2 results for “Reaction Department”
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Patent · October 9, 1956
Calcareous matrix body coated with reaction product of an alkali metal boro-phosphate and a metal silicofluoride (US Patent 2,766,140, 1956)
Where it was listed Asbestos, November 1956, in its patents department (the year's issues)
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Patent · October 30, 1956
Hardenable, fluid compositions containing resinous polymeric epoxides and a bentonite-amine reaction product (US Patent 2,768,992, 1956)
Where it was listed Asbestos, December 1956, in its patents department (the year's issues)