US3994818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substantially non-aqueous low foaming liquid non-ionic detergent composition
Assignee: Shell USA Inc
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Filing: 1976-03-04
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Granted: 1976-11-30
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Expires: 1996-03-04
Abstract
Abstract Detergent compositions comprising: (a) a C8 to C18 alcohol ethoxylate containing from 2 to 4 moles of ethylene oxide per mole of alcohol, (b) a C7 to C13 alcohol or mixture thereof, (c) a C 1 to C6 alcohol or mixture thereof, (d) a defoamer and (e) optionally a C8 to C18 alcohol ethoxylate containing from 5 to 9 moles of ethylene oxide per mole of alcohol have good detergency properties with low-foaming characteristics.
Inventors
- 👤 Carolus H. van der Loo
- 👤 Walter J. Rootsaert
- 👤 Neville E. Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:03
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; C11D1/00; C11D1/66; C11D1/72; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2013
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
156 words
A liquid detergent suitable for use in automatic dishwashing machines and having less than 5 percent by weight of water comprising: a. from about 60 to about 90% by weight based on total weight of components (a), (b), (c) and (d) of a C 8 to C 18 alcohol ethoxylate containing, on average, from about 2 to about 4 moles of ethylene oxide for each mole of C 8 to C 18 alcohol, b. from about 10 to about 10 to about 30 % by weight based on total weight of components (a), (b), (c) and (d) of a C 7 to C 13 alcohol or mixture thereof, c. from about 2 to about 9 % by weight based on total weight of components (a), (b), (c) and (d) of a C 1 to C 6 alcohol or mixture thereof, and d. from about 0.05 to about 2% by weight of a poly(alkyl) siloxane type defoamer.
Claim 2
Dependent Claim
156 words
A liquid detergent suitable for use in automatic dishwashing machines and having less than 5 percent by weight of water comprising: a. from about 60 to about 90% by weight based on total weight of components (a), (b), (c) and (d) of a C 8 to C 18 alcohol ethoxylate containing, on average, from about 2 to about 4 moles of ethylene oxide for each mole of C 8 to C 18 alcohol, b. from about 10 to about 10 to about 30 % by weight based on total weight of components (a), (b), (c) and (d) of a C 7 to C 13 alcohol or mixture thereof, c. from about 2 to about 9 % by weight based on total weight of components (a), (b), (c) and (d) of a C 1 to C 6 alcohol or mixture thereof, and d. from about 0.05 to about 2% by weight of a poly(alkyl) siloxane type defoamer.
Claim 3
Dependent Claim
74 words
The composition of claim 1 wherein component (a) is a C 12 to C 15 alcohol ethoxylate and ranges from about 70 to about 80 % by weight, component (b) is a C 9 to C 11 alcohol and ranges from about 15 to about 25 % by weight, component (c) ranges from about 4 to about 8 % by weight and component (d) ranges from about 0.05 to about 1 % by weight.
Claim 4
Dependent Claim
10 words
The composition of claim 2 wherein component (c) is isopropyl-alcohol.
Claim 5
Dependent Claim
13 words
The composition of claim 2 wherein component (d) is a poly(dimethyl)siloxane type deformer.
Claim 6
Dependent Claim
63 words
The composition of claim 1 which contains as an additional component from about 10 to about 30 % by weight based on total weight of components (a), (b), (c) and (d) of a C 8 to C 18 alcohol ethoxylate containing, on average, from about 5 to about 9 moles of ethylene oxide for each mole of C 8 to C 18 alcohol.
Claim 7
Dependent Claim
63 words
The composition of claim 2 which contains as an additional component from about 15 to about 25 % by weight based on total weight of components (a), (b), (c) and (d) of a C 9 to C 11 alcohol ethoxylate containing, on average, from about 5 to about 9 moles of ethylene oxide for each mole of C 9 to C 11 alcohol.
Claim 8
Dependent Claim
11 words
The composition of claim 6 wherein component (c) is isopropyl alcohol.
Claim 9
Dependent Claim
14 words
The composition of claim 6 wherein component (d) is a poly(dimethyl) siloxane type defoamer.
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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) | 1979-11-30 | 1980-05-31 | 1980-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-11-30 | 1984-05-31 | 1984-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-11-30 | 1988-05-31 | 1988-11-30 | $7700.00 | Window Closed / Lapsed |