Organic material

Full Title

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor > Organic material

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Subclass:

SEPARATION

Child Classifications

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• B01D 71/08 Polysaccharides
• B01D 71/24 Rubbers
• B01D 71/26 Polyalkenes
• B01D 71/28 Polymers of vinyl aromatic compounds
• B01D 71/3 Polyalkenyl halides
• B01D 71/38 Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
• B01D 71/4 Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
• B01D 71/44 Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups
• B01D 71/46 Epoxy resins
• B01D 71/48 Polyesters
• B01D 71/5 Polycarbonates
• B01D 71/52 Polyethers
• B01D 71/54 Polyureas; Polyurethanes
• B01D 71/56 Polyamides, e.g. polyester-amides
• B01D 71/58 Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
• B01D 71/66 Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only
• B01D 71/7 Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
• B01D 71/72 Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups
• B01D 71/74 Natural macromolecular material or derivatives thereof
• B01D 71/76 Macromolecular material not specifically provided for in a single one of groups