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US4546156A
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Water-soluble sulfonated polymers
Assignee: ChampionX LLC
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Filing: 1984-08-23
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Granted: 1985-10-08
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Expires: 2004-08-23
Abstract
Abstract Novel water-soluble polymers and copolymers are synthesized by the free radical polymerization of vinyl addition monomers described generally by the formula: <IMAGE> wherein: M is hydrogen, lithium, sodium, potassium, ammonium, magnesium, or calcium; R is allyl or methallyl; R1 is hydrogen, allyl or methallyl; R2 is hydrogen or sulfonato: R3 is hydrogen or sulfonato; and providing that R2 is not the same as R3.
Inventors
- 👤 Dodd W. Fong
- 👤 David J. Kowalski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:44
CPC Classifications
C; C08; C08F; C08F26/00
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
64 words
Water-soluble vinylic polymers derived from the free radical polymerization of an anionic monomer having the formula: ##STR21## wherein: M is hydrogen, lithium, sodium, potassium, ammonium, magnesium, or calcium, and mixtures thereof; R is allyl; R 1 is hydrogen or allyl; R 2 is hydrogen or sulfonato; R 3 is hydrogen or sulfonato; provided that R 2 is not the same as R 3 .
Claim 2
Dependent Claim
64 words
Water-soluble vinylic polymers derived from the free radical polymerization of an anionic monomer having the formula: ##STR21## wherein: M is hydrogen, lithium, sodium, potassium, ammonium, magnesium, or calcium, and mixtures thereof; R is allyl; R 1 is hydrogen or allyl; R 2 is hydrogen or sulfonato; R 3 is hydrogen or sulfonato; provided that R 2 is not the same as R 3 .
Claim 3
Dependent Claim
44 words
The polymers of claim 1 wherein R is allyl, R 1 and R 2 are both hydrogen, R 2 is hydrogen, R 3 is sulfonato, and M is from the group consisting of hydrogen, lithium, sodium, potassium, ammonium, magnesium and calcium, or mixtures thereof.
Claim 4
Dependent Claim
36 words
The polymers of claim 1 wherein R and R 1 are both allyl, R 2 is hydrogen, and R 3 is sulfonato, and M is from the group hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 5
Dependent Claim
34 words
The polymers of claim 1 wherein R is allyl, R 1 is hydrogen, R 2 is sulfonato, R 3 is hydrogen, and each M is independently hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 6
Dependent Claim
42 words
The polymers of claim 1 wherein R and R 1 are both allyl, R 2 is sulfonato, R 3 is hydrogen, and each M is independently chosen from the group consisting of hydrogen, lithium, potassium, sodium, ammonium, calcium, magnesium, and mixtures thereof.
Claim 7
Dependent Claim
35 words
A water-soluble vinylic polymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR22## wherein each M is independently chosen from the group hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 8
Dependent Claim
35 words
A water-soluble vinylic polymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR22## wherein each M is independently chosen from the group hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 9
Dependent Claim
37 words
A water-soluble vinylic polymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR23## wherein each M is independently chosen from the group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 10
Dependent Claim
37 words
A water-soluble vinylic polymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR23## wherein each M is independently chosen from the group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 11
Dependent Claim
36 words
A water-soluble vinylic polymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR24## wherein each M is independently chosen from group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 12
Dependent Claim
36 words
A water-soluble vinylic polymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR24## wherein each M is independently chosen from group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof.
Claim 13
Dependent Claim
18 words
A water-soluble vinylic copolymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR25##
Claim 14
Dependent Claim
18 words
A water-soluble vinylic copolymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR25##
Claim 15
Dependent Claim
82 words
wherein: M is hydrogen, lithium, sodium, potassium, ammonium, magnesium, calcium, or mixtures thereof; R is allyl; R 1 is hydrogen or allyl; R 2 is hydrogen or sulfonato; R 3 is hydrogen or sulfonato; provided that R 2 is not the same as R 3 , in the presence of at least one water soluble vinyl monomer chosen from the group consisting of acrylic acid, acrylamide, methacrylic acid, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 16
Dependent Claim
82 words
wherein: M is hydrogen, lithium, sodium, potassium, ammonium, magnesium, calcium, or mixtures thereof; R is allyl; R 1 is hydrogen or allyl; R 2 is hydrogen or sulfonato; R 3 is hydrogen or sulfonato; provided that R 2 is not the same as R 3 , in the presence of at least one water soluble vinyl monomer chosen from the group consisting of acrylic acid, acrylamide, methacrylic acid, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 17
Dependent Claim
68 words
A water-soluble vinylic copolymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR26## wherein each M is independently chosen from hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of at least one water-soluble vinyl monomer chosen from the group consisting of acrylic acid, methacrylic acid, acrylamide, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 18
Dependent Claim
68 words
A water-soluble vinylic copolymer derived from the free radical polymerization of an anionic monomer having the formula: ##STR26## wherein each M is independently chosen from hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of at least one water-soluble vinyl monomer chosen from the group consisting of acrylic acid, methacrylic acid, acrylamide, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 19
Dependent Claim
71 words
A water-soluble vinylic copolymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR27## wherein each M is independently chosen from the group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of a water soluble vinyl monomer chosen from the group consisting of acrylic acid, methacrylic acid, acrylamide, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 20
Dependent Claim
71 words
A water-soluble vinylic copolymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR27## wherein each M is independently chosen from the group consisting of hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of a water soluble vinyl monomer chosen from the group consisting of acrylic acid, methacrylic acid, acrylamide, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride.
Claim 21
Dependent Claim
70 words
A water-soluble vinylic copolymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR28## wherein each M is independently chosen from hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of a water soluble vinyl monomer chosen from the group consisting of acrylic acid, acrylamide, methacrylic acid, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride, or mixtures thereof.
Claim 22
Dependent Claim
70 words
A water-soluble vinylic copolymer derived by the free radical polymerization of an anionic monomer having the formula: ##STR28## wherein each M is independently chosen from hydrogen, lithium, sodium, potassium, ammonium, and mixtures thereof, in the presence of a water soluble vinyl monomer chosen from the group consisting of acrylic acid, acrylamide, methacrylic acid, methacrylamide, sulfonated styrene, 2-acrylamido-2-methylpropane sulfonic acid, sodium vinyl sulfonate, and diallyl dimethyl ammonium chloride, or mixtures thereof.
References Cited (Backward Citations)
US4462808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |