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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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COMPOUNDS OF UNKNOWN CONSTITUTION
NOTE
-
This subclass does not cover peptides or proteins of unknown constitution, which are covered by subclass C07K

Lignin ; Lignin derivatives
Glycosides ( polysaccharides C08B )
Alkaloids
Ammonium bituminosulfonate, e.g. Ichthyol
{
also bituminasulfonic acid and its salts
}
Antibiotics
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 )
Hormones
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Other compounds of unknown constitution
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C07G 17/002
.
{
containing sulfur
}
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C07G 17/004
. .
{
derived from hydrocarbons
}
C07G 17/006
. . .
{
the hydrocarbons being a terpene fraction
}
C07G 17/008
. .
{
Overbased compounds
}
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Last Modified: 10/10/2013