar. 16, 1993
Filed:
Jul. 26, 1991
Applicant:
Inventor:
Alfonzo L Wilson, Cleveland Heights, OH (US);
Assignee:
Specrete-IP Incorporated, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D / ; C04B / ;
U.S. Cl.
CPC ...
405266 ; 405263 ; 405267 ; 106641 ; 106814 ;
Abstract
Aluminum leafing flakes for expanding grout are adhered to microparticles to distribute the flakes in dry and wet grouts. The flakes have a protective coating sensitive to the alkalinity of dry and wet grouts alkaline. The coated flake carrying microparticles may be blended and stored with dry grouts or used directly with wet grouts as part of a fluidifier for the grout.