Patent US3557051A successfully refreshed from Google Patents.
US3557051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized vinyl fluoride polymers
Assignee: Daikin Industries Ltd
•
Filing: 1968-04-01
•
Granted: 1971-01-19
•
Expires: 1988-04-01
Abstract
Abstract A HEAT-STABLE COMPOSITION COMPRISING A VINYL FLUORIDE POLYMER 0.01 TO 5 WEIGHT PERCENT OF AN INORGANIC NONMETALLIC REDUCING AGENT, BASED ON THE WEIGHT OF THE VINYL FLUORIDE POLYMER AND 0.01 TO 5 WEIGHT PERCENT OF AN ORGANIC ANTIOXIDANT HAVING A BOILING POINT OF HIGHER THAN THE MELTING POINT OF THE VINYL FLUORIDE POLYMER, BASED ON THE WEIGHT OF THE VINYL FLUORIDE POLYMER.
Inventors
- 👤 Yutaka Kometani
- 👤 Shun Koizumi
- 👤 Takeshi Suzuki
- 👤 Chuzo Okuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:43
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |