US437499A - Demitry mindeleff - Google Patents

Demitry mindeleff Download PDF

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US437499A
US437499A US437499DA US437499A US 437499 A US437499 A US 437499A US 437499D A US437499D A US 437499DA US 437499 A US437499 A US 437499A
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mindeleff
explosive
demitry
glycerine
nitro
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    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B25/00Compositions containing a nitrated organic compound
    • C06B25/28Compositions containing a nitrated organic compound the compound being nitrocellulose present as less than 10% by weight of the total composition
    • C06B25/30Compositions containing a nitrated organic compound the compound being nitrocellulose present as less than 10% by weight of the total composition with nitroglycerine

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  • My present invention is an improvement in T6 explosives; and its object is toproduce a high-power explosive which will be largely insensitive to concussion;and it consists, essentially, in combining with nitro-glycerine alcohols, preferably methyl alcohol, which insensitizes the nitro-glycerine, and pyroxyline, as will be hereinafter explained and claimed.
  • the resultant product will have a jelly-like appearance and consistency, and to this product I add gradually, during continu- 30 Oil-S agitation thereof, nitro-glycerine in such quantities as to result in amixture containing about seventy or seventy-five per cent. nitrm glycerineand twenty-five to thirty per cent.
  • An'explosive compound consisting of a combination of nitro-glycerine, an alcohol, and a soluble explosive, substantially as described.
  • Anexplosivc compound consisting of a combination-of nitro-glycerine' and an alcohol, and pyroxyline, substantially as descrihed.
  • An explosive compound consisting of a combination of nilro-glycerine and methyl alcohol and pyroiiyline, substantially as described.

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  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Description

Sterne PATENT Fries,
DEMITRY MINDELEFF, or SAN FRANCISCO, CALIFORNIA.
' SEECIFICATION forming part of Letters Patent No. 437,499, dated September 39, 1890i Application filed June 11, 1890. Serial No, 355,062. (No specimens.)
In all whom it may concern:
Be it known that I, DEMITRY MINDELEFF, of San Francisco, in the county of San Francisco and State of California, have invented certain new and useful Improvements in Explosive Compounds; and I do hereby declare that the followingis a full, clear, and exact description thereof.
My present invention is an improvement in T6 explosives; and its object is toproduce a high-power explosive which will be largely insensitive to concussion;and it consists, essentially, in combining with nitro-glycerine alcohols, preferably methyl alcohol, which insensitizes the nitro-glycerine, and pyroxyline, as will be hereinafter explained and claimed.
In preparing this explosive I take from twenty to twenty-ii ve per cent. of intro-glycer- -ine and seventy-five to eighty per cent. of :0 methyl alcohol and mix the same, and then to about each one hundred cubic centimeters of the latter mixture I add from seven to ten grams of soluble pyroxyline and agitate the .mass until all the pyroxyline is dissolved, keepz'5 ing the mixture eta temperature of from about to ce'ntigrade-not exceeding 40 centigrade. The resultant product will have a jelly-like appearance and consistency, and to this product I add gradually, during continu- 30 Oil-S agitation thereof, nitro-glycerine in such quantities as to result in amixture containing about seventy or seventy-five per cent. nitrm glycerineand twenty-five to thirty per cent.
' of methyl alcohol. This mixture is in itself a 35" powerful and insensitive explosive, and in order to increase its density I add thereto about .as much soluble pyroxyline as the mixture will dissolve. z
- When nitro-glycerine is the second time .59 added to 'thgesolution, as above, the pyroxyline will first separated-self, but will, with time and agitation, gradually rcdissolvc. Tho final product constitutes a most powerful explosive and has a fluid orsemi-iluid consistency.
If it is desired to make the explosive plastic Ignited in the open air, it will v about 280 centigrade, when itexplodes. In
exploding shells, cartridges, 850.,- the aid of both concussion and fire is employed.
Having described my invention, what I claim as new, and desire to secure by Letters Patent thereon, is-
1. An'explosive compound consisting of a combination of nitro-glycerine, an alcohol, and a soluble explosive, substantially as described. 2. Anexplosivc compound consisting of a combination-of nitro-glycerine' and an alcohol, and pyroxyline, substantially as descrihed. v Q
3. An explosive compound consisting of a combination of nilro-glycerine and methyl alcohol and pyroiiyline, substantially as described. a
In testimony that I claim the foregoing as my own I afiix my signature in presence of two witnesses.
n. MINDELEFF,
US437499D Demitry mindeleff Expired - Lifetime US437499A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440327A (en) * 1943-12-29 1948-04-27 Univ Minnesota "hot" double-base powder
US2574479A (en) * 1943-01-30 1951-11-13 Clarence N Hickman Propellant having an opacifier for preventing self-ignition by radiant energy radiations

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574479A (en) * 1943-01-30 1951-11-13 Clarence N Hickman Propellant having an opacifier for preventing self-ignition by radiant energy radiations
US2440327A (en) * 1943-12-29 1948-04-27 Univ Minnesota "hot" double-base powder

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