Held at: Science History Institute Archives [Contact Us]315 Chestnut Street, Philadelphia, PA 19106
This is a finding aid. It is a description of archival material held at the Science History Institute Archives. Unless otherwise noted, the materials described below are physically available in their reading room, and not digitally available through the web.
Overview and metadata sections
This is a hardbound copy of a 176 page patent application by John Bugosh for fibrous boehmite, a derivative of alumina useful as a thickening agent in various industrial applications. The document describes the preparation of and the various uses for, the product and contains handwritten notes and emendations by Bugosh.
Patent number 2,915,475, Application Serial Number 519,559 filed July 1, 1955.
- Science History Institute Archives