US1220001A - Material for the preservation of lumber. - Google Patents

Material for the preservation of lumber. Download PDF

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Publication number
US1220001A
US1220001A US10280216A US10280216A US1220001A US 1220001 A US1220001 A US 1220001A US 10280216 A US10280216 A US 10280216A US 10280216 A US10280216 A US 10280216A US 1220001 A US1220001 A US 1220001A
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Prior art keywords
coal tar
preservation
lumber
distillation
specific gravity
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US10280216A
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Peter C Reilly
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/01—Hydrocarbons
    • A61K31/015—Hydrocarbons carbocyclic

Definitions

  • My present invention pertains to an improved material for the treatment of lumber, for the preservation thereof.
  • a compositionof matter, for" use in the preservation of timber comprising a mixture of a Waxy material produced as a distillate from coal tar, and having a specific gravity of not less than 1.14 and a hard material formed as a. distillate from coal tar and having a specific gravity of not less than 1.22, said materialsbeing dissolved in the lighter oils distilled from coal tar.
  • a composition of matter, for use in the preservation of timber comprising a mixture of those materials which are produced ofi therefrom up to a temperature approxi- 1, as a distillate from coal tar when the latter mating 1000F.

Description

. Be it known that I, PETER PETER C. REILLY, OF INDIANAPOLIS, INDIANA.
MATERIAL FOR THE PRESERVATION OF LUMBER.
Specification of Letters Patent.
Patented Mar. 20, 1917.
No Drawing. Application filed March, 28, 1914, Serial No. 827,966. Renewed June 9, 1916. Serial No.
To all whom it may concern:
' biti'zen of the United States, residing. at.
Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Material for the Preservation of Lumber, of Which the following is a specification.
My present invention pertains to an improved material for the treatment of lumber, for the preservation thereof.
In the manufacture of such material I have, through a new process of distillation of coal tar or coal tar pitch, produced two new substances and intermixed said substances with a suitable solvent, preferably the lighter oils driven off during the first distillation of coal tar, and used this compound as a preservative material for treating lumber..
. Ordinarily, in the distillation of coal tar, such distillation is discontinued when the anthacene oil stops coming over. It has been proposed heretofore in an experimental manner to continue such distillation, but according to Lunge, in Goal Tar and Ammom'a, 4th edition, 1909, p. 454, et 869., such attempts to completely distil coal tar or coal tar pitch have not been successful. I have by the employment ofa still which is subjected to an even temperature over its entire exterior surface, been able to commercially distil coal tar and coal tar pitch so that they will ultimately produce three products heretofore not commercially known, namely, a material orangein color which passes from the still when the same is subjected to a temperature approximately from 700 to 800 F., this after the anthracene has passed over, which material is Waxy at 70 F., and has a specific gravity of from 1.147 up to 1.22; secondly, a hard, garnet-colored product, brittle at 70 F., having a specific gravity of not less than 1.22 and which, when out with a knife flakes, the cut surface of the material likewise bein of a brilliant garnet color; and thir y, a dry coke, sponge-like in appearance and which is readily handled. These first two products I intermix and dissolve in a suitable solvent such, for instance, as
the oils distilled from coal tar during the first distillation thereof. The mixture thus produced is extremely valuable for use in C. REILLY, a
the preservation of Wood, and lumber, such as street-paving materials, railroad ties and the like. Heretofore the relatively light oils produced in the distillation of coal tar have passed into the material, the'mixture remains therein, regardless of temperature or moisture conditions, the compound being very efficient as a preservative and likewise being stable. tioned does not, of course, enter intothe preservative composition,-but is employed in various commercial ways.
No claim is made herein to the ,process of producing the materials above set forth, as thatforms the subject matter of my copending application Serial No. 827,965, filed on'or about March 28, 1914, nor is any'claim made to the still which is subject to an even temperature over its entire exteriorsurface, as above mentioned, as said still construction forms the subject matter of my copending application Serial No. 827,967, filed on or about March-28, 1914.
The dry coke above men been employed as preservatives for lumber,
Having'thus described my invention, What i late from coal tar, and having a specific gravity of not less than 1.14; a hard material formed as a distillate from coal tar and having a specific gravity'of not less than 1.22; and a suitable solvent for said materials.
2. A compositionof matter, for" use in the preservation of timber, comprising a mixture of a Waxy material produced as a distillate from coal tar, and having a specific gravity of not less than 1.14 and a hard material formed as a. distillate from coal tar and having a specific gravity of not less than 1.22, said materialsbeing dissolved in the lighter oils distilled from coal tar.
3. A composition of matter, for use in the preservation of timber, comprisinga mixture of those materials which are produced ofi therefrom up to a temperature approxi- 1, as a distillate from coal tar when the latter mating 1000F.
is subjected to a temperature of at least In testimony whereof I have signed my 700 F.', said material having a specific name to this specification in the presence of gravity in excess of 1.14:, said distillates two subscribing Witnesses.
being dissolved in a suitable solvent. 1 PETER C. REILLY.
4. Aeomposition of matter for the tr'eat- Witnesses: ment of timber, comprising a mixture of all 'HoRAoE A. DODGE,
of the distillates of coal tar .Which are driven BENNETT S. J ONES.
US10280216A 1916-06-09 1916-06-09 Material for the preservation of lumber. Expired - Lifetime US1220001A (en)

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US10280216A US1220001A (en) 1916-06-09 1916-06-09 Material for the preservation of lumber.

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