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Retarded set cement and slurries thereof

  • US 2,629,667 A
  • Filed: 12/27/1949
  • Issued: 02/24/1953
  • Est. Priority Date: 12/27/1949
  • Status: Expired due to Term
First Claim
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1. A CEMENT CAPABLE OF FORMING A FLUID SLURRY WHEN MIXED WITH WATER, SAID CEMENT COMPRISING A HYDRAULIC CEMENT MIXED WITH A MINOR PROPORTION OF AT LEAST ONE OF THE GROUP CONSISTING OF ALKYL HYDROXYALKYL CELLULOSE MIXED ETHERS WHERE THE ALKYL GROUP CONTAINS 1 TO 4 CARBON ATOMS AND THE HYDROXYALKYL GROUP CONTAINS 2 TO 4 CARBON ATOMS.

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