IP Library Granted Patent US 11,608,481
Granted Patent B2
US 11,608,481 · App. 17/471,590 · Granted Mar 21, 2023

Laundry scent additive

Inventor: Yousef Georges Aouad (Cincinnati, OH)
Assignee: The Procter & Gamble Company
C11D3/505B29C41/02C11D3/2068C11D3/3707C11D11/0017D06M13/005D06M15/53D06M23/12
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Quick Facts
Patent No.
US 11,608,481
App. No.
17/471,590
Granted
Mar 21, 2023
Kind
B2
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.

Claims (20)

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.

Priority Claims (1)
CA CA 2682636 · Nov 5, 2009 · national
Continuity (6)
Continuation 16201596 · Nov 27, 2018
Continuation 15626482 · Jun 19, 2017
Continuation 13908514 · Jun 3, 2013
Continuation 13462157 · May 2, 2012
Continuation PCTUS2010055398 · Nov 4, 2010
Related Publication 20210403835A1 · Dec 30, 2021
Cited By (1)
US 12,319,898