Patent CA496725A successfully refreshed from Google Patents.
US3152155A
Expired / Lapsed
US
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Insoluble chelates of divalent tin, germanium, and lead
Assignee: Dow Chemical Co
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Filing: 1960-01-04
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Granted: 1964-10-06
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Expires: 1980-01-04
Abstract
No abstract record available.
Inventors
- 👤 Horst G Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:46
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/19; A61Q; A61Q11/00; C; C05; C05D; C05D9/00; C05D9/02; C07; C07F; C07F7/00; C07F7/003; C25; C25D; C25D3/00; C25D3/02; C25D3/30; C25D3/32; A61K2800/00; A61K2800/40; A61K2800/51; Y; Y10; Y10S; Y10S71/00; Y10S71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A SOLID CRYSTALLINE METAL CHELATE HAVING A FORMULA CORRESPONDING TO THE FOLLOWING:
Claim 2
Dependent Claim
12 words
A SOLID CRYSTALLINE METAL 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) | 1967-10-06 | 1968-04-06 | 1968-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-06 | 1972-04-06 | 1972-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-06 | 1976-04-06 | 1976-10-06 | $7700.00 | Window Closed / Lapsed |