 
| Class | Class Name | 
|---|---|
| 4 | non-chemical additives for greases | 
| 4 | non-chemical additives for lubricants | 
| 4 | non-chemical additives for lubricating greases | 
| 4 | non-chemical additives for lubricating oils | 
| 4 | non-chemical additives for motor fuels | 
| 4 | non-chemical additives for oils and fuels | 
| 4 | non-chemical extreme-pressure additives for motor oils | 
| 4 | non-chemical fuel additives | 
| 4 | non-chemical fuel additives for vehicles | 
| 4 | non-chemical gasoline additives | 
| 4 | non-chemical motor oil additives | 
| 4 | non-chemical viscosity control additives for lubricant | 
| 4 | non-slipping preparations for belts | 
| 4 | oil-gas | 
| 4 | oils and greases for automobiles | 
| 4 | oils for automobiles | 
| 4 | oils for engines | 
| 4 | oils for fixed and marine engines | 
| 4 | oils for industrial purposes | 
| 4 | oils for industrial use | 
| 4 | oils for lighting | 
| 4 | oils for making rubber | 
| 4 | oils for metal cutting and removal | 
| 4 | oils for motors and engines | 
| 4 | oils for paints | 
| 4 | oils for releasing form work [building] | 
| 4 | oils for scrub clearing-machines and motor-saw | 
| 4 | oils for servo control hydraulic systems for agricultural machines | 
| 4 | oils for servo control hydraulic systems for earth moving machines | 
| 4 | oils for servo control hydraulic systems for motor vehicles | 
| 4 | oils for servo control hydraulic systems for tractors | 
| 4 | oils for surface treatment | 
| 4 | oils for the hydrodynamic drive for vehicle | 
| 4 | oils for the preservation of leather | 
| 4 | oils for the preservation of masonry | 
| 4 | oils for turbo units | 
| 4 | oils for use with machine tools | 
| 4 | oils for use with machines | 
| 4 | oleine | 
| 4 | ozocerite | 
| 4 | ozokerite | 
| 4 | paper spills for lighting fires | 
| 4 | paraffin | 
| 4 | paraffin wax | 
| 4 | paraffinic gear oils | 
| 4 | peat briquettes [fuel] | 
| 4 | peat [fuel] | 
| 4 | penetrating oils [lubricants] | 
| 4 | perfumed candles | 
| 4 | petrol |