US3498913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of cationic resins in coagulating polymeric materials
Assignee: Diamond Shamrock Corp
•
Filing: 1968-04-01
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Granted: 1970-03-03
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Expires: 1988-04-01
Abstract
No abstract record available.
Inventors
- 👤 Lucien Sellet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:09
CPC Classifications
C; C08; C08C; C08C1/00; C08C1/14; C02; C02F; C02F1/00; C02F1/52; C02F1/54; C08C1/15; C08G; C08G12/00; C08G12/02; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/91; Y10S528/00; Y10S528/931; Y10S528/934; Y10S528/936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3367918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |