CA2239450A1 - A process for preparing a granular detergent - Google Patents

A process for preparing a granular detergent

Info

Publication number
CA2239450A1
CA2239450A1 CA002239450A CA2239450A CA2239450A1 CA 2239450 A1 CA2239450 A1 CA 2239450A1 CA 002239450 A CA002239450 A CA 002239450A CA 2239450 A CA2239450 A CA 2239450A CA 2239450 A1 CA2239450 A1 CA 2239450A1
Authority
CA
Canada
Prior art keywords
preparing
low shear
granular detergent
granulation
spray
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002239450A
Other languages
French (fr)
Other versions
CA2239450C (en
Inventor
Vinodkumar Ramniranjan Dhanuka
Fakhruddin Esmail Pacha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever PLC
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GBGB9526097.2A external-priority patent/GB9526097D0/en
Application filed by Individual filed Critical Individual
Publication of CA2239450A1 publication Critical patent/CA2239450A1/en
Application granted granted Critical
Publication of CA2239450C publication Critical patent/CA2239450C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/0082—Special methods for preparing compositions containing mixtures of detergents 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
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • C11D17/065—High-density particulate detergent compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Glanulating (AREA)

Abstract

A process for producing a detergent powder or a composition therefor involving partial granulation in a high or low shear granulator followed by granulation in a very low shear mixer, for example a fluid bed is disclosed. The process allows powders to be produced over a wide range of bulk densities without the use of a spray-drying step.
CA002239450A 1995-12-20 1996-12-02 A process for preparing a granular detergent Expired - Fee Related CA2239450C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9526097.2A GB9526097D0 (en) 1995-12-20 1995-12-20 Process
GB9526097.2 1995-12-20
PCT/EP1996/005582 WO1997022685A1 (en) 1995-12-20 1996-12-02 A process for preparing a granular detergent

Publications (2)

Publication Number Publication Date
CA2239450A1 true CA2239450A1 (en) 1997-06-26
CA2239450C CA2239450C (en) 2006-10-24

Family

ID=37387453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002239450A Expired - Fee Related CA2239450C (en) 1995-12-20 1996-12-02 A process for preparing a granular detergent

Country Status (1)

Country Link
CA (1) CA2239450C (en)

Also Published As

Publication number Publication date
CA2239450C (en) 2006-10-24

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed