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US4566984A
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Ether polycarboxylates
Assignee: Procter and Gamble Co
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Filing: 1984-11-16
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Granted: 1986-01-28
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Expires: 2004-11-16
Abstract
Abstract Novel ether carboxylates prepared from ketomalonate esters and diene compounds are disclosed. Detergent compositions incorporating the ether carboxylates can be prepared without use of phosphorus-containing detergent builder materials.
Inventors
- 👤 Rodney D. Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:01
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/16; C07D309/28; C07C; C07C59/00; C07C59/235; C07C59/305; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2089
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
78 words
Metal sequestering agent compounds represented by the chemical structure ##STR12## wherein M is hydrogen or a cation wherein the resultant salt is water-soluble and R 1 and R 2 can be the same or different and are selected from the group consisting of H, CH 3 , CH 3 CH 2 , OH, CH 2 OH, CH 2 CH 2 OH, COOM, CH 2 COOM, and CH 2 CH 2 COOM, M having the same meaning as above.
Claim 2
Dependent Claim
78 words
Metal sequestering agent compounds represented by the chemical structure ##STR12## wherein M is hydrogen or a cation wherein the resultant salt is water-soluble and R 1 and R 2 can be the same or different and are selected from the group consisting of H, CH 3 , CH 3 CH 2 , OH, CH 2 OH, CH 2 CH 2 OH, COOM, CH 2 COOM, and CH 2 CH 2 COOM, M having the same meaning as above.
Claim 3
Dependent Claim
14 words
A compound according to claim 1 wherein R 1 and R 2 are hydrogen.
Claim 4
Dependent Claim
10 words
A compound according to claim 2 wherein M is sodium.
Claim 5
Dependent Claim
104 words
A detergent composition comprising from about 0.5% to about 98% by weight of a surfactant and from about 2% to about 99.5% by weight of a metal sequestering agent compound represented by the chemical structure ##STR13## wherein M is hydrogen or a cation wherein the resultant salt is water-soluble and R 1 and R 2 can be the same or different and are selected from the group consisting of H, CH 3 , CH 3 CH 2 , OH, CH 2 OH, CH 2 CH 2 OH, COOM, CH 2 COOM, and CH 2 CH 2 COOM, M having the same meaning as above.
Claim 6
Dependent Claim
104 words
A detergent composition comprising from about 0.5% to about 98% by weight of a surfactant and from about 2% to about 99.5% by weight of a metal sequestering agent compound represented by the chemical structure ##STR13## wherein M is hydrogen or a cation wherein the resultant salt is water-soluble and R 1 and R 2 can be the same or different and are selected from the group consisting of H, CH 3 , CH 3 CH 2 , OH, CH 2 OH, CH 2 CH 2 OH, COOM, CH 2 COOM, and CH 2 CH 2 COOM, M having the same meaning as above.
Claim 7
Dependent Claim
33 words
The composition of claim 4 which comprises from about 5% to about 30% by weight of a surfactant and from about 4% to about 50% by weight of said metal sequestering agent compound.
Claim 8
Dependent Claim
47 words
The composition of claim 4 in granular form which comprises from about 10to about 25% by weight of a surfactant and from about 10% to about 35% by weight of said metal sequestering agent compounds wherein R 1 and R 2 are hydrogen and M is sodium.
Claim 9
Dependent Claim
59 words
The composition of claim 4 in liquid form which comprises from about 10% to about 20% by weight of non-soap surfactants, from about 8% to about 20% by weight of C 12 -C 18 monocarboxylic acids and from about 2% to about 25% by weight of said metal sequestering agent compound wherein R 1 and R 2 are hydrogen.
Claim 10
Independent Claim
62 words
A method of making compounds represented by the formula ##STR14## wherein M is alkali metal and acids thereof, which comprises reacting 1,3-butadiene with a compound represented by the formula ##STR15## wherein R 5 is methyl or ethyl to yield ##STR16## which is reacted with an alkali metal hydroxide to yield ##STR17## which is oxidized and neutralized to yield ##STR18## or hydrates thereof.
Claim 11
Independent Claim
62 words
A method of making compounds represented by the formula ##STR14## wherein M is alkali metal and acids thereof, which comprises reacting 1,3-butadiene with a compound represented by the formula ##STR15## wherein R 5 is methyl or ethyl to yield ##STR16## which is reacted with an alkali metal hydroxide to yield ##STR17## which is oxidized and neutralized to yield ##STR18## or hydrates thereof.
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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) | 1989-01-27 | 1989-07-29 | 1990-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-27 | 1993-07-29 | 1994-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-27 | 1997-07-29 | 1998-01-28 | $7700.00 | Window Closed / Lapsed |