Chemistry: Physical Processes Patents (Class 23)

Physical processes (Class 23/293R)

Sublimation (Class 23/294R)
Crystallization (Class 23/295R)
Concentration of liquids in liquids (Class 23/306)
Melting out (Class 23/308R)
Agglomerating (Class 23/313R)
Sulfur (Class 23/293S)
Flaking, spraying (Class 23/293A)

Class-related foreign documents (Class 23/FOR000)