Patent US2875129A successfully refreshed from Google Patents.
US2875129A
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Prophylactic calcium chelate compositions for heavy metal poisoning
Assignee: Dow Chemical Co
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Filing: 1954-11-03
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Granted: 1959-02-24
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Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Bersworth
- 👤 Rubin Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:05
CPC Classifications
A; A23; A23K; A23K20/00; A23K20/20; A23K20/30; A23K20/10; A23K20/105; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A FOOD PRODUCT USEFUL AS A PROPHYLACTIC MATERIAL FOR PREVENTING A TOXIC ACCUMULATION OF HEAVY METAL IN A LIVING ORGANISM, COMPRISING THE FOOD PRODUCT CONTAINING UP TO 3% OF THE CALCIUM CHELATE OF A COMPOUND CORRESPONDING TO THE FOLLOWING GENERIC FORMULA:
Claim 2
Dependent Claim
41 words
A FOOD PRODUCT USEFUL AS A PROPHYLACTIC MATERIAL FOR PREVENTING A TOXIC ACCUMULATION OF HEAVY METAL IN A LIVING ORGANISM, COMPRISING THE FOOD PRODUCT CONTAINING UP TO 3% OF THE CALCIUM CHELATE OF A COMPOUND CORRESPONDING TO THE FOLLOWING GENERIC FORMULA:
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) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |