William P Yocum

US Patent:

6596072, Jul 22, 2003

Filed:

Mar 18, 2002

Appl. No.:

10/100390

Inventors:

Jack Dunnous - Philadelphia PA
William J. Yocum - Souderton PA

Assignee:

Hamburger Color Company - King of Prussia PA

International Classification:

C09C 122

US Classification:

106456, 106418

Abstract:

Pigment-containing granules for use in coloring cement. The granules comprise at least one pigment selected from the group consisting of maganese oxide and iron oxide and a binder. The binder is a hydrophilic clay, and is preferably pozzolan.

US Patent:

6695990, Feb 24, 2004

Filed:

Mar 21, 2003

Appl. No.:

10/394881

Inventors:

Jack Dunnous - Philadelphia PA
William J. Yocum - Souderton PA

Assignee:

Hamburger Color Company - King of Prussia PA

International Classification:

B29B 900

US Classification:

264 12, 264 13, 106456

Abstract:

Pigment-containing granules for use in coloring cement. The granules comprise at least one pigment selected from the group consisting of maganese oxide and iron oxide and a binder. The binder is a hydrophilic clay, and is preferably pozzolan.

US Patent:

20040121082, Jun 24, 2004

Filed:

Jul 22, 2003

Appl. No.:

10/624810

Inventors:

Jack Dunnous - Philadelphia PA, US
William Yocum - Souderton PA, US

International Classification:

B05D001/02
B05D005/00

US Classification:

427/421000, 427/256000, 118/300000

Abstract:

A method for producing multi-color concrete is provided which includes the steps of providing a pigment water dispersion, providing a polymer binding agent, mixing the pigment water dispersion and the polymer binding agent to form a first spray color dispersion, discharging a wet concrete mix from a vessel, spraying the first spray color dispersion onto the wet concrete mix discharging from the vessel to form a pattern of applied color in the wet concrete mix, and forming a resultant structure of cured concrete. A system for coloring concrete based on the above method is also provided.