US2794701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ammonium nitrate of reduced tendency to caking and setting on storage and method of producing same
Assignee: Imperial Chemical Industries Ltd
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Filing: 1956-07-02
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Granted: 1957-06-04
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Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Ames Jack
- 👤 Pierpoint Edward Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:35
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/009; B; B01; B01J; B01J2/00; B01J2/30; C01; C01C; C01C1/00; C01C1/18; C05; C05C; C05C1/00; C05C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AMMONIUM NITRATE OF REDUCED TENDENCY TO CAKING AND SETTING ON STAGE AND OF SUBSTANTIALLY NORMAL WHITE APPEARANCE COMPRISING DISCRETE AMMONIUM NITRATE PARTICLES CARRYING ON THEIR SURFACES A DEPOSIT COMPRISING A SALT, SOLUBLE IN A SATURATED AQUEOUS AMMONIUM NITRATE SOLUTION AT 20* C., OF AT LEAST ONE CONDENSATION PRODUCT OF 1 MOL. OF FORMALDEHYDE AND 2 MOLS OF A MONOMETHYLNAPHTHALENEMONOSULPHONIC ACID, THE AMOUNT OF SAID SALT BEING FROM 0.025% UPWARDS BASED ON THE WEIGHT OF THE DRY AMMONIUM NITRATE PARTICLES.
Claim 2
Dependent Claim
79 words
AMMONIUM NITRATE OF REDUCED TENDENCY TO CAKING AND SETTING ON STAGE AND OF SUBSTANTIALLY NORMAL WHITE APPEARANCE COMPRISING DISCRETE AMMONIUM NITRATE PARTICLES CARRYING ON THEIR SURFACES A DEPOSIT COMPRISING A SALT, SOLUBLE IN A SATURATED AQUEOUS AMMONIUM NITRATE SOLUTION AT 20* C., OF AT LEAST ONE CONDENSATION PRODUCT OF 1 MOL. OF FORMALDEHYDE AND 2 MOLS OF A MONOMETHYLNAPHTHALENEMONOSULPHONIC ACID, THE AMOUNT OF SAID SALT BEING FROM 0.025% UPWARDS BASED ON THE WEIGHT OF THE DRY AMMONIUM NITRATE PARTICLES.
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |