The Procter Gamble Company

Laurent D Keiken

Mark Robert Sivik

Eduardo Torres

Dominick Joseph Valenti

Patrick D Moore

Eugene Steven Sadlowski

Kevin Lee Kott

Brian Joseph Loughnane

Keith Homer Baker

Michael David Cummings

Donna D'Angelo Morrall

Robert L Mahaffey

Manuela Javet

Leonard J Starks

Michael A Valenti

Muill Lim

Mu-ill Lim

Xiayong Michael Hong

This invention relates to novel whitening agents for cellulosic substrates. The whitening agents are comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. The whitening agents are further characterized by having a dispersion component value of the Hansen Solubility Parameter of less than or equal to about 17 MPa. This invention also relates to laundry care compositions including but not limited to liquid and/or powder laundry detergent formulations and rinse added fabric softening (RAFS) compositions that comprise such whitening agents.

Whitening agents for cellulosic substrates

The present invention relates to thiazolium dyes, laundry care compositions comprising one or more thiazolium dyes, processes of making such dyes and laundry care compositions and methods of using same. The dyes, compositions and methods of the present invention are advantageous in providing improved hueing of fabric, including whitening of white fabric, while avoiding significant build up of bluing dyes on the fabric.

Laundry care compositions with thiazolium dye

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Greenville, SC, United States of America

Laurent D Keiken