Patent US4084993A successfully refreshed from Google Patents.
US4084993A
Expired / Lapsed
US
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Stable blasting slurry
Assignee: Individual
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Filing: 1976-09-24
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Granted: 1978-04-18
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Expires: 1996-09-24
Abstract
Abstract This invention relates to stabile blasting slurry systems useful particularly with the latest blasting slurry trucks, involving the preparation of particular new fuel liquids mixed with particular oxidizer liquids and including in most embodiments solid oxidizers and solid fuels.
Inventors
- 👤 Melvin A. Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:15
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 61
Claim 1
Independent Claim
149 words
A stable blasting slurry having prolonged stability resulting from the process comprising mixing followed by rapid cooling of a hot (40° to 70° C), guar-gum thickened (by up to 0.5% guar gum) oxidizer liquid with a hot (also 40° to 70° C) fuel liquid fortified with up to 10% dispersing or emulsifying agent and said fuel liquid being either a fuel sensitizer in itself or containing a dissolved or suspended fuel sensitizer dispersed in a liquid carrier, or both, the resulting mixture being gelled by means of a cross-linking agent for guar gum in an amount up to 20% of guar gum thickener content, the stable blasting slurry being density controlled by means of pre-determined quantity of foaming or gassing agent or a low-density porous solid, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures.
Claim 2
Dependent Claim
149 words
A stable blasting slurry having prolonged stability resulting from the process comprising mixing followed by rapid cooling of a hot (40° to 70° C), guar-gum thickened (by up to 0.5% guar gum) oxidizer liquid with a hot (also 40° to 70° C) fuel liquid fortified with up to 10% dispersing or emulsifying agent and said fuel liquid being either a fuel sensitizer in itself or containing a dissolved or suspended fuel sensitizer dispersed in a liquid carrier, or both, the resulting mixture being gelled by means of a cross-linking agent for guar gum in an amount up to 20% of guar gum thickener content, the stable blasting slurry being density controlled by means of pre-determined quantity of foaming or gassing agent or a low-density porous solid, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures.
Claim 3
Dependent Claim
50 words
The stabile blasting slurry resulting from mixing an oxidizer liquid with a fuel liquid wherein said fuel liquid comprises a fuel sensitizer dispersed in a liquid carrier, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures.
Claim 4
Dependent Claim
50 words
The stabile blasting slurry resulting from mixing an oxidizer liquid with a fuel liquid wherein said fuel liquid comprises a fuel sensitizer dispersed in a liquid carrier, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures.
Claim 5
Dependent Claim
21 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a solid fuel sensitizer suspended in a polar liquid.
Claim 6
Dependent Claim
21 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a solid fuel sensitizer suspended in a nonpolar liquid.
Claim 7
Dependent Claim
28 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises gilsonite suspended in a density-matched 43/55/2 solution of pitch-grade tall oil, nitrobenzene, and glacial acetic acid.
Claim 8
Dependent Claim
20 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a nonpolar liquid emulsified in a liquid carrier.
Claim 9
Dependent Claim
30 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises liquid dinitrotoluene containing 0.5 to 10 percent glacial acetic acid in an oxidizer liquid thickened with guar gum.
Claim 10
Dependent Claim
33 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a nonpolar liquid emulsified in a liquid carrier, and mixed with an oxidizer liquid and a solid oxidizer as a coolant.
Claim 11
Dependent Claim
64 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises liquid dinitrotoluene containing 0.5 to 10 percent acetic acid emulsified in an oxidizer liquid thickened with up to 0.5% hydroxyalkyl guar gum in such proportions that the resulting emulsion becomes the fuel liquid with the dinitrotoluene being the fuel sensitizer mixed with an oxidizer liquid and cooled with solid prilled ammonium nitrate.
Claim 12
Dependent Claim
20 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a nonpolar liquid emulsified in a polar liquid.
Claim 13
Dependent Claim
34 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises tall oil dissolved in liquid dinitrotoluene containing 0.5 to 10 percent glacial acetic acid in an oxidizer liquid thickened with guar gum.
Claim 14
Dependent Claim
20 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises dinitrotoluene at 65° C as the nonpolar liquid.
Claim 15
Dependent Claim
24 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises petroleum wax of melting point above 25° C dissolved in tall oil.
Claim 16
Dependent Claim
23 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises petroleum wax of melting point above 25° C containing dissolved nitrobenzene.
Claim 17
Dependent Claim
20 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises a nonpolar liquid containing a dissolved dispersing agent.
Claim 18
Dependent Claim
19 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises dinitrotoluene, emulsified in a thickened oxidizer liquid.
Claim 19
Dependent Claim
25 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises dinitrotoluene containing 0.5 to 10% acetic acid, emulsified in a thickened oxidizer liquid.
Claim 20
Dependent Claim
24 words
The stabile blasting slurry of claim 2 wherein said fuel liquid comprises naphthalene dissolved in dinitrotoluene and 0.5 to 10 percent glacial acetic acid.
Claim 21
Independent Claim
32 words
A method of preparing a stabile blasting slurry which comprises forming a fuel liquid by dispersing a fuel sensitizer in a liquid carrier and mixing said fuel liquid with an oxidizer liquid.
Claim 22
Independent Claim
32 words
A method of preparing a stabile blasting slurry which comprises forming a fuel liquid by dispersing a fuel sensitizer in a liquid carrier and mixing said fuel liquid with an oxidizer liquid.
Claim 23
Dependent Claim
20 words
The method of claim 19 wherein the fuel liquid is formed by suspending a solid fuel in a nonpolar liquid.
Claim 24
Dependent Claim
20 words
The method of claim 19 wherein the fuel liquid is formed by emulsifying a nonpolar liquid in a liquid carrier.
Claim 25
Dependent Claim
34 words
The method of claim 19 wherein the fuel liquid is formed by emulsifying a nonpolar liquid in a liquid carrier, and mixing said fuel liquid with an oxidizer liquid and a cool solid oxidizer.
Claim 26
Dependent Claim
20 words
The method of claim 19 wherein the fuel liquid is formed by emulsifying a nonpolar liquid in a polar solution.
Claim 27
Dependent Claim
20 words
The method of claim 19 wherein the fuel liquid is formed by dissolving a nonpolar substance in a nonpolar liquid.
Claim 28
Dependent Claim
30 words
The method of claim 19 wherein the fuel liquid is formed by dissolving a nonpolar liquid in a nonpolar liiquid and mixing said fuel liquid with a thickened oxidizer liquid.
Claim 29
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing dinitrotoluene containing dissolved acetic acid with a thickened oxidizer liquid.
Claim 30
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing dinitrotoluene containing dissolved acetic acid with a thickened oxidizer liquid.
Claim 31
Dependent Claim
24 words
A stabile blasting slurry resulting from forming an emulsion by mixing dinitrotoluene containing dissolved acetic acid with ammonium nitrate, calcium nitrate, water and gum.
Claim 32
Dependent Claim
24 words
A stabile blasting slurry resulting from forming an emulsion by mixing dinitrotoluene containing dissolved acetic acid with ammonium nitrate, calcium nitrate, water and gum.
Claim 33
Dependent Claim
26 words
A stabile blasting slurry resulting from emulsifying molten dinitrotoluene in an aqueous solution of ammonium nitrate, calcium nitrate and gum, and mixing with an oxidizer liquid.
Claim 34
Dependent Claim
26 words
A stabile blasting slurry resulting from emulsifying molten dinitrotoluene in an aqueous solution of ammonium nitrate, calcium nitrate and gum, and mixing with an oxidizer liquid.
Claim 35
Dependent Claim
35 words
A stabile blasting slurry resulting from emulsifying molten dinitrotoluene in an aqueous solution of ammonium nitrate, calcium nitrate, and gum, and mixing with said emulsion, solid ammonium nitrate and a cross-linker in glacial acetic acid.
Claim 36
Dependent Claim
35 words
A stabile blasting slurry resulting from emulsifying molten dinitrotoluene in an aqueous solution of ammonium nitrate, calcium nitrate, and gum, and mixing with said emulsion, solid ammonium nitrate and a cross-linker in glacial acetic acid.
Claim 37
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing gilsonite suspended in a fuel liquid and an oxidizer liquid.
Claim 38
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing gilsonite suspended in a fuel liquid and an oxidizer liquid.
Claim 39
Dependent Claim
18 words
A stabile blasting slurry resulting from mixing gilsonite suspended in a fuel liquid and a thickened oxidizer liquid.
Claim 40
Dependent Claim
18 words
A stabile blasting slurry resulting from mixing gilsonite suspended in a fuel liquid and a thickened oxidizer liquid.
Claim 41
Dependent Claim
16 words
A stabile blasting slurry resulting from mixing a gilsonite-dinitrotoluene fuel liquid suspension and an oxidizer liquid.
Claim 42
Dependent Claim
16 words
A stabile blasting slurry resulting from mixing a gilsonite-dinitrotoluene fuel liquid suspension and an oxidizer liquid.
Claim 43
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing a gilsonite-dinitrotoluene fuel liquid suspension and a thickened oxidizer liquid.
Claim 44
Dependent Claim
17 words
A stabile blasting slurry resulting from mixing a gilsonite-dinitrotoluene fuel liquid suspension and a thickened oxidizer liquid.
Claim 45
Dependent Claim
28 words
A stabile blasting slurry resulting from mixing a hot oxidizer liquid, hot gilsonite-fuel liquid suspension and prilled ammonium nitrate while adding a cross-linker and a density control agent.
Claim 46
Dependent Claim
28 words
A stabile blasting slurry resulting from mixing a hot oxidizer liquid, hot gilsonite-fuel liquid suspension and prilled ammonium nitrate while adding a cross-linker and a density control agent.
Claim 47
Dependent Claim
19 words
A stabile blasting slurry resulting from dissolving naphthalene in a fuel liquid and dispersing in a thickened oxidizer liquid.
Claim 48
Dependent Claim
19 words
A stabile blasting slurry resulting from dissolving naphthalene in a fuel liquid and dispersing in a thickened oxidizer liquid.
Claim 49
Dependent Claim
11 words
The slurry of claim 35 wherein the fuel liquid is dinitrotoluene.
Claim 50
Dependent Claim
11 words
The slurry of claim 35 wherein the fuel liquid is nitrobenzene.
Claim 51
Dependent Claim
41 words
A stabile blasting slurry resulting from dissolving naphthalene in a fuel liquid and dispersing in an oxidizer liquid comprising an aqueous solution of ammonium nitrate, calcium nitrate, and gum, with the addition of solid ammonium nitrate, cross-linker, sodium nitrate and water.
Claim 52
Dependent Claim
41 words
A stabile blasting slurry resulting from dissolving naphthalene in a fuel liquid and dispersing in an oxidizer liquid comprising an aqueous solution of ammonium nitrate, calcium nitrate, and gum, with the addition of solid ammonium nitrate, cross-linker, sodium nitrate and water.
Claim 53
Dependent Claim
25 words
A stable blasting slurry resulting from a fuel liquid comprising a suspension of `creamed` wax in a nonpolar liquid of melting point above 30° C.
Claim 54
Dependent Claim
25 words
A stable blasting slurry resulting from a fuel liquid comprising a suspension of `creamed` wax in a nonpolar liquid of melting point above 30° C.
Claim 55
Dependent Claim
14 words
The blasting slurry of claim 39 wherein the carrier liquid is pitch tall oil.
Claim 56
Dependent Claim
12 words
The blasting slurry of claim 39 wherein the carrier liquid is dinitrotoluene.
Claim 57
Dependent Claim
12 words
The blasting slurry of claim 39 wherein the carrier liquid is nitrobenzene.
Claim 58
Dependent Claim
22 words
A blasting slurry resulting from a pitch tall oil sensitized slurry mixed with solid ammonium nitrate, cross-linker, density control agent and water.
Claim 59
Dependent Claim
22 words
A blasting slurry resulting from a pitch tall oil sensitized slurry mixed with solid ammonium nitrate, cross-linker, density control agent and water.
Claim 60
Dependent Claim
137 words
The stable blasting slurry, resulting from mixing oxidizer liquid with a fuel liquid wherein said fuel liquid comprises a fuel sensitizer dispersed in liquid carrier, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures, wherein the oxidizer liquid has a fudge point above 40° C and wherein the fuel liquid comprises a member of the group consisting of naphthalene, pitch tall oil and high melting waxes, dissolved in a nitrated aromatic hydrocarbon of melting point above 30° C, said fuel liquid being dispersed in said oxidizer liquid as an emulsion at 60° to 65° C by dissolved glacial acetic acid and a hydroxy alkyl gum, said fuel and oxygen liquid dispersion being thickly solidified by the addition of a cold free running solid.
Claim 61
Dependent Claim
137 words
The stable blasting slurry, resulting from mixing oxidizer liquid with a fuel liquid wherein said fuel liquid comprises a fuel sensitizer dispersed in liquid carrier, with the proviso that the aforesaid fuel liquids are limited to those having melting points at least 10° C higher than ambient temperatures, wherein the oxidizer liquid has a fudge point above 40° C and wherein the fuel liquid comprises a member of the group consisting of naphthalene, pitch tall oil and high melting waxes, dissolved in a nitrated aromatic hydrocarbon of melting point above 30° C, said fuel liquid being dispersed in said oxidizer liquid as an emulsion at 60° to 65° C by dissolved glacial acetic acid and a hydroxy alkyl gum, said fuel and oxygen liquid dispersion being thickly solidified by the addition of a cold free running solid.
References Cited (Backward Citations)
US3406051A
Cited
US3834954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-04-17 | 1981-10-17 | 1982-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-17 | 1985-10-17 | 1986-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-17 | 1989-10-17 | 1990-04-18 | $7700.00 | Window Closed / Lapsed |