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US 4,052,485 AGranted
Perfluoro compounds containing phosphorus
AssigneeCiba-Geigy Corporation
InventorHelmut Huber-Emden
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Abstract
Perfluoro compounds containing dichloro phosphoryl and/or dichlorophosphoryl radicals are provided which are obtained by reacting perfluoroalkylalkenes with phosphorus trichloride in the presence of oxygen. The compounds are useful to obtain oleophobic finishes on various substrates, especially on fibrous materials.
Claims2
Perfluoro compounds containing phosphorus, of the formula ##STR38## wherein q denotes an integer having a value of 5 to 13 and n is 1 or 2.
Perfluoro compounds containing phosphorus, of the formula ##STR39## wherein q is an integer having a value of 5 to 13.
Dependencies are inferred from the claim text.