US2680106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymeric vinylidene chloride compositions
Assignee: Dow Chemical Co
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Filing: 1952-02-01
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Granted: 1954-06-01
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Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
- 👤 Carl B Havens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/32; C08K5/00; C08K5/04; C08K5/10; C08K5/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF THE COPOLYMER OF FROM 88 TO 94 PER CENT VINYIDENE CHLORIDE AND CORRESPONDINGLY 12 TO 6 PER CENT VINYL CHLORIDE AND FROM 0.5 TO 5 PER CENT OF THE WEIGHT OF THE COMPOSITION OF TETRASODIUM PYROPHOSPHATE, FROM 1 TO 5 PER CENT BY WEIGHT OF ACETYL TRIETHYL CITRATE, AND FROM 2 TO 6 PER CENT BY WEIGHT OF SALOL, THE AGGREGATE AMOUNTS OF THE CITRATE AND SALOL NOT EXCEEDING 9 PER CENT OF THE COMPOSITION BY WEIGHT.
Claim 2
Dependent Claim
84 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF THE COPOLYMER OF FROM 88 TO 94 PER CENT VINYIDENE CHLORIDE AND CORRESPONDINGLY 12 TO 6 PER CENT VINYL CHLORIDE AND FROM 0.5 TO 5 PER CENT OF THE WEIGHT OF THE COMPOSITION OF TETRASODIUM PYROPHOSPHATE, FROM 1 TO 5 PER CENT BY WEIGHT OF ACETYL TRIETHYL CITRATE, AND FROM 2 TO 6 PER CENT BY WEIGHT OF SALOL, THE AGGREGATE AMOUNTS OF THE CITRATE AND SALOL NOT EXCEEDING 9 PER CENT OF THE COMPOSITION BY WEIGHT.
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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |