US3234005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic slurry fertilizer
Assignee: International Minerals and Chemical Corp
•
Filing: 1962-10-05
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Granted: 1966-02-08
•
Expires: 1982-10-05
Abstract
No abstract record available.
Inventors
- 👤 Donald J Smalter
- 👤 Marvin B Gillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:30
CPC Classifications
C; C05; C05B; C05B1/00; C05B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A FERTILIZER COMPOSITION COMPRISING A THIXOTROPIC SLURRY OF AMMONIATED, SOLID, FINELY DIVIDED, ACIDULATED PHOSPHATE ROCK SELECTED FROM THE GROUP CONSISTING OF AMMONIATED SUPERPHOSPHATE, AMMONIATED TRIPLE SUPERPHOSPHATE, AMMONIATED NITRIC SUPERPHOSPHATE AND MIXTURES THEREOF IN AN AQUEOUS SOLUTION CONTAINING A NITROGEN PLANT, UREA, AMMONIUM NITRATE AND MIXTURES THEREOF, SAID AMMONIATED, ACIDULATED PHOSPHATE ROCK CONTAINING FROM ABOUT 4.5 ABOUT 5 POUNDS OF AMMONIA NITROGEN PER UNIT OF P2O5, SAID PHOSPHATE ROCK BEING PRESENT IN AMOUNT OF AT LEAST 5% BY WEIGHT OF SAID SLURRY FERTILIZER COMPOSITION, AND SAID NITROGEN BEING PRESENT IN AN AMOUNT OF AT LEAST 1% BY WEIGHT OF SAID SLURRY FERTILIZER COMPOSITION.
Claim 2
Dependent Claim
102 words
A FERTILIZER COMPOSITION COMPRISING A THIXOTROPIC SLURRY OF AMMONIATED, SOLID, FINELY DIVIDED, ACIDULATED PHOSPHATE ROCK SELECTED FROM THE GROUP CONSISTING OF AMMONIATED SUPERPHOSPHATE, AMMONIATED TRIPLE SUPERPHOSPHATE, AMMONIATED NITRIC SUPERPHOSPHATE AND MIXTURES THEREOF IN AN AQUEOUS SOLUTION CONTAINING A NITROGEN PLANT, UREA, AMMONIUM NITRATE AND MIXTURES THEREOF, SAID AMMONIATED, ACIDULATED PHOSPHATE ROCK CONTAINING FROM ABOUT 4.5 ABOUT 5 POUNDS OF AMMONIA NITROGEN PER UNIT OF P2O5, SAID PHOSPHATE ROCK BEING PRESENT IN AMOUNT OF AT LEAST 5% BY WEIGHT OF SAID SLURRY FERTILIZER COMPOSITION, AND SAID NITROGEN BEING PRESENT IN AN AMOUNT OF AT LEAST 1% BY WEIGHT OF SAID SLURRY FERTILIZER COMPOSITION.
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |