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US 10,377,970 B2Granted
Laundry additive and drum treatment
AssigneeZero Odor Co., LLC
InventorsRichard Alan Callahan, Bhupendra Chandrashanker Trivedi
Life of this patent
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Abstract
The present invention relates to a liquid laundry additive composition and method of use in washing laundry. Not only does the composition reduce laundry odors but it also reduces washing machine drum odor.
Claims23
A liquid laundry additive comprising:
- a. zinc ricinoleate;
- b. carboxyalkyl cellulose;
- and
- c. at least one surfactant;
- wherein the zinc ricinoleate is present, on a wet basis, in an amount of about 10% or less, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1.4:1, and the additive is pourable.
2 more elements
A method for treating laundry in a washing machine comprising adding to the washing machine in combination:
- a. laundry to be treated;
- b. detergent;
- and
- c. liquid laundry additive comprising:
- i. zinc ricinoleate;
- ii. carboxyalkyl cellulose;
- and
- iii. at least one surfactant;
- wherein the amount of zinc ricinoleate, on a wet basis, is about 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate, on a dry basis, is less than about 1.4:1, and the additive is pourable.
6 more elements
A method for treating laundry washing machine drum odor, comprising:
- a. adding to the washing machine a liquid laundry additive comprising:
- i. zinc ricinoleate;
- ii. carboxyalkyl cellulose;
- and
- iii. at least one surfactant;
- wherein the zinc ricinoleate, on a wet basis, is 10% or less of the liquid laundry additive, the ratio of total surfactant to zinc ricinoleate is less than about 1.4:1 on a dry basis, and the additive is pourable.
3 more elements
A liquid laundry additive comprising:
- a. zinc ricinoleate;
- b. carboxyalkyl cellulose;
- c. amphoteric surfactant;
- d. anionic surfactant;
- e. biocide;
- f. fragrance;
- and
- g. colorant;
- wherein the zinc ricinoleate is present, on a wet basis, in an amount about 10% or less, the ratio of total surfactant to zinc ricinoleate is less than about 1.4:1 on a dry basis, and the additive is pourable and essentially free of enzyme.
6 more elements
Dependencies are inferred from the claim text.