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Cleaning compositions

A composition, mineral oil technology, applied in detergent compositions, organic detergent compositions, chemical instruments and methods, etc., can solve problems such as defects in solubility characteristics

Inactive Publication Date: 2006-12-20
RECKITT BENCKISER (UK) LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, there are various processing defects in the production of such blocks as described in these patents or known in the related art, or defects in the dissolution characteristics of such blocks

Method used

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  • Cleaning compositions
  • Cleaning compositions
  • Cleaning compositions

Examples

Experimental program
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Effect test

Embodiment

Hydrocarbon solvents, mineral oil, 100% active by weight

[0129] Form the treatment block according to the following general process:

[0130] All dry ingredients except the bleaching ingredients were dry blended to form a premix which was then metered into the feed throat of the twin-screw extruder simultaneously with the appropriate metering of the bleaching ingredients. The twin-screw extruder is operated at lower temperature and pressure, and during mixing, a metered amount of the diester component is injected into the extruder barrel through an inlet located downstream of the feed inlet into the extruder barrel about one-third of the length. A twin-screw extruder is used to form a homogeneous mixture of solid block ingredients. The homogeneous mixture exiting the twin-screw extruder was then conveyed to the feed port of a single-screw extruder, which was used to compress the homogeneous mixture into a solid mass. Operate the single-screw extruder at a speed of...

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Abstract

Improved treatment blocks useful in the treatment of lavatory appliances, particularly toilets are provided. The improved treatment blocks are solid block compositions which comprise at least one detersive surfactant, a hydrocarbon solvent constituent, and one or more further optional constituents, including bleach constituents. The improved treatment blocks provide improved processing and handling characteristics. Methods of producing the solid block composition and treatment blocks therefrom, as well as methods of use are also disclosed.

Description

technical field [0001] The present invention relates to improved solid block treatment compositions for providing active treatment compositions to sanitary fixtures such as toilet bowls or urinals. Background technique [0002] In the cleaning and / or disinfection treatment of sanitary ware, once installed, the solid treatment block requires little or no user intervention during its effective use period, so the solid treatment block is widely used. Such solid block compositions are believed to function in an automatic fashion, the effective functioning of which depends largely on their composition, their solubility characteristics when in contact with water, and their location in the sanitary ware they are used to treat. Such solid block treatment compositions are typically used in one of two modes: either the "ITC" (or "in the tank") mode or the "ITB" (or "in the toilet") mode. When used in the former mode, the solid block treatment composition is placed in a water supply c...

Claims

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Application Information

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IPC IPC(8): C11D17/00C11D3/18
CPCC11D3/18C11D17/0056
Inventor 张德伟安德鲁·科特尼安东尼·迈克莱伦
Owner RECKITT BENCKISER (UK) LTD
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