US2882127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Granular dicalcium phosphate product and method for the production thereof
Assignee: International Minerals and Chemical Corp
•
Filing: 1958-05-14
•
Granted: 1959-04-14
•
Expires: 1978-05-14
Abstract
No abstract record available.
Inventors
- 👤 Baron Ira M Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:08
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/32; C01B25/328; Y; Y10; Y10S; Y10S71/00; Y10S71/03; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A GRANULAR, SUBSTANTIALLY FLUORINE-FREE ANIMAL FEED GRADE DICALCIUM PHOSPHATE PRODUCT COMPRISING A SUBSTANTIALLY NON-HYGROSCOPIC AGGLOMERATE OF A PLUALITY OF PARTICLES OF DICALCIUM PHOSPHATE, SAID PARTICLES BEING SUBSTANTIALLY ENVELOPED IN AND BONDED TOGETHER WITH A MATRIX CONTAINING AS A BONDING AGENT MONOCALCIUM PHOSPHATE, THE CALCIUM OXIDE TO PHOSPHATE PENTOXIDE MOL RATO OF THE MONO- AND DICALCIUM PHOSPHATE MATERIALS IN SAID AGGLOMERATE BEING WITHIN THE RANGE OF ABOUT 1.55:1.0 TO ABOUT 1.95:10, SAID MONOCALCIUM PHOSPHATE COMPRISING A MINOR PROPORTION OF THE PRODUCT AND SAID PRODUCT BEING SUBSTANTIALLY FREE FROM IRON AND ALUMINUM IMPURITIES.
Claim 2
Dependent Claim
91 words
A GRANULAR, SUBSTANTIALLY FLUORINE-FREE ANIMAL FEED GRADE DICALCIUM PHOSPHATE PRODUCT COMPRISING A SUBSTANTIALLY NON-HYGROSCOPIC AGGLOMERATE OF A PLUALITY OF PARTICLES OF DICALCIUM PHOSPHATE, SAID PARTICLES BEING SUBSTANTIALLY ENVELOPED IN AND BONDED TOGETHER WITH A MATRIX CONTAINING AS A BONDING AGENT MONOCALCIUM PHOSPHATE, THE CALCIUM OXIDE TO PHOSPHATE PENTOXIDE MOL RATO OF THE MONO- AND DICALCIUM PHOSPHATE MATERIALS IN SAID AGGLOMERATE BEING WITHIN THE RANGE OF ABOUT 1.55:1.0 TO ABOUT 1.95:10, SAID MONOCALCIUM PHOSPHATE COMPRISING A MINOR PROPORTION OF THE PRODUCT AND SAID PRODUCT BEING SUBSTANTIALLY FREE FROM IRON AND ALUMINUM IMPURITIES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |