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Patent US2897176A successfully refreshed from Google Patents.
US2897176A
Expired / Lapsed
US
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Chlorine-containing resinous compositions and improved method for processing the same
Assignee: Union Carbide Corp
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Filing: 1956-06-14
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Granted: 1959-07-28
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Expires: 1976-06-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Rocky
- 👤 Frank R Nissel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:42
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L23/00; C08L23/02; C08L23/04; C08L23/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION OF MATTER CAPABLE OF BEING CALENDERED AT HIGH SPEEDS INTO FILMS COMPRISING A VINYL CHLORIDE POLYMER AND POLYETHYLENE, SAID POLYETHYLENE BEING PRESENT IN AN AMOULNT FROM ABOUT 0.01 PERCENT TO ABOUT 0.03 PERCENT BY WEIGHT OF SAID VINYL CHLORIDE POLYMER.
Claim 2
Dependent Claim
42 words
A COMPOSITION OF MATTER CAPABLE OF BEING CALENDERED AT HIGH SPEEDS INTO FILMS COMPRISING A VINYL CHLORIDE POLYMER AND POLYETHYLENE, SAID POLYETHYLENE BEING PRESENT IN AN AMOULNT FROM ABOUT 0.01 PERCENT TO ABOUT 0.03 PERCENT BY WEIGHT OF SAID VINYL CHLORIDE POLYMER.
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) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |