US2590529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fumigating compositions
Assignee: Imperial Chemical Industries Ltd
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Filing: 1948-12-16
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Granted: 1952-03-25
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Expires: 1968-12-16
Abstract
No abstract record available.
Inventors
- 👤 Gillies John
- 👤 Rowe John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:02
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A FUMIGATING COMPOSITION COMPRISING AN ADMIXTURE OF A THERMALLY VAPORISABLE PESTICIDAL COMPOUND AND AMMONIUM NITRATE-CHARCOAL GRAINS FORMED BY MILLING CHARCOAL AND AMMONIUM NITRATE TOGETHER IN THE PRESENCE OF WATER AND THEREBY AT LEAST PARTIALLY ABSORBING THE AMMONIUM NITRATE BY THE CHARCOAL, THE AMOUNT OF AMMONIUM NITRATE BEING INSUFFICIENT TO BRING ABOUT THE OXIDATION OF ALL OF THE CHARCOAL TO CARBON MONOXIDE AND SUFFICIENT TO UNDERGO SELF-SUSTAINED THERMAL DECOMPOSITION AND THEREBY VAPORIZE SAID PESTICIDAL COMPOUND.
Claim 2
Dependent Claim
74 words
A FUMIGATING COMPOSITION COMPRISING AN ADMIXTURE OF A THERMALLY VAPORISABLE PESTICIDAL COMPOUND AND AMMONIUM NITRATE-CHARCOAL GRAINS FORMED BY MILLING CHARCOAL AND AMMONIUM NITRATE TOGETHER IN THE PRESENCE OF WATER AND THEREBY AT LEAST PARTIALLY ABSORBING THE AMMONIUM NITRATE BY THE CHARCOAL, THE AMOUNT OF AMMONIUM NITRATE BEING INSUFFICIENT TO BRING ABOUT THE OXIDATION OF ALL OF THE CHARCOAL TO CARBON MONOXIDE AND SUFFICIENT TO UNDERGO SELF-SUSTAINED THERMAL DECOMPOSITION AND THEREBY VAPORIZE SAID PESTICIDAL COMPOUND.
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) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |