Distillation: Processes, Thermolytic Patents (Class 201)

With measuring, testing or inspecting (Class 201/1)

With cleaning of apparatus (Class 201/2)

Non-mineral distilland with catalyst or chemical treatment of volatile component (Class 201/2.5)

With physical separation of solid by-product from removed admixture (Class 201/3)

And shaping to desired form or configuration (Class 201/5)

With comminuting (Class 201/7)

And surface treating material to reduce or prevent agglomerating or foaming or swelling during distillation (Class 201/9)

By conduction using preheated charge container or preheated inert disparate solid or preheated liquid (Class 201/10)

Using a carbonization product as indirect heat source (Class 201/13)

And refining char, e.g., desulfurizing coke (Class 201/17)

Utilizing apparatus of particular composition (Class 201/18)

Applying electrical energy directly to material (Class 201/19)

Adding disparate non-gaseous material to feed (Class 201/20)

Feed of two or more carbonaceous material (at least the predominate one being solid) (Class 201/21)

Feed other than coal, oil shale or wood (Class 201/25)

In parallel stages simultaneously (Class 201/26)

Including burning of vaporized product (Class 201/27)

Sequentially removing, treating and recycling a product (Class 201/28)

And fractionally condensing vapors (Class 201/30)

Fluidized bed (Class 201/31)

In a moving bed (Class 201/32)

Carbonizing under pneumatic pressure or vacuum (Class 201/35)

And adding disparate gaseous material to the carbonizing zone (Class 201/36)

Quenching char with an inert material (Class 201/39)

Arranging the carbonaceous material in the carbonizing zone (Class 201/40)

Miscellaneous (Class 201/41)

Particle size (Class 201/42)

An extraneous, cyclically circulated, inert heating gas (Class 201/43)

Plural distinct temperature stages (Class 201/44)

Distillate treatment or conservation (Class 201/45)

Class-related foreign documents (Class 201/FOR000)