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Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised
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CPC
COOPERATIVE PATENT CLASSIFICATION
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COMPOUNDS OF UNKNOWN CONSTITUTION [2013‑01]
NOTE

  • This subclass does not cover peptides or proteins of unknown constitution, which are covered by subclass C07K
Lignin; Lignin derivatives [2013‑01]
Glycosides (polysaccharides C08B) [2013‑01]
Alkaloids [2013‑01]
Ammonium bituminosulfonate, e.g. Ichthyol
{
also bituminasulfonic acid and its salts
}
[2013‑01]
Antibiotics [2013‑01]
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) [2013‑01]
Hormones [2013‑01]
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Other compounds of unknown constitution [2013‑01]
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C07G 17/002
.
{
containing sulfur
}
[2013‑01]
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C07G 17/004
. .
{
derived from hydrocarbons
}
[2013‑01]
C07G 17/006
. . .
{
the hydrocarbons being a terpene fraction
}
[2013‑01]
C07G 17/008
. .
{
Overbased compounds
}
[2013‑01]
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Last Modified: 10/10/2013