NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;

Introduced: September 1968

Description

C01B covers the production, purification, and chemical processing of non-metallic elements and their inorganic compounds, including halogens, oxygen, nitrogen, sulfur, phosphorus, carbon, and silicon, along with their oxides, halides, sulfides, and other derivatives. This classification encompasses industrial chemical processes such as synthesis, separation, and refining methods specific to these elements and their compounds. It excludes metallic elements and their compounds (covered by C01C), as well as organic compounds derived from non-metallic elements (classified elsewhere in organic chemistry).

Title

Titles differ between systems:

IPC: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

CPC: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;

Full Title

Full titles differ between systems:

IPC:

NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

CPC:

NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;

Of 24 combined children, 19 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

12 shared codes have differing titles between IPC and CPC.

Child Classifications

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C01B 11/00 Oxides or oxyacids of halogens; Salts thereof IPC+CPC Available in IPC and CPC
C01B 13/00 Oxygen; Ozone; Oxides or hydroxides in general IPC+CPC Available in IPC and CPC
C01B 15/00 Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides +1 CPC IPC+CPC Available in IPC and CPC
C01B 17/00 Sulfur; Compounds thereof IPC+CPC Available in IPC and CPC
C01B 19/00 Selenium; Tellurium; Compounds thereof (phosphorus compounds C01B25/14) +6 CPC IPC+CPC Available in IPC and CPC
C01B 21/00 Nitrogen; Compounds thereof IPC+CPC Available in IPC and CPC
C01B 2201/00 Preparation of ozone by electrical discharge 2nd only +9 CPC CPC only CPC only
C01B 2202/00 Structure or properties of carbon nanotubes 2nd only +6 CPC CPC only CPC only
C01B 2203/00 Integrated processes for the production of hydrogen or synthesis gas 2nd only +9 CPC CPC only CPC only
C01B 2204/00 Structure or properties of graphene 2nd only +4 CPC CPC only CPC only
C01B 2210/00 Purification or separation of specific gases 2nd only +6 CPC CPC only CPC only
C01B 23/00 Noble gases; Compounds thereof (liquefying F25J ) +2 CPC IPC+CPC Available in IPC and CPC
C01B 25/00 Phosphorus; Compounds thereof ( , C01B21/00, C01B23/00 take precedence; perphosphates C01B15/16) +1 CPC IPC+CPC Available in IPC and CPC
C01B 3/00 Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) since 1980 IPC+CPC Available in IPC and CPC
C01B 32/00 Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) since 2017 IPC+CPC Available in IPC and CPC
C01B 33/00 Silicon; Compounds thereof ( C01B21/00, C01B23/00 take precedence; persilicates C01B15/14; carbides C01B32/956) IPC+CPC Available in IPC and CPC
C01B 35/00 Boron; Compounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B6/00; perborates C01B15/12; binary compounds with nitrogen C01B21/06; ; phosphides C01B25/08; carbides C01B32/991; alloys containing boron C22) −2 IPC IPC+CPC Available in IPC and CPC
C01B 37/00 Compounds having molecular sieve properties but not having base-exchange properties since 1995 +3 CPC IPC+CPC Available in IPC and CPC
C01B 39/00 Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (treatment to modify the sorption properties, e.g. shaping using a binder, B01J20/10; treatment to modify the catalytic properties, e.g. combination of treatments to make the zeolites appropriate to their use as a catalyst, B01J29/04; treatment to improve the ion-exchange properties B01J39/14) since 1995 IPC+CPC Available in IPC and CPC
C01B 4/00 Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3 + D2 → NH2D + HD IPC+CPC Available in IPC and CPC