In this subclass, the following terms or expressions are used with the meanings indicated:
-
"alloys" includes also:
(a)
metallic composite materials containing a substantial proportion of fibres or other somewhat larger particles;
(b)
ceramic compositions containing free metal bonded to carbides, diamond, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides or sulfides, other than as macroscopic reinforcing agents. [4]
-
"based on" requires at least 50% by weight of the specified constituent or of the specified group of constituents. [2]
(2)
In this subclass, it is desirable to add the indexing codes of subclass C 22 K. The indexing codes should be unlinked. [6]
Non-ferrous alloys, i.e. alloys based essentially on metals other than iron (master alloys for iron and steel C 22 C 35/00; alloys containing radioactive material C 22 C 43/00; amorphous alloys C 22 C 45/00) [2,5]
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/
00
Making alloys (powder-metallurgical apparatus or processes, not specially modified for making alloys B 22 F; by electrothermic methods C 22 B 4/00; by electrolysis C 25 C)
