US2992087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New explosive
Assignee: EIDP Inc
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Filing: 1959-11-03
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Granted: 1961-07-11
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Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Hartwell H Fassnacht
- 👤 Robert W Felch
- 👤 Charles D Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:11
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; C06B25/20; C06B25/32; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/111
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A SELF-SUPPORTING EXPLOSIVE COMPOSITION OF HIGH CAP-SENSITIVENESS AND LOW IMPACT-SENSITIVENESS CONSISTING ESSENTIALLY OF AT LEAST 44% BY WEIGHT OF PENTAERYTHRITOL TETRANITRATE HAVING A MAXIMUM PARTICLE DIMENSION WITHIN THE RANGE OF 0.1 AND 10 MICRONS, THE AVERAGE MAXIMUM PARTICLE DIMENSION BEING WITHIN THE RANGE OF 0.1 AND 2 MICRONS, 6.5-14% BY WEIGHT OF SOLUBLE NITROCELLULOSE HAVING AN AVERAGE DEGREE OF POLYMERIZATION WITHIN THE RANGE OF 2000 AND 3000, AND 15-35% BY WEIGHT OF A TRIALKYL ESTER OF 2-ACETOXY-1,2,3-PROPANETRICARBOXYLIC ACID WHEREIN EACH ALKYL GROUP CONTAINS 2 TO 8 CARBON ATOMS.
Claim 2
Dependent Claim
88 words
A SELF-SUPPORTING EXPLOSIVE COMPOSITION OF HIGH CAP-SENSITIVENESS AND LOW IMPACT-SENSITIVENESS CONSISTING ESSENTIALLY OF AT LEAST 44% BY WEIGHT OF PENTAERYTHRITOL TETRANITRATE HAVING A MAXIMUM PARTICLE DIMENSION WITHIN THE RANGE OF 0.1 AND 10 MICRONS, THE AVERAGE MAXIMUM PARTICLE DIMENSION BEING WITHIN THE RANGE OF 0.1 AND 2 MICRONS, 6.5-14% BY WEIGHT OF SOLUBLE NITROCELLULOSE HAVING AN AVERAGE DEGREE OF POLYMERIZATION WITHIN THE RANGE OF 2000 AND 3000, AND 15-35% BY WEIGHT OF A TRIALKYL ESTER OF 2-ACETOXY-1,2,3-PROPANETRICARBOXYLIC ACID WHEREIN EACH ALKYL GROUP CONTAINS 2 TO 8 CARBON ATOMS.
References Cited (Backward Citations)
CA481223A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |