Patent US4416711A successfully refreshed from Google Patents.
US4416711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perchlorate slurry explosive
Assignee: Ireco Inc
•
Filing: 1982-12-17
•
Granted: 1983-11-22
•
Expires: 2002-12-17
Abstract
Abstract The present invention relates to improved explosive compositions of the aqueous slurry type. More particularly, the invention relates to explosive compositions containing sodium perchlorate, polysaccharide polymer of plant origin, water, and preferably, gassing and cross-linking agents and particulate sensitizers such as finely divided aluminum. These compositions have improved physical and detonation properties over prior art compositions, and in addition, they form excellent "permissible" explosive compositions, even though sodium perchlorate is present.
Inventors
- 👤 Harvey A. Jessop
- 👤 Albert G. Funk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:37
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
47 words
An explosive composition comprising, by weight based on the total composition: (a) at least about 35% sodium perchlorate, (b) from about 17% to about 35% water, (c) from about 8% to about 25% polysaccharide polymer of plant origin; and (d) minor amounts of gassing and cross-linking agents.
Claim 2
Dependent Claim
47 words
An explosive composition comprising, by weight based on the total composition: (a) at least about 35% sodium perchlorate, (b) from about 17% to about 35% water, (c) from about 8% to about 25% polysaccharide polymer of plant origin; and (d) minor amounts of gassing and cross-linking agents.
Claim 3
Dependent Claim
39 words
An explosive composition according to claim 1, wherein the polysaccharide polymer of plant origin is selected from the group consisting of potato starch, wheat starch, corn starch, manniock, tamarind seed, tapioca, rice, and ground whole grains and mixtures thereof.
Claim 4
Dependent Claim
16 words
An explosive composition according to claim 2, wherein the polysaccharide polymer of plant origin is starch.
Claim 5
Dependent Claim
13 words
An explosive composition according to claim 3, wherein the starch is wheat starch.
Claim 6
Dependent Claim
25 words
An explosive composition according to claim 1, wherein the gassing agent is selected from the group which consists of a nitrite salt and hollow particles.
Claim 7
Dependent Claim
15 words
An explosive composition according to claim 1, wherein the cross-linking agent is a metallic ion.
Claim 8
Dependent Claim
23 words
An explosive composition according to claim 1, additionally containing a water-miscible liquid organic fuel in an amount of from 0.1% to about 5%.
Claim 9
Dependent Claim
24 words
An explosive composition according to claim 7, wherein the liquid organic fuel is selected from the group consisting of urea, formamide and ethylene glycol.
Claim 10
Dependent Claim
17 words
An explosive composition according to claim 1, additionally containing from 0% to 40% finely divided aluminum particles.
Claim 11
Dependent Claim
27 words
A permissible explosive composition comprising: (a) sodium perchlorate, (b) water, (c) polysaccharide polymer of plant origin, (d) gassing and cross-linking agents, and (e) finely divided aluminum particles.
Claim 12
Dependent Claim
27 words
A permissible explosive composition comprising: (a) sodium perchlorate, (b) water, (c) polysaccharide polymer of plant origin, (d) gassing and cross-linking agents, and (e) finely divided aluminum particles.
Claim 13
Dependent Claim
63 words
A permissible explosive composition according to claim 10, comprising by weight based on the total composition: (a) at least about 35% sodium perchlorate, (b) from about 17% to about 35% water, (c) from about 8% to about 25% polysaccharide polymer of plant origin, (d) minor amounts of gassing and cross-linking agents, and (e) from about 2% to about 8% finely divided aluminum particles.
Claim 14
Dependent Claim
40 words
A permissible explosives composition according to claim 11, wherein the polysaccharide polymer of plant origin is selected from the group consisting of potato starch, wheat starch, corn starch, manniock, tamarind seed, tapioca, rice, and ground whole grains and mixtures thereof.
Claim 15
Dependent Claim
24 words
A permissible explosives composition according to claim 11, additionally containing a water-miscible liquid organic fuel in an amount of from 0.1% to about 5%.
References Cited (Backward Citations)
US3457126A
Cited
US3453158A
Cited
US3617402A
Cited
US3507718A
Cited
US3765967A
Cited
US3886010A
Cited
US3940297A
Cited
US3899374A
Cited
US3925123A
Cited
US4140561A
Cited
US4104092A
Cited
US4149916A
Cited
US4207125A
Cited
US4380482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-11-21 | 1987-05-23 | 1987-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-11-21 | 1991-05-23 | 1991-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-11-21 | 1995-05-23 | 1995-11-22 | $7700.00 | Window Closed / Lapsed |