Union Carbide and Carbon Corporation

found: Oxygen therapy in heart disease [MP] c1946:credit frame (Union Carbide and Carbon Corporation)

found: NLM files, 10-28-87(hdg.: Union Carbide and Carbon Corporation; later became Union Carbide Corporation)

found: NUCMC data from Rutherford B. Hayes Presidential Center for Eveready Co. records, 1887-1998(National Carbon Company organized at Cleveland, Ohio in 1886; later became part of Union Carbide and Carbon Corporation)

found: History - Union Carbide Company web site, Feb. 16, 2024(Union Carbide & Carbon Corporation incorporated on November 1, 1917 and aquires the stock of Linde Air Products Co., National Carbon Co., Inc., Prest-O-Lite Co., Inc. and Union Carbide Company (formed in 1898); changes name in 1957 to Union Carbide Corporation; on February 6, 2001, Union Carbide Corporation became a wholly owned subsidiary of the Dow Chemical Company) - https://www.unioncarbide.com/history.html