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Hydrated zinc borate, dimethyl silicone resin arc extinguishing material

  • US 3,912,650 A
  • Filed: 05/29/1973
  • Issued: 10/14/1975
  • Est. Priority Date: 05/29/1973
  • Status: Expired due to Term
First Claim
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1. AN ARC-EXTENGUISHING MATERIAL COMPRISNG A FILLER OF HYDRATED ZINC BORATE IN A DIMETHYL SILICONE RESIN, THE CARBON ATOMS IN SAID RESIN BEING NO GREATER THAN 15 PERCENT OF THE TOTAL NUMBER OF ATOMS IN SAID HYDRATED ZINC BORATE AND DIMETHYL SILICONE COMBINED.

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