US4624803A
Expired / Lapsed
US
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Fatty alcohol oxyalkylates, possessing blocked terminal groups, for industrial cleaning processes, in particular bottle-washing and metal-cleaning
Assignee: BASF SE
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Filing: 1985-05-03
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Granted: 1986-11-25
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Expires: 2005-05-03
Abstract
Abstract Fatty alcohol oxyalkylates possessing blocked terminal groups are used as low-foam, antifoaming and biodegradable surfactants for industrial cleaning processes, in particular for bottle-washing and metal-cleaning.
Inventors
- 👤 Wolf-Dieter Balzer
- 👤 Klaus Lorenz
- 👤 Helmut Wolf
- 👤 Wolfgang Trieselt
- 👤 Dieter Stoeckigt
- 👤 Albert Hettche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:00
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0026; C11D1/00; C11D1/66; C11D1/72; C11D1/721; C23; C23G; C23G1/00; C23G1/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
106 words
A liquid cleaner for industrial bottle washing, which comprises from 5 to 30% by weight of phosphonic acid, from 15 to 30% by weight of phosphoric acid, from 0 to 10% by weight of isopropanol, from 10 to 30% by weight of a non-ionic surfactant having the formula 1 R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z where R is alkyl group having from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl, and water to make up 100% by weight.
Claim 2
Dependent Claim
106 words
A liquid cleaner for industrial bottle washing, which comprises from 5 to 30% by weight of phosphonic acid, from 15 to 30% by weight of phosphoric acid, from 0 to 10% by weight of isopropanol, from 10 to 30% by weight of a non-ionic surfactant having the formula 1 R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z where R is alkyl group having from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl, and water to make up 100% by weight.
Claim 3
Dependent Claim
106 words
A powder cleaner for industrial bottle washing, which comprises 10 to 30% by weight of NaOH, 10 to 40% by weight of sodium metasilicate, 10 to 40% by weight of pentasodium triphosphate, 5 to 20% by weight of ethylenediaminetetraacetic acid or nitrilotriacetic acid, and from 5 to 10% of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z wherein R is an alkyl group of from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl.
Claim 4
Dependent Claim
106 words
A powder cleaner for industrial bottle washing, which comprises 10 to 30% by weight of NaOH, 10 to 40% by weight of sodium metasilicate, 10 to 40% by weight of pentasodium triphosphate, 5 to 20% by weight of ethylenediaminetetraacetic acid or nitrilotriacetic acid, and from 5 to 10% of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z wherein R is an alkyl group of from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl.
Claim 5
Independent Claim
117 words
A method for industrial bottle washing, which comprises contacting a bottle to be washed with a powder cleaner, which comprises 10 to 30% by weith of NaOH, 10 to 40% by weight of sodium metasilicate, 10 to 40% by weight of pentasodium triphosphate, 5 to 20% by weight of ethylenediaminetetraacetic acid or nitrilotriacetic acid, and from 5 to 10% of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z wherein R is an alkyl group of from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl.
Claim 6
Independent Claim
117 words
A method for industrial bottle washing, which comprises contacting a bottle to be washed with a powder cleaner, which comprises 10 to 30% by weith of NaOH, 10 to 40% by weight of sodium metasilicate, 10 to 40% by weight of pentasodium triphosphate, 5 to 20% by weight of ethylenediaminetetraacetic acid or nitrilotriacetic acid, and from 5 to 10% of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z wherein R is an alkyl group of from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl.
Claim 7
Independent Claim
117 words
A method for industrial bottle washing, which comprises contacting a bottle to be washed with a liquid cleaner, which comprises from 5 to 30% by weight of phosphonic acid, from 15 to 30% by weight of phosphoric acid, from 0 to 10% by weight of isopropanol, from 10 to 30% by weight of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z where R is alkyl group having from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl, and water to make up 100% by weight.
Claim 8
Independent Claim
117 words
A method for industrial bottle washing, which comprises contacting a bottle to be washed with a liquid cleaner, which comprises from 5 to 30% by weight of phosphonic acid, from 15 to 30% by weight of phosphoric acid, from 0 to 10% by weight of isopropanol, from 10 to 30% by weight of a non-ionic surfactant having the formula 1: R--O--(X.sub.1).sub.n --(X.sub.2).sub.m --Z where R is alkyl group having from 10 to 18 carbon atoms, X 1 is an ethylene oxide unit, n is 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is 2 to 4, and Z is methyl, ethyl or allyl, and water to make up 100% by weight.
Claim 9
Independent Claim
67 words
A method according to claims 3 or 4, wherein in formula 1, R is a radical of a C 13 /C 15 -oxoalcohol or a C 10 /C 14 Ziegler alcohol, X 1 is an ethylene oxide unit, n is from 5 to 7, X 2 is a propylene oxide or butylene oxide unit, m is from 2 to 4, and Z is methyl, ethyl or allyl.
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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) | 1989-11-24 | 1990-05-26 | 1990-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-11-24 | 1994-05-26 | 1994-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-11-24 | 1998-05-26 | 1998-11-25 | $7700.00 | Window Closed / Lapsed |