Back to results
US 10,308,900 B2Granted
Occult particles for use in granular laundry care compositions
AssigneeMilliken & Company
InventorsGregory E. Fernandes, Raj Vachhani
Life of this patent
Estimating the term…
Abstract
This invention relates to non-bleeding, non-staining occult particles for use in granular or powdered laundry care compositions such as laundry detergents, laundry aids, and fabric care compositions. The occult particles are comprised of a clay carrier and a coloring agent and are characterized as being substantially indiscernible when contained in the laundry care composition.
Claims29
An occult particle comprising:
- a) a majority by weight of at least one carrier material, and
- b) at least one color premix material, wherein the color premix material is comprised of:
- (i) At least one cut color wherein the cut color contains less than 25 wt % of a tertiary aromatic amine, and
- (ii) At least one diluent having R>1, wherein the at least one diluent is selected from glycerol, propylene carbonate, ethylene glycol and mixtures thereof, and
- wherein the at least one carrier material and the at least one color premix material form a carrier-color premix composite;
- and
- wherein the carrier-color premix composite is substantially indiscernible in a non-colored granular or powdered laundry care composition.
4 more elements
Dependencies are inferred from the claim text.