USPC Class Details

Description: 987 organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system / 987 organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system/(26) arsenic compounds (9/70c) (27) arsenic compounds devoid of any arsenic as ring atom in a ring system (9/66; 9/68; 9/70; 9/70b; 9/72; 9/72b; 9/72c)

Hierarchy/Derived subclasses

987 / 26	-> 27	-> 28
		-> 29

uspto searches

Patent Apps in 987/27

Granted Patents in 987/27

Use the links above or do an advanced search in ppubs for:
(987/27.ccls. or 987/28.ccls. or 987/29.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.

Display:

Back