US2935490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising a vinylidene chloride polymer and an organic phosphate
Assignee: Dow Chemical Co
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Filing: 1955-08-29
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Granted: 1960-05-03
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Carl B Havens
- 👤 Albert J Mason
- 👤 Almar T Widiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:32
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/524
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A THERMOPLASTIC COMPOSITION HAVING A REDUCED TENDENCY FOR DIEFACE BUILDUP COMPRISING FROM 97 TO 99.8 PERCENT BY WEIGHT OF A VINYLIDENE CHLORIDE POLYMER AND CORRESPONDINGLY FROM 3 TO 0.2 PERCENT BY WEIGHT OF AN ORGANIC PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF MONOSODIUM ALKYL PHOSPHATES AND DISODIUM ALKYL PHOSPHATES WHEREIN EACH ALKYL GROUP CONTAINS FROM 10 TO 22 CARBON ATOMS AND ALUMINUM, BARIUM, AND CALCIUM ALKYL PHOSPHATES WHEREIN THE ALKYL GROUP CONTAINS FROM 18 TO 22 CARBON ATOMS.
Claim 2
Dependent Claim
78 words
A THERMOPLASTIC COMPOSITION HAVING A REDUCED TENDENCY FOR DIEFACE BUILDUP COMPRISING FROM 97 TO 99.8 PERCENT BY WEIGHT OF A VINYLIDENE CHLORIDE POLYMER AND CORRESPONDINGLY FROM 3 TO 0.2 PERCENT BY WEIGHT OF AN ORGANIC PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF MONOSODIUM ALKYL PHOSPHATES AND DISODIUM ALKYL PHOSPHATES WHEREIN EACH ALKYL GROUP CONTAINS FROM 10 TO 22 CARBON ATOMS AND ALUMINUM, BARIUM, AND CALCIUM ALKYL PHOSPHATES WHEREIN THE ALKYL GROUP CONTAINS FROM 18 TO 22 CARBON ATOMS.
References Cited (Backward Citations)
US2507142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |