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Patent US4701227A successfully refreshed from Google Patents.
US4701227A
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Ammonium nitrate explosive compositions
Assignee: United States Department of the Air Force
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Filing: 1987-02-05
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Granted: 1987-10-20
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Expires: 2007-02-05
Abstract
Abstract The shock sensitivity of explosives based on ammonium nitrate can be decreased by adding thereto a desensitizing amount of a polyethyleneimine or a polyethyleneimine polynitrate.
Inventors
- 👤 Nicholas P. Loverro, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:45
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/30; C06B23/00; C06B23/001
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
24 words
A method for desensitizing explosive compositions based upon ammonium nitrate which consists essentially of incorporating a desensitizing amount of a polyethyleneimine into said composition.
Claim 2
Independent Claim
24 words
A method for desensitizing explosive compositions based upon ammonium nitrate which consists essentially of incorporating a desensitizing amount of a polyethyleneimine into said composition.
Claim 3
Dependent Claim
16 words
The method of claim 1 wherein said desensitizing amount is about 0.5 to 15 weight percent.
Claim 4
Dependent Claim
20 words
The method of claim 1 wherein said polyethyleneimine has an average molecule weight of about 10,000 to greater than 60,000.
Claim 5
Dependent Claim
27 words
The method of claim 1 wherein said explosive composition is a eutectic mixture of 46 wt% ammonium nitrate, 46 wt% ethylenediamine dinitrate and 8 wt% potassium nitrate.
Claim 6
Dependent Claim
16 words
The method of claim 4 wherein said polyethyleneimine has an average molecular weight of about 10,000.
Claim 7
Dependent Claim
15 words
The method of claim 4 wherein the amount of said polyethyleneimine is 2 wt percent.
Claim 8
Dependent Claim
15 words
The method of claim 5 wherein the amount of said polyethyleneimine is 5 wt. percent.
Claim 9
Independent Claim
25 words
A method for desensitizing explosive compositions based upon ammonium nitrate which consists essentially of incorporating a desensitizing amount of a polyethyleneimine polynitrate into said composition.
Claim 10
Independent Claim
25 words
A method for desensitizing explosive compositions based upon ammonium nitrate which consists essentially of incorporating a desensitizing amount of a polyethyleneimine polynitrate into said composition.
Claim 11
Dependent Claim
16 words
The method of claim 8 wherein said desensitizing amount is about 0.5 to 15 weight percent.
Claim 12
Dependent Claim
26 words
The method of claim 8 wherein said polyethyleneimine polynitrate is derived from a polyethyleneimine having an average molecular weight of about 10,000 to greater than 60,000.
Claim 13
Dependent Claim
27 words
The method of claim 8 wherein said explosive composition is a eutectic mixture of 46 wt% ammonium nitrate, 46 wt% ethylenediamine dinitrate and 8 wt% potassium nitrate.
Claim 14
Dependent Claim
19 words
An explosive composition consisting essentially of an explosive based upon ammonium nitrate and a desensitizing amount of a polyethyleneimine.
Claim 15
Dependent Claim
19 words
An explosive composition consisting essentially of an explosive based upon ammonium nitrate and a desensitizing amount of a polyethyleneimine.
Claim 16
Dependent Claim
23 words
The composition of clainm 12 wherein said desensitizing amount is about 0.5 to 15 wt percent based upon the weight of said explosive.
Claim 17
Dependent Claim
23 words
The composition of clainm 12 wherein said desensitizing amount is about 0.5 to 15 wt percent based upon the weight of said explosive.
Claim 18
Dependent Claim
19 words
The composition of claim 13 wherein said explosive is a mixture of ammonium nitrate, ethylenediamine dinitrate and potassium nitrate.
Claim 19
Dependent Claim
12 words
The composition of claim 14 wherein said mixture is a 46:46:8 mixture.
Claim 20
Dependent Claim
16 words
The composition of claim 15 wherein the amount of said polyethyleneimine is about 2 wt percent.
Claim 21
Dependent Claim
20 words
An explosive composition consisting essentially of an explosive based upon ammonium nitrate and a desensitizing amount of a polyethyleneimine polynitrate.
Claim 22
Dependent Claim
20 words
An explosive composition consisting essentially of an explosive based upon ammonium nitrate and a desensitizing amount of a polyethyleneimine polynitrate.
Claim 23
Dependent Claim
23 words
The composition of claim 17 wherein said desensitizing amount is about 0.5 to 15 wt percent based upon the weight of said explosive.
Claim 24
Dependent Claim
19 words
The composition of claim 18 wherein said explosive is a mixture of ammonium nitrate, ethylenediamine dinitrate and potassium nitrate.
Claim 25
Dependent Claim
12 words
The composition of claim 19 wherein said mixture is a 46:46:8 mixture.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-10-19 | 1991-04-20 | 1991-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-10-19 | 1995-04-20 | 1995-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-10-19 | 1999-04-20 | 1999-10-20 | $7700.00 | Window Closed / Lapsed |