US3227707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stannous chelates of polyhydroxy compounds
Assignee: Dow Chemical Co
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Filing: 1962-05-25
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Granted: 1966-01-04
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Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Horst G Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:12
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K8/33; A61K8/34; A61K8/345; A61K8/60; C; C07; C07F; C07F7/00; C07F7/003; C07H; C07H23/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
6 words
THE TIN II CHELATE OF SUCROSE.
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) | 1969-01-03 | 1969-07-05 | 1970-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-03 | 1973-07-05 | 1974-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-03 | 1977-07-05 | 1978-01-04 | $7700.00 | Window Closed / Lapsed |