3 Matching Results

Search Results

Results: 1 - 3

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

Process of Making Amyl Acetate

Description: Patent for Process of Making Amyl Acetate
Date: September 5, 1916
Creator: Essex, Harry & Brooks, Benjamin T.
Partner: UNT Libraries Government Documents Department

Paper-Bag Machine.

Description: Patent for improvements in the paper-bag machine (related to author's previous Patent No. 689,441, December 24, 1901) for the purpose of improving the mechanism for forming the primary fold of the bag-bottom in the bag-folding process, including descriptions of the machinery, parts, and illustrations.
Date: May 5, 1903
Creator: Tyson, Frank
Partner: UNT Libraries Government Documents Department
Back to Top of Screen