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US4524009A Expired / Lapsed US ⏱️ 0.0 years remaining

Detergent builder

Assignee: Henkel AG and Co KGaA
•
Filing: 1984-01-31
•
Granted: 1985-06-18
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Expires: 2004-01-31
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Abstract

Abstract The present invention describes compounds of the formula: A. MOOCCH2(MOOC)HCOCH2CH(OH)CH2OCH(COOM)CH2COOM B. HOCH2HC(OH)CH2OCH(COOM)CH2COOM C. HOCH2CH[OCH(COOM)CH2COOM]CH2OCH(COOM)CH2COOM and D. And mixtures thereof where M is a salt-forming cation or hydrogen or mixtures thereof. This invention also discloses products prepared by the process of reacting glycerine and a source of maleic acid in the presence of an alkaline earth metal hydroxide.

Inventors

  • 👤 Vivian B. Valenty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:41
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/12; C23F11/124; C23F11/126; C07; C07C; C07C51/00; C07C51/347; C07C51/367; C07C59/00; C07C59/235; C07C59/305; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2089

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 21 words
A compound of the formula: MOOCCH.sub.2 (MOOC)HCOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 2
Dependent Claim 21 words
A compound of the formula: MOOCCH.sub.2 (MOOC)HCOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 3
Dependent Claim 9 words
The composition of claim 1 wherein M is hydrogen.
Claim 4
Dependent Claim 9 words
The composition of claim 1 wherein M is sodium.
Claim 5
Dependent Claim 9 words
The composition of claim 1 wherein M is potassium.
Claim 6
Dependent Claim 19 words
The composition of claim 1 wherein M is selected from the group consisting of ammonium and substituted ammonium compounds.
Claim 7
Dependent Claim 9 words
The composition of claim 1 wherein M is calcium.
Claim 8
Dependent Claim 9 words
The composition of claim 1 wherein M is magnesium.
Claim 9
Dependent Claim 9 words
The composition of claim 5 wherein M is ammonium.
Claim 10
Dependent Claim 36 words
The composition of claim 1 additionally comprising a surfactant material selected from the group consisting of alkyl ether sulfates, alkyl benzene sulfonates, alkyl sulfates, olefin sulfonates, paraffin sulfonates, alkyl polyglycosides, and alkoxylated alcohols, and mixtures thereof.
Claim 11
Dependent Claim 12 words
The composition of claim 9 wherein the surfactant is an alkyl polyglycoside.
Claim 12
Dependent Claim 12 words
The composition of claim 9 wherein the surfactant is an ethoxylated alcohol.
Claim 13
Dependent Claim 34 words
The composition of claim 1 containing a detergent builder selected from the group consisting of 2-oxa-1,3,4-butanetricarboxylic acid salts, 2-oxa-1,1,3-propanetricarboxylic acid salts, zeolites, citrate salts, carbonate salts, silicates, phosphate salts and salts of nitrilotriacetic acid.
Claim 14
Dependent Claim 12 words
The composition of claim 12 wherein the detergent builder is sodium carbonate.
Claim 15
Dependent Claim 12 words
The composition of claim 12 wherein the detergent builder is sodium tripolyphosphate.
Claim 16
Dependent Claim 16 words
The composition of claim 12 wherein the detergent builder is the sodium salt of nitrilotriacetic acid.
Claim 17
Dependent Claim 11 words
The composition of claim 1 prepared as a liquid detergent product.
Claim 18
Dependent Claim 20 words
A compound of the formula: HOCH.sub.2 HC(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 19
Dependent Claim 20 words
A compound of the formula: HOCH.sub.2 HC(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 20
Dependent Claim 21 words
A compound of the formula: HOCH.sub.2 CH[OCH(COOM)CH.sub.2 COOM]CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 21
Dependent Claim 21 words
A compound of the formula: HOCH.sub.2 CH[OCH(COOM)CH.sub.2 COOM]CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 22
Dependent Claim 25 words
A mixture of the compound of claim 17 and MOOCCH.sub.2 (MOOC)HCOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.
Claim 23
Dependent Claim 25 words
A mixture of the compound of claim 18 and MOOCCH.sub.2 (MOOC)HCOCH.sub.2 CH(OH)CH.sub.2 OCH(COOM)CH.sub.2 COOM wherein M is a salt-forming cation or hydrogen or mixtures thereof.

References Cited (Backward Citations)

US3128287A Cited
US3692685A Cited
US4002676A Cited
US4219672A Cited
US3954858A Cited
DE2147780A1 Cited
US4025450A Cited
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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) 1988-06-17 1988-12-17 1989-06-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-06-17 1992-12-17 1993-06-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-06-17 1996-12-17 1997-06-18 $7700.00 Window Closed / Lapsed

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