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US 8,476,219 B2Granted
Laundry scent additive
AssigneeThe Procter & Gamble Company
InventorYousef Georges Aouad
Life of this patent
Estimating the term…
Abstract
A laundry scent additive having polyethylene glycol and perfume. The laundry scent additive enables consumers to control the amount of scent imparted to their laundry.
Claims9
A method of making a composition comprising the steps of:
- providing a viscous material having a glass transition temperature, said viscous material comprising:
- (a) from about 65% to about 99% by weight of said composition of polyethylene glycol;
- (b) from about 2% to about 12% by weight of said composition free perfume;
- and
- (c) from about 2% to about 12% by weight of said composition of a perfume microcapsule, wherein said perfume microcapsule comprises encapsulated perfume;
- providing said viscous material at a processing temperature less than about 20 degrees Celsius higher than said glass transition temperature;
- and
- passing said viscous material through small openings and onto a moving conveyor surface upon which said viscous material is cooled below said glass transition temperature to form a plurality of pastilles.
5 more elements
Dependencies are inferred from the claim text.