Binding agent for solidification matrix comprising MGDA

• US 7,442,679 B2
• Filed: 04/15/2004
• Issued: 10/28/2008
• Est. Priority Date: 04/15/2004
• Status: Active Grant

• Current Assignee: Ecolab USA Incorporated (Ecolab, Inc.)
• Original Assignee: Ecolab, Inc.
• Inventors: Stolte, Roger L., Lyon, Scott Philip, Skadsberg, Ross Michael
• Primary Examiner(s): Ogden, Jr.; Necholus
• Application Number:
  US10/826,430
• Publication Number:
  US 20050233920A1
• Time in Patent Office: 1,657 Days
• Field of Search: None
• US Class Current: 510/445
• CPC Class Codes: C11D 11/0082 one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste or melt, and the process resulting in solid detergent particles such as granules, powders or beads
• CPC Class Codes: C11D 17/0047 Detergents in the form of bars or tablets
• CPC Class Codes: C11D 17/0052 Cast detergent compositions
• CPC Class Codes: C11D 17/0073 Tablets
• CPC Class Codes: C11D 3/33 Amino carboxylic acids

Abstract

Material, composition, and manufacturing method alternatives for a solidification matrix that may be used, for example, in solid cleaning compositions, or other technologies. In at least some embodiments, the solidification matrix includes a binding agent that is formed by the use of MGDA, or a salt or derivative thereof, and water to produce a solid binding agent. In some embodiments, the MGDA and water combines and can solidify to act as a binder material or binding agent dispersed throughout a solid composition that may contain other functional ingredients that provide the desired properties and/or functionality to the solid composition.

Claims

1. A binding agent for a solid composition, the binding agent consisting of:

MGDA; and

water, wherein the MGDA cooperates with the water in the formation of the binding agent and hardens to a solid form within about 1 minute to about 2 hours.

2. The binding agent of claim 1, wherein the mole ratio of water to MGDA is in the range of about 0.3:

1 to about 5;

1.

3. The binding agent of claim 1, wherein the mole ratio of water to MGDA present to form the binding agent is in the range of about 0.5:

1 to about 4;

1.

4. The binding agent of claim 1, wherein the mole ratio of water to MGDA present to form the binding agent is in the range of about 0.6:

1 to about 3.8;

1.

5. The binding agent of claim 1, wherein the water used in creating the binding agent is present in the range of up to about 25 wt. %.

6. The binding agent of claim 1, wherein the water used in creating the binding agent is present in the range of about 2 to about 20 wt. %.

7. The binding agent of claim 1, wherein the MGDA used in creating the binding agent is present in the range of up to about 98 wt. %.

8. The binding agent of claim 1, wherein the MGDA used in creating the binding agent is present in the range of about 5 to about 50 wt. %.