Selenium-containing amalgam alloys for dental restoration...

Details Selenium-containing amalgam alloys for dental restoration... Selenium-containing amalgam alloys for dental restoration...

A - Human Necessities

61

K

6/36, 75/63

A61K 6/04 (2006.01) A61K 6/05 (2006.01) C22C 5/06 (2006.01) C22C 7/00 (2006.01)

Patent

CA 1198002

Abstract of the Disclosure Selenium-containing amalgam alloys for dental restration comprises 0.1-50 % by weight of any one of the following alloy powders (A), (B) and (C) mixed with 50-99.9 % by weight of the following amalgam alloy powders (D). (A): Silver alloy powders containing no less than 50 % by weight of silver and 0.01-10 % by weight of selenium, (B): Copper alloy powders containing no less than 50 % by weight of copper and 0.01-5 % by weight of selenium, (C): Alloy powders mix of (A) with (B) wherein the total amount of silver and copper is adjusted to no less than 50 % by weight, and the amount of selenium to 0.01- 10 % by weight, and (D): Silver-tin-copper amalgam alloy powders. At least one of the any one of (A), (B) and (C) and (D) may be pre-amalgamated with mercury in an amount of no higher than 3 % by weight based on the total weight thereof.

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