US3312754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous compositions comprising (a) butadiene-acrylonitrile-carboxylated terpolymer, (b) polyepoxide, (c) flexibilizing polymer, and (d) dicyandiamide
Assignee: Continental Can Co Inc
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Filing: 1963-09-20
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Granted: 1967-04-04
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Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 Burton S Marks
- 👤 Roger S Sedgwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:29
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/18; C08L33/20; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A METHOD OF PREPARING A THERMOSETTING FLEXIBLE RESINOUS COMPOSITION WHICH COMPRISES REACTING (1) 14 TO 45 PARTS BY WEIGHT OF A BUTADIENE-ACRYLONITRILE-CARBOXYL TERPOLYMER WHEREIN THE ADDENDED CARBOXYL GROUPS ARE PRESENT IN AMOUNTS RAGING FROM 2 TO 8 MOLAR PERCENT, (2) 55 TO 86 PARTS BY WEIGHT OF A POLYEPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS, AND DIGLYCIDYL ETHERS OF DIHYDRIC PHENOLS, AND (3) A FLEXIBILIZING COPOLYMER IN THE PRESENCE OF AN EFFECTIVE AMOUNT OF A DICYANDIAMIDE CATALYST; SAID FLEXIBILIZING COPOLYMER SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF VINYLCHLORIDE-VINYLACETATE-VINYLALCOHOL, COPOLYMERS OF BUTADIENE ACRYLIC ACID, COPOLYMERS OF BUTADIENE-METHACRYLIC ACID, CARBOXYLATED COPOLYMERS OF BUTADIENE-STYRENE AND CARBOXYLATED COPOLYMERS OF BUTADIENE-ACRYLONTRILE.
Claim 2
Independent Claim
113 words
A METHOD OF PREPARING A THERMOSETTING FLEXIBLE RESINOUS COMPOSITION WHICH COMPRISES REACTING (1) 14 TO 45 PARTS BY WEIGHT OF A BUTADIENE-ACRYLONITRILE-CARBOXYL TERPOLYMER WHEREIN THE ADDENDED CARBOXYL GROUPS ARE PRESENT IN AMOUNTS RAGING FROM 2 TO 8 MOLAR PERCENT, (2) 55 TO 86 PARTS BY WEIGHT OF A POLYEPOXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIGLYCIDYL ETHERS OF POLYHYDRIC ALCOHOLS, AND DIGLYCIDYL ETHERS OF DIHYDRIC PHENOLS, AND (3) A FLEXIBILIZING COPOLYMER IN THE PRESENCE OF AN EFFECTIVE AMOUNT OF A DICYANDIAMIDE CATALYST; SAID FLEXIBILIZING COPOLYMER SELECTED FROM THE GROUP CONSISTING OF COPOLYMERS OF VINYLCHLORIDE-VINYLACETATE-VINYLALCOHOL, COPOLYMERS OF BUTADIENE ACRYLIC ACID, COPOLYMERS OF BUTADIENE-METHACRYLIC ACID, CARBOXYLATED COPOLYMERS OF BUTADIENE-STYRENE AND CARBOXYLATED COPOLYMERS OF BUTADIENE-ACRYLONTRILE.
References Cited (Backward Citations)
US2872366A
Cited
US2947338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |