|  | C |
SECTION C — CHEMISTRY AND METALLURGY

CHEMISTRY

|  | C07 |
ORGANIC CHEMISTRY (such compounds as the oxides, sulphides, and oxysulphides of carbon, cyanogen, phosgene, hydrocyanic acid and salts thereof Fulltext... Hierarchy... Expanded...C01; macromolecular compounds Fulltext... Hierarchy... Expanded...C08; dyes Fulltext... Hierarchy... Expanded...C09; fermentation products Fulltext... Hierarchy... Expanded...C12)

|  | C07 |
Note(s) Salts of a compound, unless specifically provided for, are classified as that compound, e.g. aniline hydrochloride is classified as containing carbon, hydrogen and nitrogen only (in Fulltext... Hierarchy... Expanded...C07C 87/52), sodium oxalate is classified as oxalic acid (in Fulltext... Hierarchy... Expanded...C07C 55/06), and a mercaptide is classified as the mercaptan. Metal chelates are dealt with in the same way. Similarly, metal alcoholates and metal phenates are classified in Fulltext... Hierarchy... Expanded...C07C and not in Fulltext... Hierarchy... Expanded...C07F— the alcoholates in Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...C07C 31/28-C07C 31/32 and the phenates as the corresponding phenols in Fulltext... Hierarchy... Expanded...C07C 39/00. In the absence of an indication to the contrary, and with the exception referred to below, a compound is always classified in the last appropriate place in the classification system, e.g. a compound containing an acyclic chain and a heterocyclic ring is classified only as a heterocyclic compound, and a sterol is classified only as a cyclopentanophenanthrene compound. In general, and in the absence of an indication to the contrary (such as groups Fulltext... Hierarchy... Expanded...C07C 59/24, Fulltext... Hierarchy... Expanded...C07C 59/26), the terms "acyclic" and "aliphatic" are used to describe compounds in which there is no ring; and, if a ring were present, the compound would be taken by the "last place" rule to a later group for cycloaliphatic or aromatic compounds, if such a group exists. Where a compound or an entire group of compounds exists in tautomeric forms, it is classified as though existing in the form which is classified last in the system, unless the other form is specifically mentioned earlier in the system. Albumens, proteins, alkaloids of unknown structure, glucosides of unknown structure are examples of compounds to be found unter Fulltext... Hierarchy... Expanded...C07G. Inventions dealing with the preparation of chemical compounds might be classified both according to the type of reaction employed and according to the type of compound prepared, if suitable groups or sub-groups exits.

|  | C07F |
ACYCLIC, CARBOCYCLIC, OR HETEROCYCLIC COMPOUNDS CONTAINING, OUTSIDE ANY RING, ELEMENTS OTHER THAN HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULPHUR, SELENIUM, AND TELLURIUM, WITH OR WITHOUT THE LATTER SPECIFIED ELEMENTS (acetylides Fulltext... Hierarchy... Expanded...C07C 11/26; metal-containing porphyrins Fulltext... Hierarchy... Expanded...C07D 27/76)

|  | C07F 1/00 |
Compounds containing elements of the 1st Group of the Periodic System

|  | C07F 1/02 |
· | Lithium compounds

|  | C07F 1/04 |
· | Sodium compounds

|  | C07F 1/06 |
· | Potassium compounds

|  | C07F 1/08 |
· | Copper compounds

|  | C07F 1/10 |
· | Silver compounds

|  | C07F 1/12 |
· | Gold compounds

|  | C07F 3/00 |
Compounds containing elements of the 2nd Group of the Periodic System

|  | C07F 3/02 |
· | Magnesium compounds

|  | C07F 3/04 |
· | Calcium compounds

|  | C07F 3/06 |
· | Zinc compounds

|  | C07F 3/08 |
· | Cadmium compounds

|  | C07F 3/10 |
· | Mercury compounds

|  | C07F 3/12 |
· · | Aromatic substances containing mercury

|  | C07F 3/14 |
· · | Heterocyclic substances containing mercury

|  | C07F 5/00 |
Compounds containing elements of the 3rd Group of the Periodic System

|  | C07F 5/02 |
· | Boron compounds

|  | C07F 5/04 |
· · | Esters of boric acids

|  | C07F 5/06 |
· | Aluminium compounds

|  | C07F 7/00 |
Compounds containing elements of the 4th Group of the Periodic System

|  | C07F 7/02 |
· | Silicon compounds

|  | C07F 7/04 |
· · | Esters of silicic acids

|  | C07F 7/06 |
· · · | with hydroxyaryl compounds

|  | C07F 7/08 |
· · | Compounds having one or more C—Si linkages

|  | C07F 7/10 |
· · · | containing nitrogen

|  | C07F 7/12 |
· · · | Organo silicon halides

|  | C07F 7/14 |
· · · · | Preparation thereof from halogenated silanes and hydrocarbons

|  | C07F 7/16 |
· · · · | Preparation thereof from silicon and halogenated hydrocarbons

|  | C07F 7/18 |
· · · | Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages

|  | C07F 7/20 |
· · · | Purification; Separation

|  | C07F 7/22 |
· | Tin compounds

|  | C07F 7/24 |
· | Lead compounds

|  | C07F 7/26 |
· · | Tetra-alkyl lead compounds

|  | C07F 7/28 |
· | Titanium compounds

|  | C07F 9/00 |
Compounds containing elements of the 5th Group of the Periodic System

|  | C07F 9/02 |
· | Phosphorus compounds (nucleotides Fulltext... Hierarchy... Expanded...C07D 51/50)

|  | C07F 9/04 |
· · | Reaction products of phosphorus sulphur compounds with hydrocarbons

|  | C07F 9/06 |
· · | without P—C bonds

|  | C07F 9/08 |
· · · | Esters of oxyacids of phosphorus

|  | C07F 9/10 |
· · · · | Phosphatides, e.g. lecithin

|  | C07F 9/12 |
· · · · | with hydroxyaryl compounds

|  | C07F 9/14 |
· · · · | containing P-halide groups

|  | C07F 9/16 |
· · · | Esters of thiophosphorous acids or thiophosphorous acids

|  | C07F 9/18 |
· · · · | with hydroxyaryl compounds

|  | C07F 9/20 |
· · · · | containing P-halide groups

|  | C07F 9/22 |
· · · | Amides of acids of phosphorus

|  | C07F 9/24 |
· · · · | Esteramides

|  | C07F 9/26 |
· · · · | containing P-halide groups

|  | C07F 9/28 |
· · | with one or more P—C bond(s)

|  | C07F 9/30 |
· · · | Phosphinic acids (R2=P(:O)OH); Thiophosphinic acids

|  | C07F 9/32 |
· · · · | Esters thereof

|  | C07F 9/34 |
· · · · | Halides thereof

|  | C07F 9/36 |
· · · · | Amides thereof

|  | C07F 9/38 |
· · · | Phosphonic acids (R—P(:O)(OH)2); Thiophosphonic acids

|  | C07F 9/40 |
· · · · | Esters thereof

|  | C07F 9/42 |
· · · · | Halides thereof

|  | C07F 9/44 |
· · · · | Amides thereof

|  | C07F 9/46 |
· · · | Phosphinous acids R2=P—OH or thiophosphinous acids

|  | C07F 9/48 |
· · · | Phosphonous acids R—P(OH)2 or thiophosphonous acids

|  | C07F 9/50 |
· · · | Organo-phosphines

|  | C07F 9/52 |
· · · · | Halophosphines

|  | C07F 9/54 |
· · · | Quaternary phosphonium compounds

|  | C07F 9/56 |
· · | Phosphorus compounds containing one or more ethylenimine ring(s)

|  | C07F 9/58 |
· · | Phosphorus compounds containing one or more pyridine ring(s)

|  | C07F 9/60 |
· · | Phosphorus compounds containing one or more quinoline ring(s)

|  | C07F 9/62 |
· · | Phosphorus compounds containing one or more isoquinoline ring(s)

|  | C07F 9/64 |
· · | Phosphorus compounds containing one or more acridine ring(s)

|  | C07F 9/66 |
· | Arsenic compounds

|  | C07F 9/68 |
· · | without As—C bonds

|  | C07F 9/70 |
· · | Organo-arsenic compounds

|  | C07F 9/72 |
· · · | Aliphatic compounds

|  | C07F 9/74 |
· · · | Aromatic compounds

|  | C07F 9/76 |
· · · · | containing hydroxyl groups

|  | C07F 9/78 |
· · · · | containing amino groups

|  | C07F 9/80 |
· · · | Heterocyclic compounds

|  | C07F 9/82 |
· · · · | Arsenic compounds containing one or more pyridine ring(s)

|  | C07F 9/84 |
· · · · | Arsenic compounds containing one or more quinoline ring(s)

|  | C07F 9/86 |
· · · · | Arsenic compounds containing one or more isoquinoline ring(s)

|  | C07F 9/88 |
· · · · | Arsenic compounds containing one or more acridine ring(s)

|  | C07F 9/90 |
· | Antimony compounds

|  | C07F 9/92 |
· · | Aromatic compounds

|  | C07F 9/94 |
· | Bismuth compounds

|  | C07F 11/00 |
Compounds containing elements of the 6th Group of the Periodic System

|  | C07F 13/00 |
Compounds containing elements of the 7th Group of the Periodic System

|  | C07F 15/00 |
Compounds containing elements of the 8th Group of the Periodic System

|  | C07F 15/02 |
· | Iron compounds

|  | C07F 15/03 |
· · | Sideramines; The corresponding desferri compounds

|  | C07F 15/04 |
· | Nickel compounds

|  | C07F 15/06 |
· | Cobalt compounds