Priority Date: 28.04.03 (US 20030425188)

Use of calcium sulfonate based threaded compounds in drilling operations and other severe industrial applications

  • Application ID: EP14192150
  • Status: GRANT OF PATENT INTENDED

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Specialization

This patent has the IPC class C10 (PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT) is specialized in C10. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 28.04.2003 - Priority Date (US 20030425188)
  • 27.05.2015 - Publication A1 (EP2876151)

IPC Classification