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Coated products and use thereof in oil fields

  • US 20020128157A1
  • Filed: 03/07/2002
  • Published: 09/12/2002
  • Est. Priority Date: 05/31/1996
  • Status: Active Grant
First Claim
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1. Particles of a solid comprising an oil field production chemical, said solid carrying a coating, which comprises a dispersing agent, the weight of said coating being 0.1-10 g coating per 100 g of the particles.

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