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Class Information
Number: 420/426
Name: Alloys or metallic compositions > Niobium base > Titanium, zirconium, or hafnium containing
Description: Alloy, or metallic composition which additionally contains at least one of the metals titanium, zirconium, or hafnium.

Patents under this class:
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Patent Number Title Of Patent Date Issued
4956144 Hafnium containing Nb-Ti-Al high temperature alloy Sep. 11, 1990
4931254 Nb-Ti-Al-Hf-Cr alloy Jun. 5, 1990
4880482 Highly corrosion-resistant amorphous alloy Nov. 14, 1989
4594104 Consolidated articles produced from heat treated amorphous bulk parts Jun. 10, 1986
4431516 Hydrocracking process Feb. 14, 1984
4059441 Metallic glasses with high crystallization temperatures and high hardness values Nov. 22, 1977
4026730 Nitrided materials May. 31, 1977
3974001 Paramagnetic alloy Aug. 10, 1976

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