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/(30) phosphorus compounds (9/02; 9/06) (33) compound contains a ring which is devoid of a metal atom and contains at least one p atom as ring member (9/6564; 9/6564v; 9/6568; 9/6568b; 9/6568c; 9/6568d; 9/6568e; 9/6568f)

Hierarchy/Derived subclasses

987 / 30	-> 33	-> 34	-> 35
		-> 36
		-> 37	-> 38
			-> 39	-> o	-> 40
					-> 41
			-> 42
			-> 43	-> 44
				-> 45
			-> 46		-> 47
					-> 48

uspto searches

Patent Apps in 987/33

Granted Patents in 987/33

Use the links above or do an advanced search in ppubs for:
(987/33.ccls. or 987/34.ccls. or 987/35.ccls. or 987/36.ccls. or 987/37.ccls. or 987/38.ccls. or 987/39.ccls. or 987/o.ccls. or 987/40.ccls. or 987/41.ccls. or 987/42.ccls. or 987/43.ccls. or 987/44.ccls. or 987/45.ccls. or 987/46.ccls. or 987/47.ccls. or 987/48.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.

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