Patent US3869418A successfully refreshed from Google Patents.
US3869418A
Expired / Lapsed
US
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Carboxylated graft copolymer and emulsion containing same
Assignee: ISP Investments LLC
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Filing: 1973-06-15
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Granted: 1975-03-04
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Expires: 1993-06-15
Abstract
Abstract A graft copolymer of a monomer including at least one monomeric unsaturated aliphatic carboxylic acid and at least one additional monomer selected from the group consisting of aliphatic conjugated dienes and monoalkenyl aromatic compounds polymerized on a polymeric N-vinyl lactam substrate, stable aqueous emulsions containing same, and methods for producing such emulsions and graft copolymers useful as adhesives and other purposes.
Inventors
- 👤 William R Peterson
- 👤 Walter N Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:46
CPC Classifications
C; C08; C08F; C08F271/00; C08F271/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
109 words
A STABLE AQUEOUS EMULSION COMPRISING AN EMULSION POLYMERIZED GRAFT POLYMER, COMPRISING A POLYMERIC N-VINYL LACTAM SUBSTRATE AND AT LEAST ONE MONOMERIC OLEFINICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AND AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC CONJUGATED DIENES AND MONOALKENYL AROMATIC COMPOUNDS, GRAFT POLYMERIZED THEREON, THE WEIGHT RATIO OF POLYMERIC N-VINYL LACTAM TO THE TOTAL MONOMERIC MIXTURE VARYING FROM ABOUT 1:99 TO ABOUT 20:80, THE WEIGHT RATIO OF MONOALKENYL AROMATIC MONOMER TO CONJUGATED DIENE VARYING FROM ABOUT 5:95 TO ABOUT 75:25, AND THE UNSATURATED ALIPHATIC CARBOXYLIC ACID IS EMPLOYED IN PROPORTIONS OF ABOUT 0.5 TO ABOUT 20 PARTS BY WEIGHT PER 100 PARTS OF TOTAL MONOMERIC MIXTURE.
Claim 2
Dependent Claim
109 words
A STABLE AQUEOUS EMULSION COMPRISING AN EMULSION POLYMERIZED GRAFT POLYMER, COMPRISING A POLYMERIC N-VINYL LACTAM SUBSTRATE AND AT LEAST ONE MONOMERIC OLEFINICALLY UNSATURATED ALIPHATIC CARBOXYLIC ACID AND AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC CONJUGATED DIENES AND MONOALKENYL AROMATIC COMPOUNDS, GRAFT POLYMERIZED THEREON, THE WEIGHT RATIO OF POLYMERIC N-VINYL LACTAM TO THE TOTAL MONOMERIC MIXTURE VARYING FROM ABOUT 1:99 TO ABOUT 20:80, THE WEIGHT RATIO OF MONOALKENYL AROMATIC MONOMER TO CONJUGATED DIENE VARYING FROM ABOUT 5:95 TO ABOUT 75:25, AND THE UNSATURATED ALIPHATIC CARBOXYLIC ACID IS EMPLOYED IN PROPORTIONS OF ABOUT 0.5 TO ABOUT 20 PARTS BY WEIGHT PER 100 PARTS OF TOTAL MONOMERIC MIXTURE.
Claim 3
Dependent Claim
46 words
A process for producing a stable aqueous emulsion as defined in claim 1 comprising subjecting said monomer mixture in an aqueous solution of said polymeric N-vinyl lactam to polymerization conditions in the presence of a water soluble emulsifying agent and a free radical supplying polymerization catalyst.
Claim 4
Dependent Claim
61 words
A process for producing a graft copolymer as defined in claim 1 comprising subjecting said monomer mixture in an aqueous solution of said polymeric N-vinyl lactam to polymerization conditions in the presence of a water soluble emulsifying agent and a free radical supplying polymerization catalyst followed by the additional step of separating from the resulting emulsion the graft copolymer contained therein.
Claim 5
Dependent Claim
26 words
A sTable aqueous emulsion as defined in claim 1 wherein said aliphatic conjugated diene is selected from the group consisting of 1,3-butadiene, 2-methyl-1,3-butadiene, 2,3-dimethyl-1,3-butadiene and 2-chloro-1,3-butadiene.
Claim 6
Dependent Claim
14 words
A stable aqueous emulsion as defined in claim 4 wherein said diene is 1,3-butadiene.
Claim 7
Dependent Claim
14 words
A stable aqueous emulsion as defined in claim 4 wherein said diene is 2-methyl-1,3-butadiene.
Claim 8
Dependent Claim
14 words
A stable aqueous emulsion as defined in claim 4 wherein said diene is 2,3-dimethyl-1,3-butadiene.
Claim 9
Dependent Claim
14 words
A stable aqueous emulsion as defined in claim 4 wherein said diene is 2-chloro-1,3-butadiene.
Claim 10
Dependent Claim
16 words
A stable aqueous emulsion as defined in claim 1 wherein said monoalkenyl aromatic compound is styrene.
Claim 11
Dependent Claim
29 words
A stable aqueous emulsion as defined in claim 1 wherein said olefinically unsaturated aliphatic carboxylic acid is selected from the group consisting of acrylic-, methacrylic-, fumaric and itaconic acids.
Claim 12
Dependent Claim
15 words
A stable aqueous emulsion as defined in claim 10 wherein said acid is acrylic acid.
Claim 13
Dependent Claim
15 words
A stable aqueous emulsion as defined in claim 10 wherein said acid is methacrylic acid.
Claim 14
Dependent Claim
15 words
A stable aqueous emulsion as defined in claim 10 wherein said acid is fumaric acid.
Claim 15
Dependent Claim
15 words
A stable aqueous emulsion as defined in claim 10 wherein said acid is itaconic acid.
References Cited (Backward Citations)
US3352808A
Cited
US3431227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |