US2534078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of polymeric materials
Assignee: EIDP Inc
•
Filing: 1945-02-22
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Granted: 1950-12-12
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Expires: 1965-02-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Strain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR PREPARING CURED POLYMERIC MATERIALS WHICH COMPRISES SUBJECTING A PRE-EXISTING SUBSTANTIALLY SATURATED UNCURED RESIN OF THE CLASS CONSISTING OF CHLORINATED NORMALLY SOLID ETHYLENE POLYMER AND CHLOROSULFONATED NORMALLY SOLID ETHYLENE POLMER, TO THE ACTION OF ABOUT 1% TO 20% BY WEIGHT OF AN ORGANIC PEROXY COMPOUND AT A TEMPATURE WITHIN THE RANGE OF 100* TO 160*C. UNDER A PRESSURE OF 10 TO 2,000 POUNDS PER SQUARE INCH ABOVE ATMOSPHERIC PRESSURE, AND CONTINUING THE SAID HEATING UNTIL A CURED RESIN WHICH IS VERTUALLY INSOLUABLE IN COMMON ORGANIC SOLVENTS IS OBTAINED.
Claim 2
Dependent Claim
90 words
A PROCESS FOR PREPARING CURED POLYMERIC MATERIALS WHICH COMPRISES SUBJECTING A PRE-EXISTING SUBSTANTIALLY SATURATED UNCURED RESIN OF THE CLASS CONSISTING OF CHLORINATED NORMALLY SOLID ETHYLENE POLYMER AND CHLOROSULFONATED NORMALLY SOLID ETHYLENE POLMER, TO THE ACTION OF ABOUT 1% TO 20% BY WEIGHT OF AN ORGANIC PEROXY COMPOUND AT A TEMPATURE WITHIN THE RANGE OF 100* TO 160*C. UNDER A PRESSURE OF 10 TO 2,000 POUNDS PER SQUARE INCH ABOVE ATMOSPHERIC PRESSURE, AND CONTINUING THE SAID HEATING UNTIL A CURED RESIN WHICH IS VERTUALLY INSOLUABLE IN COMMON ORGANIC SOLVENTS IS OBTAINED.
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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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |