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| SECTION C– CHEMISTRY; METALLURGY |
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| C 11 | ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES (edible oil or fat compositions A 23) |
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| C 11 C | FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM |
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1/ | 00 | Preparation of fatty acids from fats, fatty oils, or waxes; Refining the fatty acids (recovery of fatty acids from waste materials C 11 B 13/00) |
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1/ | 02 | . | from fats or fatty oils |
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1/ | 04 | . | . | by hydrolysis |
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1/ | 06 | . | . | . | using solid catalysts |
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1/ | 08 | . | Refining |
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1/ | 10 | . | . | by distillation |
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3/ | 00 | Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom (sulfonated fats or oils C 07 C 309/62; factice C 08 H; drying-oils C 09 F) |
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3/ | 02 | . | by esterification of fatty acids with glycerol |
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3/ | 04 | . | by esterification of fats or fatty oils |
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3/ | 06 | . | . | with glycerol |
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3/ | 08 | . | . | with fatty acids |
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3/ | 10 | . | . | Ester interchange |
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3/ | 12 | . | by hydrogenation |
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3/ | 14 | . | by isomerisation |
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5/ | 00 | Candles |
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5/ | 02 | . | Apparatus for preparation thereof |
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