CPC Definition - Subclass C01D
This place covers:
- Oxides or hydroxides; halides; sulfates or sulfites; carbonates; nitrates of sodium, potassium or other alkali
- metals in general
- Compounds of sodium or potassium not provided for elsewhere
- Lithium compounds, e.g. oxides, halides, sulfates, carbonates, nitrates
- Rubidium, caesium or francium compounds
- Synthesis, treatment or modification of any the elements or compounds above
- Forming shaped alkali metal compounds and the shaped products, per se, e.g. granules
MULTIPLE CLASSIFICATION
Biocidal, pest repellant, pest attractant, or plant growth regulatory activity of chemical compounds or preparations is further classified in A01P.
Therapeutic activity of chemical compounds or medicinal preparations is further classified in subclass A61P.
Uses of cosmetics or similar toilet preparations are further classified in subclass A61Q.
This place does not cover:
This subclass does not cover exceptions to the last appropriate place rule:
Metal hydrides, monoborane, diborane or addition complexes thereof | |
Salts of oxyacids of halogens | |
Peroxides, salts of peroxyacids | |
Sulfides or polysulfides of magnesium, calcium, strontium, or barium | |
Thiosulfates, dithionites, polythionates | |
Compounds containing selenium or tellurium | |
Binary compounds of nitrogen with metals | |
Azides | |
Compounds other than ammonia or cyanogen containing nitrogen and non-metals and optionally metals | |
Amides or imides of silicon | |
Metal imides or amides | |
Nitrites | |
Compounds of noble gases | |
Phosphides | |
Salts of oxyacids of phosphorus | |
Carbides | |
Compounds containing silicon | |
Compounds containing boron | |
Compounds having molecular sieve properties but not having base-exchange properties | |
Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites | |
Cyanides | |
Salts of cyanic acid | |
Salts of cyanamide | |
Thiocyanates |
In this subclass, in the absence of an indication to the contrary, a compound is classified in the last appropriate place.
This place covers:
Oxides or hydroxides of sodium or of potassium when claimed per se or the preparation thereof.
For example :
- Preparation by reacting oxides with alkali metal salts, from cyano compounds
- Purification by crytallisation, oxydation, dialysis
- Preparation in the form of shaped products
This place covers:
Halides of sodium or of potassium when claimed per se or the preparation thereof.
For example :
- Preparation by working up brines
- Purification by solid chelating agents, with selective solvents, by melting
- Preparation in the form of shaped products
- Prevention of moisture absorption of the crystals
This place does not cover:
Halides in general |
This place covers:
Sulfates and sulfites of sodium or of potassium when claimed per se or the preparation thereof.
For example :
- Preparation of sulfates from akali slats and sulfuric acids
- Preparation of potassium sulfate from alunite
- Preparation of sulfates by double decomposition
- Preparation of sulfites
- Purification or dehydration
- Preparation in the form of shaped products
- Prevention of moisture absorption of the crystals
This place covers:
Carbonates of sodium or of potassium when claimed per se or the preparation thereof.
For example :
- Preparation by double decomposition
- Preparation from the hydroxides
- Preparation of bicarbonatesm sesquicarbonates
- Purification by crystallisation, by oxydation, by electrolysis
- Preparation in the form of shaped products
- Prevention of moisture absorption
This place covers:
Nitrates of sodium or of potassium when claimed per se or the preparation thereof.
For example :
- Preparation by working-up natural salt mixtures
- Preparation with gaseous nitric acid or nitrogen oxides
- Preparation of by double decomposition
- Purification
- Preparation in the form of shaped products
- Prevention of moisture absorption
This place does not cover:
Preparation of fertilizers or of fertilizers containing them |
This place covers:
Compounds of sodium or potassium not provided for elsewhere when claimed per se or the preparation thereof.
This place covers:
Compounds of lithium claimed per se or the preparation thereof.
For example :
- Lithium hexafluorophosphate
- Oxides, halides, carbonates, nitrates of lithium
This place covers:
Compounds of rubidium, caesium, or francium claimed per se or the preparation thereof.
For example :
- Compounds of Rubidium, Caesium or Francium combined with alkali metals