Manual of U.S. Patent Classification
as of June 30, 2000

Class
201
DISTILLATION: PROCESSES, THERMOLYTIC

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Subclass definitions may be accessed by clicking on the subclass number, below.

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Subclass		Title
ClassTitle		===> DISTILLATION: PROCESSES, THERMOLYTIC
1		WITH MEASURING, TESTING OR INSPECTING
2		WITH CLEANING OF APPARATUS
2.5		NON-MINERAL DISTILLAND WITH CATALYST OR CHEMICAL TREATMENT OF VOLATILE COMPONENT
3		WITH PHYSICAL SEPARATION OF SOLID BY-PRODUCT FROM REMOVED ADMIXTURE
4		. Gas or vapor containing mixture
5		AND SHAPING TO DESIRED FORM OR CONFIGURATION
6		. Prior to charging to carbonizing zone
7		WITH COMMINUTING
8		. Prior to charging to carbonizing zone
9		AND SURFACE TREATING MATERIAL TO REDUCE OR PREVENT AGGLOMERATING OR FOAMING OR SWELLING DURING DISTILLATION
10		BY CONDUCTION USING PREHEATED CHARGE CONTAINER OR PREHEATED INERT DISPARATE SOLID OR PREHEATED LIQUID
11		. Liquid is metal
12		. Particulate disparate solid
13		USING A CARBONIZATION PRODUCT AS INDIRECT HEAT SOURCE
14		. For heating the carbonaceous material
15		. . Including heat by burning of product
16		. . . Solid product
17		AND REFINING CHAR, E.G., DESULFURIZING COKE
18		UTILIZING APPARATUS OF PARTICULAR COMPOSITION
19		APPLYING ELECTRICAL ENERGY DIRECTLY TO MATERIAL
20		ADDING DISPARATE NON-GASEOUS MATERIAL TO FEED
21		FEED OF TWO OR MORE CARBONACEOUS MATERIAL (AT LEAST THE PREDOMINATE ONE BEING SOLID)
22		. Char containing
23		. Mineral oil containing
24		. Coals only
25		FEED OTHER THAN COAL, OIL SHALE OR WOOD
26		IN PARALLEL STAGES SIMULTANEOUSLY
27		INCLUDING BURNING OF VAPORIZED PRODUCT
28		SEQUENTIALLY REMOVING, TREATING AND RECYCLING A PRODUCT
29		. Removing and treating vapor
30		AND FRACTIONALLY CONDENSING VAPORS
31		FLUIDIZED BED
32		IN A MOVING BED
33		. Agitating
34		. Gravitating
35		CARBONIZING UNDER PNEUMATIC PRESSURE OR VACUUM
36		AND ADDING DISPARATE GASEOUS MATERIAL TO THE CARBONIZING ZONE
37		. Combustion gases
38		. Steam containing
39		QUENCHING CHAR WITH AN INERT MATERIAL
40		ARRANGING THE CARBONACEOUS MATERIAL IN THE CARBONIZING ZONE
41		MISCELLANEOUS
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		CROSS-REFERENCE ART COLLECTIONS
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42		PARTICLE SIZE
43		AN EXTRANEOUS, CYCLICALLY CIRCULATED, INERT HEATING GAS
44		PLURAL DISTINCT TEMPERATURE STAGES
45		DISTILLATE TREATMENT OR CONSERVATION

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Last Modified: 6 October 2000