US4147652A
Expired / Lapsed
US
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Liquid cleaning concentrate
Assignee: Chemed Corp
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Filing: 1978-05-03
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Granted: 1979-04-03
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Expires: 1998-05-03
Abstract
Abstract An aqueous cleaning concentrate containing alkali metal hydroxide, a nonionic surfactant and an alkyl glucoside or alkoxylated glycidyl ether. The concentrate can be diluted with water or additional aqueous alkali metal hydroxide to provide a composition useful for washing bottles and other food and beverage containers.
Inventors
- 👤 Thaddeus J. Kaniecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:49
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/221; C11D1/00; C11D1/66; C11D1/662; C11D1/825; C11D3/02; C11D3/04; C11D3/044; C11D1/72
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
101 words
A liquid cleaning concentrate consisting essentially of: (a) from about 10% to about 35% by weight of alkali metal hydroxide; (b) from about 0% to about 50% by weight of a non-ionic surfactant containing a polyoxyethylene group; (c) from about 0% to about 50% by weight of an alkyl glucoside or a glycidyl ether of an alcohol having 12 to 24 carbon atoms or an alkyl phenol; (d) the balance being water; with the proviso that the total of the nonionic surfactant and the alkyl glucoside or glycidyl ether be in the range of about 10% to about 50% by weight.
Claim 2
Dependent Claim
101 words
A liquid cleaning concentrate consisting essentially of: (a) from about 10% to about 35% by weight of alkali metal hydroxide; (b) from about 0% to about 50% by weight of a non-ionic surfactant containing a polyoxyethylene group; (c) from about 0% to about 50% by weight of an alkyl glucoside or a glycidyl ether of an alcohol having 12 to 24 carbon atoms or an alkyl phenol; (d) the balance being water; with the proviso that the total of the nonionic surfactant and the alkyl glucoside or glycidyl ether be in the range of about 10% to about 50% by weight.
Claim 3
Dependent Claim
33 words
The liquid cleaning concentrate of claim 1 wherein the total of the nonionic surfactant and the alkyl glucoside or glycidyl ether is in the range of about 20% to about 30% by weight.
Claim 4
Dependent Claim
17 words
The liquid cleaning concentrate of claim 1 or 2 wherein the alkali metal hydroxide is sodium hydroxide.
References Cited (Backward Citations)
US3437598A
Cited
US3721633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |