US2653086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-producing nondetonating composition
Assignee: Imperial Chemical Industries Ltd
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Filing: 1949-06-24
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Granted: 1953-09-22
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Expires: 1969-06-24
Abstract
No abstract record available.
Inventors
- 👤 Taylor James
- 👤 Hutchison Alexander Cantlay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:53
CPC Classifications
C; C06; C06D; C06D5/00; C06D5/06; C06B; C06B23/00; C06B23/007; C06B25/00; C06B25/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A GAS-PRODUCING CHARGE OF THE TYPE HEREIN DEFINED CONSISTING ESSENTIALLY OF A PREPONDERATING PROPORTION OF NITROGUANIDINE, A PRESSING AGENT COMPRISING DIPHENYL DIETHYL UREA, AND A PULVERULENT CHROMIUM COMPOUND SENSITIZER FOR THE NITROGUANIDINE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHROMATES, ALKALI METAL DICHROMATES, AMMONIUM DICHROMATE, AND CHROMIUM SESQUIOXIDE.
Claim 2
Dependent Claim
49 words
A GAS-PRODUCING CHARGE OF THE TYPE HEREIN DEFINED CONSISTING ESSENTIALLY OF A PREPONDERATING PROPORTION OF NITROGUANIDINE, A PRESSING AGENT COMPRISING DIPHENYL DIETHYL UREA, AND A PULVERULENT CHROMIUM COMPOUND SENSITIZER FOR THE NITROGUANIDINE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHROMATES, ALKALI METAL DICHROMATES, AMMONIUM DICHROMATE, AND CHROMIUM SESQUIOXIDE.
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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |