United States Patent and Trademark Office

Outline		Indent Level
Color		Curly Brackets (indicating CPC extensions to IPC)

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	CPC	COOPERATIVE PATENT CLASSIFICATION

COMPOUNDS OF UNKNOWN CONSTITUTION

NOTE

This subclass does not cover peptides or proteins of unknown constitution, which are covered by subclass C07K

C07G 1/00

Lignin ; Lignin derivatives

C07G 3/00

Glycosides ( polysaccharides C08B )

C07G 5/00

Alkaloids

C07G 9/00

Ammonium bituminosulfonate, e.g. Ichthyol

{

also bituminasulfonic acid and its salts

}

C07G 11/00

Antibiotics

C07G 13/00

Vitamins ( vitamin K1 C07C 50/14 ; pantothinic acid C07C 235/12 ; vitamins of the D group C07C 401/00 ; vitamin A C07C 403/08 ; pyridoxal, pyridoxamin C07D 213/66 ; pyridoxin C07D 213/67 ; vitamin C C07D 307/62 ; tocopherols C07D 311/72 ; lipoic acid C07D 339/04 ; vitamin B1 C07D 415/00 ; riboflavin C07D 475/14 ; biotin C07D 495/04 ; sideramines, corresponding deoferri compounds C07F 15/03 ; vitamin B12 C07H 23/00 )

C07G 15/00

Hormones

Other compounds of unknown constitution

C07G 17/002

{

containing sulfur

}

C07G 17/004

. .

{

derived from hydrocarbons

}

C07G 17/006

. . .

{

the hydrocarbons being a terpene fraction

}

C07G 17/008

. .

{

Overbased compounds

}