English: C 08 G 73/ 00 Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups 12/00 to 71/00 [2] . Polyamines (containing less than eleven monomer units C 07 C) [2] . . derived from alkyleneimines [2] . Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule; Polyhydrazides; Polyamide acids or similar polyimide precursors [2] . . Polyhydrazides; Polytriazoles; Polyaminotriazoles; Polyoxadiazoles [2] . . Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors [2] . . . Unsaturated polyimide precursors [2] . . . Polyamide-imides [2] . . . Polyester-imides [2] . . Polybenzimidazoles [2] . . Pyrrones [2] . . Polybenzoxazoles [2] . Copolymers of a fluoronitroso organic compound and another fluoro organic compound, e.g. nitroso rubbers [2] . . of trifluoronitrosomethane with a fluoro-olefin [2] Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon [2] . Polythioethers [2] . . from mercapto compounds or metallic derivatives thereof [2] . . from cyclic thioethers [2] . . . from thiiranes [2] . . from sulfur or sulfur-containing compounds and aldehydes or ketones [2] . Polythioether-ethers [2] . Polysulfides [2] . . by polycondensation of organic compounds with inorganic polysulfides [2] . Polysulfoxides [2] . Polysulfones [2] . . Copolymers of sulfur dioxide with unsaturated aliphatic compounds [2] . . Polyethersulfones [2] . Polysulfonates [2] . Polythioesters [2] . Polythiocarbonates [2] . Polysulfonamides; Polysulfonimides [2] . Polythiazoles; Polythiadiazoles [2] Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon [2] . Polysilicates [2] . Polysiloxanes [2] . . Preparatory processes [2] . . . characterised by the catalysts used [2] . . . Equilibration processes [2] . . containing silicon bound to hydrogen [2] 77/ 14 77/ 16 77/ 18 77/ 20 77/ 22 . . containing silicon bound to oxygen-containing groups [2] . . . to hydroxy groups [2] . . . to alkoxy or aryloxy groups [2] . . containing silicon bound to unsaturated aliphatic groups [2] . . containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen [2] . . . halogen-containing groups [2] . . . nitrogen-containing groups [2] . . . sulfur-containing groups [2] . . . phosphorus-containing groups [2] . . Post-polymerisation treatment (chemical aftertreatment 77/38) [2] . . . Purification [2] . . . Fractionation [2] . . Polysiloxanes modified by chemical aftertreatment [2] . . . containing atoms other than carbon, hydrogen, oxygen or silicon [5] . . . . containing halogens [5] . . . . containing nitrogen [5] . . . . containing sulfur [5] . . . . containing phosphorus [5] . . . . containing boron or metal atoms [5] . Block- or graft-polymers containing polysiloxane sequences (polymerising aliphatic unsaturated monomers on to a polysiloxane C 08 F 283/12) [2] . . containing only polysiloxane sequences [2] . . containing vinyl polymer sequences [5] . . containing polyester sequences [5] . . containing polycarbonate sequences [5] . . containing nitrogen-containing sequences [5] . . . containing polyamide, polyesteramide or polyimide sequences [5] . . . containing polyurethane sequences [5] . . containing polyether sequences [2] . in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms (77/42 takes precedence) [2] . . by carbon linkages [2] . . . containing aromatic rings [2] . . Nitrogen-containing linkages [2] . . Boron-containing linkages [2] . . Metal-containing linkages [2] . in which all the silicon atoms are connected by linkages other than oxygen atoms [2] . . Nitrogen atoms [2] Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon [2] . a linkage containing phosphorus [2] . . Phosphorus linked to oxygen or to oxygen and carbon [2] . . Phosphorus linked to carbon only [2] . a linkage containing boron [2] . a linkage containing aluminium [2]
French: 3, Section C