Halogenated phosphines

Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus containing

Reexamination Certificate

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C562S808000, C562S820000

Reexamination Certificate

active

06867330

ABSTRACT:
Halogenated phosphines are produced by reacting a secondary phosphine with a quaternary phosphonium halide, in a solvent/carrier for the reactants.

REFERENCES:
patent: 3078304 (1963-02-01), Niebergall
patent: 3734958 (1973-05-01), Rio
patent: 3755460 (1973-08-01), Staendeke
patent: 4521346 (1985-06-01), Kleiner
patent: 4752648 (1988-06-01), Weferling et al.
patent: 1 070 723 (2001-01-01), None
patent: 1 031 839 (1966-06-01), None
CA:121:230878 abs of Phosphorus, Sulfur and Silicon and Related elements by Goerlich et al 88(1-4) pp 241-4 1994.*
Majewski P.: “Investigation of the reaction between dialkylphosphines and carbon tetrachloride. Part I” Phosphorus, Sulfur and Silicon and the Related Elements, vol. 85, No. 1-4, 1993, pp. 41-47, XP008003002 Gordon and Breach Science Publishers, Amsterdam, GB ISSN: 1042-6507.

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