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Proton permselective solid-state member and apparatus utilizing said permselective member

  • US 4,024,036 A
  • Filed: 01/28/1976
  • Issued: 05/17/1977
  • Est. Priority Date: 02/03/1975
  • Status: Expired due to Term
First Claim
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1. A proton permselective solid-state member, formed by shaping at least one member selected from the group consisting of heteropoly acids represented by the generic formula:

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    space="preserve" listing-type="equation">H.sub.m [X.sub.x Y.sub.y O.sub.z ].sup.. nH.sub.2 Owherein, X stands for at least one member selected from the group consisting of boron, aluminum, gallium, silicon, germanium, tin, phosphorus, arsenic, antimony, bismuth, selenium, tellurium, iodine and transition metals belonging to the fourth, fifth and sixth periods of the Periodic Table, Y is at least one member selected from transition metals belonging to the fourth, fifth, and sixth periods of the Periodic Table, and wherein m has a value of from 2 to 10, y has a value of from 1 to 12, n has a value of from 3 to 100 all based on X taken as 1 and z has a positive numerical value and salts of said acids.

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