US3232740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agricultural nutrient containing urea
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1962-10-24
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Granted: 1966-02-01
•
Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Sor Kamil
- 👤 Robert L Stansbury
- 👤 Ment Jack D De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:35
CPC Classifications
C; C05; C05G; C05G3/00; C05G3/90; C05C; C05C9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
AN AGRICULTURAL NUTRIENT COMPOSITION PELLET WHICH CONSISTS ESSENTIALLY OF UREA PARTICLES FROM 6-MESH TO 80MESH SIZE AS THE NUTRIENT MIXED THOROUGHLY WITH 60-MESH TO 120-MESH SIZE PARTICLES OF UREASE INHIBITOR SELECTED FROM THE GROUP CONSISTING OF METHYL-UREA, THIOUREA, SYM-DIMETHYL UREA, UNSYM-DIMETHYL UREA, PHENYL UREA, T-BUTYL UREA, AND N-BUTYL UREA IN A PROPORTION OF 0.01 TO 10.0 WT. PERCENT OF THE UREA TO INHIBIT DECOMPOSITION OF THE UREA IN THE PELLET OF UREASE, SAID NUTRIENT AND SAID UREASE INHIBITOR BEING BOUND AND COATED WITH 3 TO 25% BY WEIGHT BASED ON THE AMOUNT OF UREA OF A SOLID PETROLEUM HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAXES, PETROLEUM ASPHALTS, PETROLEUM RESINS, AND BLENDS THEREOF, SAID NUTRIENT UREASE INHIBITOR AND SOLID PETROLEUM HYDROCARBON FORMING A COMPACT, FIRM, AND STRONG PELLET.
Claim 2
Dependent Claim
129 words
AN AGRICULTURAL NUTRIENT COMPOSITION PELLET WHICH CONSISTS ESSENTIALLY OF UREA PARTICLES FROM 6-MESH TO 80MESH SIZE AS THE NUTRIENT MIXED THOROUGHLY WITH 60-MESH TO 120-MESH SIZE PARTICLES OF UREASE INHIBITOR SELECTED FROM THE GROUP CONSISTING OF METHYL-UREA, THIOUREA, SYM-DIMETHYL UREA, UNSYM-DIMETHYL UREA, PHENYL UREA, T-BUTYL UREA, AND N-BUTYL UREA IN A PROPORTION OF 0.01 TO 10.0 WT. PERCENT OF THE UREA TO INHIBIT DECOMPOSITION OF THE UREA IN THE PELLET OF UREASE, SAID NUTRIENT AND SAID UREASE INHIBITOR BEING BOUND AND COATED WITH 3 TO 25% BY WEIGHT BASED ON THE AMOUNT OF UREA OF A SOLID PETROLEUM HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAXES, PETROLEUM ASPHALTS, PETROLEUM RESINS, AND BLENDS THEREOF, SAID NUTRIENT UREASE INHIBITOR AND SOLID PETROLEUM HYDROCARBON FORMING A COMPACT, FIRM, AND STRONG PELLET.
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |