Patent US3120550A successfully refreshed from Google Patents.
US3120550A
Expired / Lapsed
US
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Organo-tin and lead chelates
Assignee: Dow Chemical Co
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Filing: 1960-05-27
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Granted: 1964-02-04
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Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Horst G Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:53
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K8/58; A61Q; A61Q11/00; C; C07; C07F; C07F7/00; C25; C25D; C25D3/00; C25D3/02; C25D3/30; C25D3/32; C25D3/34; C25D3/36; A61K2800/00; A61K2800/40; A61K2800/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A CHELATE HAVING A FORMULA CORRESPONDING TO THE FOLLOWING:
Claim 2
Dependent Claim
9 words
A CHELATE HAVING A FORMULA CORRESPONDING TO THE FOLLOWING:
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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |