1 result for “Union Carbide Corporation”
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Patent · June 24, 1975 · page 1
Gravel packing fluid (US Patent 3,891,565, 1975)
In the document: …States Patent (19) (ii) Colpoys (45) June 24, 1975 54) GRAVEL PACKING FLUID 75 lnventor: Patrick J. Colpoys, Houston, Tex. 73) Assignee: Union Carbide Corporation, New York, N.Y. (22) Filed: Jan. 17, 1973 21 Appl…