Patent · US Active

Process for preparing 10-chloro-9, 10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide compound

US8703986B1 · kind B1 · utility

1Cited by
2References
20Claims
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Key dates

Filing dateJul 1, 2013
Grant dateApr 22, 2014
Priority date—
Expiry dateJul 1, 2033

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65719
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Provided is a process for preparing 10-chloro-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO-C) compound, the process having steps of:

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.