Description
NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
| Subclass | Title |
|---|---|
| 1/00 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins |
| 1/02 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins Purification |
| 1/04 | Obtaining, purification, or chemical modification of natural resins, e.g. oleo-resins Chemical modification, e.g. esterification |
| 3/00 | Obtaining spirits of turpentine |
| 3/02 | Obtaining spirits of turpentine as a by-product in the paper-pulping process |