US3100758A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl halide copolymers with oxirane-containing side groups having improved heat stability
Assignee: Continental Can Co Inc
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Filing: 1959-12-31
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Granted: 1963-08-13
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Ravve Abraham
- 👤 Joseph T Khamis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:01
CPC Classifications
C; C08; C08F; C08F259/00; C08F259/02; C08F259/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF FORMING VINYL HALIDE COPOLYMERS WITH OXIRANE-CONTAINING SIDES GROUPS WHICH COMPRISES HEATING AN ORGANIC SOLVENT SOLUTION CONTAINING A VINYL HALIDE POLYMER, AN OXORAME-CONTAINING COMPONENT SELECTED FROM THE CLASS CONSISTING OF GLYCIDYL ACRYLATE, GLYCIDYL METHACRYLATE, GLYCIDYLE VINYL ETHER, BUTADIENE MONOXIDE, AND DIPENTENE MONOXIDE, AND A FREE RADICAL POLYMERIZATION CATALYST, AT A TEMPERATURE OF 60 TO 100 DEGREES C., THEREBY EFFECTING BONDING OF THE SAID COMPONENT AS GRAFTED BRANCHES UPON THE VINYL HALIDE POLYMER AS A BACKBONE, AND EFFECTING POLYMERIZATION OF THE SAID COMPONENT IN EXTENSION OF THE GRAFTED BRANCHES.
Claim 2
Independent Claim
90 words
THE METHOD OF FORMING VINYL HALIDE COPOLYMERS WITH OXIRANE-CONTAINING SIDES GROUPS WHICH COMPRISES HEATING AN ORGANIC SOLVENT SOLUTION CONTAINING A VINYL HALIDE POLYMER, AN OXORAME-CONTAINING COMPONENT SELECTED FROM THE CLASS CONSISTING OF GLYCIDYL ACRYLATE, GLYCIDYL METHACRYLATE, GLYCIDYLE VINYL ETHER, BUTADIENE MONOXIDE, AND DIPENTENE MONOXIDE, AND A FREE RADICAL POLYMERIZATION CATALYST, AT A TEMPERATURE OF 60 TO 100 DEGREES C., THEREBY EFFECTING BONDING OF THE SAID COMPONENT AS GRAFTED BRANCHES UPON THE VINYL HALIDE POLYMER AS A BACKBONE, AND EFFECTING POLYMERIZATION OF THE SAID COMPONENT IN EXTENSION OF THE GRAFTED BRANCHES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |