Manufacture of photochemical materials
This subclass includes:
- manufacture of photographic plates, photographic films, photographic paper and other photosensitive opaque materials
- manufacture of photochemicals used in photography
Manufacture of other chemicals n
E.c.
This class includes:
- manufacture of various chemical products: peptones and their derivatives, other protein compounds and their derivatives n.e.c., chemically modified oils and fats, textile and leather finishing agents, powders and pastes for soldering and brazing, metal-cutting agents, cement additives, activated carbon, lubricant additives, rubber accelerators, catalysts and other industrial chemicals, anti-seize agents, anti-freezes, hydraulic fluids, diagnostic and laboratory reagents
- manufacture of ink and ink for writing and drawing.
This class excludes:
- manufacture of specific chemical elements or elements with a specific chemical composition, see 20.13, 20.14.9
- manufacture of distilled water, see 20.13.9
- manufacture of other basic organic chemicals, see 20.14.9
- manufacture of printing ink, see 20.30.9
- manufacture of asphalt-based adhesives, see 23.39