US2530353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostable polymeric vinylidene chloride composition
Assignee: Dow Chemical Co
•
Filing: 1949-05-07
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Granted: 1950-11-14
•
Expires: 1969-05-07
Abstract
No abstract record available.
Inventors
- 👤 Carl B Havens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC VINYLIDENE CHLORIDE PRODUCT WHICH TENDS TO DECOMPOSE WHEN HEATED, AND, AS A HEAT STABI LIZING AGENT THEREFOR, FROM 1 TO 20 PER CENT BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
39 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC VINYLIDENE CHLORIDE PRODUCT WHICH TENDS TO DECOMPOSE WHEN HEATED, AND, AS A HEAT STABI LIZING AGENT THEREFOR, FROM 1 TO 20 PER CENT BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2371500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |