Metal surface adhered to a second metal surface
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United States of America Patent
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Oct 4, 1994
Issued Date -
N/A
app pub date -
Mar 29, 1993
filing date -
Apr 25, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A favorable adhesive strength can be obtained without requiring pretreatment of metal surfaces in adhering. The invention relates to an adhesive composition having a biological calcium compound added as an adhesion improver. The biological calcium compound is at least one type selected from a group comprising, for example, hydroxyapatite, seashells and egg shells.
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