【発明の名称】ホスホン酸エステル - NASHIONARU ERUFU AKITEENU PURODEYUKUSHION SOC

Title:

【発明の名称】ホスホン酸エステル

Document Type and Number:

Japanese Patent JPS5918400

Kind Code:

B2

Abstract:

New diphosphonic acid diesters in which the two phosphorus atoms are bound by a hydrocarbon group while each of the two acid functions of the diphosphonate is esterified by a radical having at least three carbon atoms are suitable for various known uses of the different diphosphonates and in particular for the complexing of heavy metals; they are used in particular for the extraction of uranium and metals associated with it.

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Inventors:

JORUJU SUTEYURUTSU
CHERI PANSE
JANNKUROODO GOOCHE

Application Number:

JP9281880A

Publication Date:

April 26, 1984

Filing Date:

July 09, 1980

Export Citation:

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Assignee:

NASHIONARU ERUFU AKITEENU PURODEYUKUSHION SOC

International Classes:

C09K3/00; C07F9/38; C07F9/40; C22B3/38; C22B60/02; (IPC1-7): C07F9/40

Attorney, Agent or Firm:

Shinichi Ogawa

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