Cleaning compositions in the form of a tablet

• US 6,608,022 B1
• Filed: 01/27/2003
• Issued: 08/19/2003
• Est. Priority Date: 01/27/2003
• Status: Expired due to Term

• Current Assignee: Colgate-Palmolive Company
• Original Assignee: Colgate-Palmolive Company
• Inventors: Fletcher, John, Zabarylo, Steve
• Primary Examiner(s): DELCOTTO, GREGORY R
• Application Number:
  US10/351,818
• Time in Patent Office: 204 Days
• Field of Search: 510/191, 510/192, 510/224, 510/446, 510/471, 510/506, 510/507, 510/509, 510/511, 510/476, 510/477, 510/488
• US Class Current: 510/446
• CPC Class Codes: C11D 1/72 Ethers of polyoxyalkylene glycols
• CPC Class Codes: C11D 1/83 Mixtures of non-ionic with anionic compounds
• CPC Class Codes: C11D 17/0073 Tablets
• CPC Class Codes: C11D 17/0078 Multilayered tablets
• CPC Class Codes: C11D 3/10 Carbonates ; Bicarbonates
• CPC Class Codes: C11D 3/124 Silicon containing, e.g. silica, silex, quartz or glass beads
• CPC Class Codes: C11D 3/1253 Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
• CPC Class Codes: C11D 3/2082 Polycarboxylic acids-salts thereof
• CPC Class Codes: C11D 3/2086 Hydroxy carboxylic acids-salts thereof
• CPC Class Codes: C11D 3/225 etherified, e.g. CMC
• CPC Class Codes: C11D 3/3707 Polyethers, e.g. polyalkyleneoxides
• CPC Class Codes: C11D 3/39 Organic or inorganic per-compounds
• CPC Class Codes: C11D 3/40 Dyes ; Pigments

Abstract

A water soluble tablet comprising a cleaning composition which contains a bleach.

Claims

1. A multi-layered cleaning tablet which comprises approximately by weight:

(a) 25% to 50% of lactic acid;

(b) 10% to 45% of an alkali metal bicarbonate;

(c) 0.5% to 15% of bentonite clay containing a blue, green or pink dye;

(d) 1% to 10% of at least one anionic surfactant;

(e) 0.5% to 7% of a microcrystalline methyl cellulose;

(f) 5% to 25% of an alkali metal carbonate;

(g) 1% to 20% of a bleach containing compound;

(h) 0.1% to 2.5% of a precipitated silica;

(i) 0.1% to 3% of a polyethylene glycol having a molecular weight of 300 to 1000;

(j) 0.3% to 9% of an ethoxylated nonionic surfactant;

(k) 0.5% to 10% of adipic acid; and

(l) 0.005% to 0.3% of a blue dye or a green dye.

2. A cleaning tablet according to claim 1 further including a perfume.