US2744816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid gas-generating charges
Assignee: Imperial Chemical Industries Ltd
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Filing: 1953-08-11
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Granted: 1956-05-08
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Expires: 1973-08-11
Abstract
No abstract record available.
Inventors
- 👤 Alexander Cantlay Hutchison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:38
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; C06B25/00; C06B25/04; C06B25/34; C06D; C06D5/00; C06D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A NON-EXPLOSIVE GAS-GENERATING CHARGE CONSISITING IN MAJOR PART OF GUANIDINE NITRATE AND COMPRISING ADMIXED THEREWITH, IN PORTION NOT EXCEEDING 35 PER CENT BY WEIGHT THEREOF, A PHENOL CONTAINING IN ADDITION TO AT LEAST ONE PHENOL HYDROXYL GROUP A PLURALITY OF SUBSTITUENT GROUPS EACH CONSISTING OF A NITROGEN ATOM ATTACHED EXCLUSIVELY TO AT LEAST ONE TERMINAL OXYGEN ATOM AND TO ONE OF THE NUCLEAR CARBON ATOMS OF THE PHENOL; SAID CHARGE BEING NON-DETONATABLE BY A BLASTING CAP AND BEING CAPABLE, WHEN A LOCALIZED PORTION THEREOF IS HEATED SUFFICIENTLY HOT TO INITIATE DECOMPOSITION, OF SELF-SUBSTAINING, NON-DETONATING, GAS-EVOLVING, EXOTHERMIC DECOMPOSITION AT PRESSURES LOWER THAN 70 ATMOSPHERES.
Claim 2
Dependent Claim
103 words
A NON-EXPLOSIVE GAS-GENERATING CHARGE CONSISITING IN MAJOR PART OF GUANIDINE NITRATE AND COMPRISING ADMIXED THEREWITH, IN PORTION NOT EXCEEDING 35 PER CENT BY WEIGHT THEREOF, A PHENOL CONTAINING IN ADDITION TO AT LEAST ONE PHENOL HYDROXYL GROUP A PLURALITY OF SUBSTITUENT GROUPS EACH CONSISTING OF A NITROGEN ATOM ATTACHED EXCLUSIVELY TO AT LEAST ONE TERMINAL OXYGEN ATOM AND TO ONE OF THE NUCLEAR CARBON ATOMS OF THE PHENOL; SAID CHARGE BEING NON-DETONATABLE BY A BLASTING CAP AND BEING CAPABLE, WHEN A LOCALIZED PORTION THEREOF IS HEATED SUFFICIENTLY HOT TO INITIATE DECOMPOSITION, OF SELF-SUBSTAINING, NON-DETONATING, GAS-EVOLVING, EXOTHERMIC DECOMPOSITION AT PRESSURES LOWER THAN 70 ATMOSPHERES.
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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |