The Procter Gamble Company

Simon Howe

Daniel James Dufton

Toan Trinh

Errol Hoffman Wahl

George Endell Deckner

Jiten Odhavji Dihora

Ellen Schmidt Baker

Janet Sue Littig

Steven Louis Diersing

David William York

Ruth Anne Murphy

Robert Gary Welch

Lois Sara Gallon

Mark William Ridyard

Malcolm McClaren Dodd

Debra Sue Caswell

Edward Sayers

Angelina Pena-Romero

Christophe Laudamiel-Pellet

Johan Eshuis

Wundriari Hoffmann

Timothy James Schroeder

Betty Jean Hensley, Legal Representative

Nigel Patrick Somerville Roberts

Hossam Hassan Tantawy

Stuart Andrew Caldwell

Betty Jean Hensley

The present invention relates to a process for preparing a spray-dried powder comprising

Spray-drying process

The present invention relates to a process for preparing a spray-dried powder comprising (i) anionic detersive surfactant; (ii) from 0 wt % to 10 wt % zeolite builder; (iii) from 0 wt % to 10 wt % phosphate builder; and (iv) optionally from 0 wt % to 15 wt % silicate salt; wherein the process comprises the steps of: (a) forming an alkaline slurry in a mixer, the slurry comprising: (v) from 0 wt % to 15 wt % anionic detersive surfactant; (vi) from 0 wt % to 35 wt % water; and (b) transferring the alkaline slurry from the mixer through at least one pump to a spray pressure nozzle; (c) contacting an acid anionic detersive surfactant precursor to the alkaline slurry after the mixer and before the spray pressure nozzle to form a mixture; (d) spraying the mixture through the spray pressure nozzle into a spray-drying tower; (e) spray-drying the mixture to form a spray-dried powder; and (f) optionally, contacting an alkalinity source with the alkaline slurry and/or the acid anionic detersive surfactant precursor, and/or the mixture.

Compositions, articles and methods are provided for supplying fabric care benefits to clothing or fabrics in an automated washing machine and by manual washing. The fabric care compositions preferably have less than about 5% detergent surfactants, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. Similarly, the fabric care compositions preferably have less than about 5% fabric softener actives, more preferably less than 3%, even more preferably less than 1% and are most preferably free of detergent surfactants. The laundry articles can take a variety of forms in a variety of physical states all of which will rapidly dispense a unitized amount of one or more selected fabric care agents to a wash and/or rinse bath solution during the laundering process under a variety of conditions. The invention also pertains to laundry kits that contain a variety of such articles and instructions concerning their use. Likewise, methods for preparing a customized laundry solution to obtain a specific fabric care benefit selected based on the user's personal preferences and/or the fabric care needs of the fabrics being laundered are also provided. Further, the present invention also concerns methods for assisting a consumer in identifying the unitized articles to be used in preparing a laundry solution that will impart desired fabric care benefits as well as merchandising displays for dispensing the articles, assembling customized laundry kits and instructing the consumer on the selection and use of laundry articles.

Laundry system having unitized dosing

The present invention relates to a process for preparing a water-soluble foam matrix which is capable of delivering an active ingredient and articles of manufacture comprising said foam matrix, said article comprising:

Process for making a water-soluble foam component

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South Shields, United Kingdom

Simon Howe