Laundry scent additive

• US 9,453,189 B2
• Filed: 10/06/2015
• Issued: 09/27/2016
• Est. Priority Date: 11/05/2009
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Aouad, Yousef Georges
• Primary Examiner(s): Choi, Ling
• Assistant Examiner(s): Reuther, Lanee
• Application Number:
  US14/876,249
• Publication Number:
  US 20160024443A1
• Time in Patent Office: 357 Days
• Field of Search: 512/4
• US Class Current: 1/1
• CPC Class Codes: A61K 8/84 obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
• CPC Class Codes: B29C 41/02 for making articles of definite length, i.e. discrete articles
• CPC Class Codes: B65D 83/06 for dispensing powdered or granular material B65D83/04 takes precedence
• CPC Class Codes: C11D 17/046 Insoluble free body dispenser
• CPC Class Codes: C11D 2111/12 Soft surfaces, e.g. textile
• CPC Class Codes: C11D 3/128 Aluminium silicates, e.g. zeolites C11D3/1253 takes precedence
• CPC Class Codes: C11D 3/2068 Ethers
• CPC Class Codes: C11D 3/2072 Aldehydes-ketones
• CPC Class Codes: C11D 3/2093 Esters; Carbonates
• CPC Class Codes: C11D 3/3707 Polyethers, e.g. polyalkyleneoxides
• CPC Class Codes: C11D 3/40 Dyes ; Pigments
• CPC Class Codes: C11D 3/505 encapsulated or adsorbed on a carrier, e.g. zeolite or clay
• CPC Class Codes: D06M 13/005 Compositions containing perfumes; Compositions containing deodorants
• CPC Class Codes: D06M 15/53 Polyethers polyacetals D06M15/39
• CPC Class Codes: D06M 23/12 Processes in which the treating agent is incorporated in microcapsules making microcapsules B01J13/02

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

1. A composition comprising a plurality of pastilles, said pastilles comprising:

(a) polyethylene glycol; and

(b) friable perfume microcapsules, wherein said perfume microcapsules comprise encapsulated 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 composition according to claim 1, wherein said pastilles are contained in a package having a dispensing cap releasably detachable from said package and reattachable to said package;

and wherein said perfume microcapsules encapsulate from about 0.6% to about 4% by weight of said pastilles of perfume.

3. The composition according to claim 1, wherein said pastilles are contained in a package and there is a dispensing cap releasably detachable from said package and reattachable to said package.

4. The composition according to claim 3, wherein each of said pastilles has a shape of compressed hemispherical.

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

6. The composition according to claim 1, wherein said pastilles comprise free perfume.

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

8. The composition according to claim 1, wherein each of said pastilles has a shape of compressed hemispherical.

9. The composition according to claim 1, wherein said perfume microcapsules encapsulate from about 0.6% to about 4% by weight of said pastilles of perfume.

10. A unit dose of a fabric treatment composition comprising a plurality of pastilles, wherein said pastilles comprise:

(a) polyethylene glycol; and

(b) friable perfume microcapsule, wherein said perfume microcapsule comprises encapsulated perfume;

wherein each of said pastilles has a mass from about 0.95 mg to about 2 g;

wherein said plurality of pastilles has a mass of from about 13 to about 27 g to comprise said unit dose, and wherein each of said pastilles has a shape of hemispherical or compressed hemispherical.

11. The unit dose according to claim 10, wherein said pastilles comprise free perfume.

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

13. The unit dose according to claim 10, wherein said perfume microcapsules encapsulate from about 0.6% to about 4% by weight of said composition of perfume.

14. The unit dose according to claim 10, wherein said pastilles comprise from about 65% to about 99% by weight of said composition of polyethylene glycol.

15. The unit dose according to claim 10, wherein each of said pastilles has a shape of compressed hemispherical.

16. The unit dose according to claim 15, wherein said pastilles have a height to diameter ratio of from about 0.01 to about 0.4.

17. The unit dose of fabric treatment composition according to claim 10, wherein said pastilles are contained in a package having a dispensing cap releasably detachable from said package and reattachable to said package.

18. A method of treating laundry comprising the step of dosing to a laundry washing machine or a laundry wash basin from about 13 g to about 27 g of a composition comprising a plurality of pastilles, said pastilles comprising:

(a) polyethylene glycol; and

(b) friable perfume microcapsule, wherein said perfume microcapsule comprises encapsulated perfume;

wherein each of said pastilles has a mass from about 0.95 mg to about 2 g;

wherein said pastilles are contained in a package and there is a dispensing cap releasably detachable from said package and reattachable to said package;

wherein said composition is dosed with said dispensing cap, and wherein each of said pastilles has a shape of hemispherical or compressed hemispherical.

19. The method according to claim 18, wherein said perfume microcapsules encapsulate from about 0.6% to about 4% by weight of said pastilles of perfume.

20. The method according to claim 19, wherein said pastilles comprises from about 65% to about 99% by weight of said pastilles of polyethylene glycol.