Iron powder composition
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United States of America Patent
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Jun 29, 2004
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app pub date -
Jul 25, 2002
filing date -
Apr 17, 2001
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Abstract
A powder composition for warm compaction comprising an iron-based powder and a lubricant powder consisting essentially of an amide described by the following formula D--C.sub.m --B--A--B--C.sub.m --D wherein D is --H, COR, CNHR, wherein R is a straight or branched aliphatic or aromatic group including 2-21 C atoms; C is the group --NH (CH).sub.n CO--; B is amino or carbonyl; A is alkylene having 4-16 C atoms optionally including up to 4 O atoms m is an integer 1-10 and n is an integer 5-11.
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