Patent US4280919A successfully refreshed from Google Patents.
US4280919A
Expired / Lapsed
US
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Detergents and cleansers containing oxyalkylated alcohols as biodegradable, low-foam surfactants
Assignee: BASF SE
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Filing: 1980-04-29
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Granted: 1981-07-28
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Expires: 2000-04-29
Abstract
Abstract A detergent and cleanser which contains an oxyalkylated alcohol of the formula ##STR1## where R is C 8 -C 18 -alkyl, x is from 2 to 4.5 and y is from 2 to 5, as a low-foam, biodegradable surfactant additive.
Inventors
- 👤 Dieter Stoeckigt
- 👤 Dieter Kiessling
- 👤 Johannes Perner
- 👤 Wolfgang Trieselt
- 👤 Horst Trapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:39
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C11; C11D; C11D1/00; C11D1/66; C11D1/722; C11D3/00; C11D3/0005; C11D3/0026
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
6 words
A dishwashing detergent composition which comprises:
Claim 2
Dependent Claim
6 words
A dishwashing detergent composition which comprises:
Claim 3
Dependent Claim
64 words
1- 99. 5% by weight based on the total formulation, of builders selected from the group consisting of phosphates, polyacrylic acid, polymaleic acid, maleic acid/vinyl ether copolymers, nitrilotriacetic acid and zeolites, and 0.5-10% by weight of an alkoxylated alcohol of the formula: ##STR3## wherein R is C 8 -C 18 -alkyl, x is from 2 to 4.5, and y is from 2 to 5.
Claim 4
Dependent Claim
64 words
1- 99. 5% by weight based on the total formulation, of builders selected from the group consisting of phosphates, polyacrylic acid, polymaleic acid, maleic acid/vinyl ether copolymers, nitrilotriacetic acid and zeolites, and 0.5-10% by weight of an alkoxylated alcohol of the formula: ##STR3## wherein R is C 8 -C 18 -alkyl, x is from 2 to 4.5, and y is from 2 to 5.
Claim 5
Dependent Claim
26 words
A detergent as claimed in claim 1, in which R in the formula given in claim 1 is saturated straight chain C 8 -C 18 alkyl.
Claim 6
Dependent Claim
31 words
A detergent and cleanser as claimed in claim 1, in which R in the formula given in claim 1 is C 9 /C 11 -alkyl or C 13 /C 15 -alkyl.
Claim 7
Dependent Claim
13 words
The detergent composition of claim 1, wherein said detergent also contains sodium carbonate.
Claim 8
Dependent Claim
16 words
The detergent of claim 1, wherein said detergent contains 0.5-5% by weight of said alkoxylated alcohol.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-07-27 | 1985-01-26 | 1985-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-27 | 1989-01-26 | 1989-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-27 | 1993-01-26 | 1993-07-28 | $7700.00 | Window Closed / Lapsed |