US3546154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion polymerization of vinyl compounds
Assignee: Stauffer Chemical Co
•
Filing: 1966-09-27
•
Granted: 1970-12-08
•
Expires: 1986-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jesse C H Hwa
- 👤 Paul Kraft
- 👤 Sheldon F Gelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C08F2/26; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731435A
Cited
US2702285A
Cited
US3242121A
Cited
US3297666A
Cited
US3316199A
Cited
US3317495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |