Laundry scent additive

Patent metadata

Field	Value
Publication number	US-11608481-B2
Application number	US-202117471590-A
Country	US
Kind code	B2
Filing date	Sep 10, 2021
Priority date	Nov 5, 2009
Publication date	Mar 21, 2023
Grant date	Mar 21, 2023

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.

First claim

What is claimed is:

1. A method of treating laundry comprising the step of dosing to a laundry washing machine or laundry wash basin a composition comprising a plurality of pastilles comprising:
polyethylene glycol; and
free perfume;
wherein each of said pastilles has a mass from about 0.95 mg to about 2 g; and
wherein each of said pastilles has a shape of hemispherical or compressed hemispherical.

2. The method according to claim 1 , wherein said pastilles have a shape of compressed hemispherical.

3. The method according to claim 2 , wherein said pastilles comprise from about 1% to about 10% by weight of said pastilles of free perfume.

4. The method according to claim 3 , wherein said pastilles have a ratio of height to diameter of about 0.1 to about 0.4.

5. The method according to claim 4 , wherein said pastilles comprise from about 65% to about 99% by weight of said composition of polyethylene glycol.

6. The method according to claim 5 , wherein said pastilles comprise perfume microcapsules.

7. The method according to claim 6 , wherein said pastilles are contained in a package and there is a dispensing cap releasably detachable from said package and reattachable to said package and wherein said composition is dosed with said dispensing cap.

8. The method according to claim 1 , wherein said pastilles comprise dye.

9. The method according to claim 1 , wherein said pastilles have a ratio of height to diameter of about 0.1 to about 0.4.

10. The method according to claim 1 , wherein said pastilles comprise from about 1% to about 10% by weight of said pastilles of free perfume.

11. The method according to claim 1 , wherein said pastilles comprise perfume microcapsules.

12. The method according to claim 1 , wherein said pastilles have a shape of hemispherical.

13. The method according to claim 12 , wherein said pastilles comprise from about 1% to about 10% by weight of said pastilles of free perfume.

14. The method according to claim 13 , wherein said pastilles comprise from about 65% to about 99% by weight of said composition of polyethylene glycol.

15. The method according to claim 14 , wherein said pastilles are contained in a package and there is a dispensing cap releasably detachable from said package and reattachable to said package and wherein said composition is dosed with said dispensing cap.

16. The method according to claim 15 , wherein said pastilles comprise perfume microcapsules.

Assignees

• Procter & Gamble

Inventors

• Aouad Yousef Georges

Classifications

• B29C41/02

  for making articles of definite length, i.e. discrete articles · CPC title

• C11D3/3707

  Polyethers, e.g. polyalkyleneoxides · CPC title

• D06M23/12

  Processes in which the treating agent is incorporated in microcapsules (making microcapsules B01J13/02) · CPC title

• C11D3/505 Primary

  encapsulated or adsorbed on a carrier, e.g. zeolite or clay · CPC title

• D06M15/53

  Polyethers (polyacetals D06M15/39) · CPC title