3 results for “Union Carbide Corporation”
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Company document · Union Carbide documents · December 7, 1909
U.S. Patent No. 942,699, Leo H. Baekeland, Method of Making Insoluble Products of Phenol and Formaldehyde (1909)
United States Patent No. 942,699, issued to Leo H. Baekeland, describes a method of making hard, insoluble and infusible condensation products of phenol and formaldehyde using heat and pressure. The specification lists asbestos fiber among the…
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Company document · Union Carbide documents · December 23, 1975
U.S. Patent Office Certificate of Correction for Patent No. 3,928,278, Azrak et al. (1975)
A four-page Certificate of Correction for U.S. Patent No. 3,928,278, naming Raymond George Azrak et al. as inventors. It lists typographical and formatting corrections by column and line, including spelling fixes, table unit exponents, and a…
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Company document · Union Carbide documents · December 23, 1975
U.S. Patent 3,928,278, Coupling Agents for Chrysotile Asbestos and Thermoplastic Polymers (1975)
A copy of U.S. Patent 3,928,278, issued Dec. 23, 1975, titled 'Coupling Agents for Chrysotile Asbestos and Thermoplastic Polymers.' It describes phenolic coupling agents that improve adhesion between chrysotile asbestos and thermoplastic polymers…