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super search for Ecla class
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Tom_Axio

Joined: 06 May 2010
Posts: 4
Mon 17 May 2010
super search for Ecla class Reply with quote
hello,
I want to search for patents which have certain Ecla classes as first class, but I don't seem to get beond (e.g.) C12N5. Is it possible to search with a more detailedd class? *truncation doesn't work...

regards
Tom
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Mannina
Site Admin
Joined: 06 Jan 2005
Posts: 978
Mon 17 May 2010
Location: Marseille
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Dear Frank,

Could you test with "Advanced Mode" in MP with:

Code:
ec=C12N5


By default, it's troncated. But carefull because there is 36040 patents if no range date are selected.

Truncation '*' for classification related indexes is allowed only for subclasses.
_________________
Regards / Cordialement
Bruno Mannina
Technical Support / Support Technique
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