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Improvements in Manufacture of Organic Solvents

Description: Patent for new improvements to the manufacture of organic solvents. Specifically as it it relates to the treatment of acetone oils with catalysts for the purpose of converting the ketones contained within the acetone oil into alcohol.
Date: December 5, 1914
Creator: Hibbert, Harold
Partner: UNT Libraries Government Documents Department

Production of Chlorinated Hydrocarbons.

Description: Patent for the new and improved production of Chlorinated Hydrocarbons; "[t]his invention relates to the production of dichlorinated hydrocarbons of the ethylene series, and particularly to the production of mixtures of dichlorinated hydrocarbons containing dichlor-ethylene and dichlor-propylene from mixtures of ethylene hydrocarbons containing ethylene and propylene." (lines 13-20)
Date: December 10, 1915
Creator: Brooks, Benjamin T. & Smith, Dillon F.
Partner: UNT Libraries Government Documents Department

Paper Bag Machine.

Description: Patent for an improved paper bag machine, which rapidly converts continuously moving paper into bags.
Date: December 24, 1901
Creator: Tyson, F.
Partner: UNT Libraries Government Documents Department

Rubber Compund and Material for Use in Making the Same.

Description: Patent for a rubber compound, which is not damaged by oils and therefore usable in bearings. It features asphaltic bitumen rather than paraffin bitumen.
Date: December 31, 1907
Creator: Strain, Ebenezer W.
Partner: UNT Libraries Government Documents Department

Chain Pipe-Wrench.

Description: Patent for certain new and improvements in chain pipe wrenches, including instructions and illustrations.
Date: December 26, 1899
Creator: Bohner, Philip Henry
Partner: UNT Libraries Government Documents Department
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