US3099530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of defluorinated phosphates
Assignee: International Minerals and Chemical Corp
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Filing: 1959-12-08
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Granted: 1963-07-30
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Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 John D Nickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:06
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/32; C01B25/328; C05; C05B; C05B11/00; C05B11/02; Y; Y10; Y10S; Y10S71/00; Y10S71/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A PROCESS FOR THE MANUFACTURE OF DEFLUORINATED PHOSPHATES WHICH COMPRISES MIXING A PHOSPHATIC MATERIAL CONTAINING FLUORINE IN AN AMOUNT WHICH RENDERS IT UNSUITABLE FOR USE AS AN ANIMAL FEED SELECTED FROM THE GROUP CONSISTING OF PHOSPHATE ROCK, SUPERPHOSPHATE, TRIPLE SUPERPHOSPHATE AND MIXTURES THEREOF, WITH A SILICONE CONTAINING SILICON AND AN ORGANIC GROUP IN THE MOLECULE IN WHICH THE SILOXANE UNTI, SI-O-SI-, IS THE CONTINUING FRAMEWORK, SAID SILICONE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL SILICONE, METHYL PHENYL SILICONE, METHYLCHLOROSILANE AND MIXTURES THEREOF, SAID SILICONE USED IN AN AMOUNT OF AT LEAST 0.01% BY WEIGHT OF THE PHOSPHATIC MATERIAL, HEATING THE MIXTURE TO A TEMPERATURE ABOVE 200* F. AND BELOW THE FUSION POINT OF THE PHOSPHATIC MATERIAL TO DRIVE OFF FLUORINE AND RECOVERING A PHOSPHATIC MATERIAL OF REDUCED FLUORINE CONTENT SUITABLE FOR USE AS AN ANIMAL FEED.
Claim 2
Dependent Claim
136 words
A PROCESS FOR THE MANUFACTURE OF DEFLUORINATED PHOSPHATES WHICH COMPRISES MIXING A PHOSPHATIC MATERIAL CONTAINING FLUORINE IN AN AMOUNT WHICH RENDERS IT UNSUITABLE FOR USE AS AN ANIMAL FEED SELECTED FROM THE GROUP CONSISTING OF PHOSPHATE ROCK, SUPERPHOSPHATE, TRIPLE SUPERPHOSPHATE AND MIXTURES THEREOF, WITH A SILICONE CONTAINING SILICON AND AN ORGANIC GROUP IN THE MOLECULE IN WHICH THE SILOXANE UNTI, SI-O-SI-, IS THE CONTINUING FRAMEWORK, SAID SILICONE SELECTED FROM THE GROUP CONSISTING OF DIMETHYL SILICONE, METHYL PHENYL SILICONE, METHYLCHLOROSILANE AND MIXTURES THEREOF, SAID SILICONE USED IN AN AMOUNT OF AT LEAST 0.01% BY WEIGHT OF THE PHOSPHATIC MATERIAL, HEATING THE MIXTURE TO A TEMPERATURE ABOVE 200* F. AND BELOW THE FUSION POINT OF THE PHOSPHATIC MATERIAL TO DRIVE OFF FLUORINE AND RECOVERING A PHOSPHATIC MATERIAL OF REDUCED FLUORINE CONTENT SUITABLE FOR USE AS AN ANIMAL FEED.
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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |