GB467701A - Process for rendering materials moth-proof - Google Patents

Abstract

467,701. Mothproofing. GEIGY AKT.- GES., J. R. June 15, 1936, No. 16637. Convention date, May 9. [Class 140] Textiles, furs, feathers, wool, hair, &c., are proofed against moth, by treatment with a solution or mixture containing thianthrene or a derivative or substitution product thereof, for example, by brushing, spraying or immersion. The thianthrenes may be dissolved in water, hydrocarbons, chlorinated hydrocarbons, alcohols, ketones, &c., or mixtures thereof, or emulsified in oils, fats or creams, or added to powders or used in any of the forms usual for mothproofing compositions. They may be used in combination with other mothproofing agents. Suitable thianthrene compounds are 2 : 6-dimethylthianthrene ; 1 : 3: 5: 7-tetramethylthianthrene ; 2-chlorothianthrene ; 2 : 7-dichlorothianthrene ; 2 : 7-dichloro-3 : 6 dimethyl thianthrene; 4: 5-dichloro-1 : 8-dimethyl thianthrene ; thianthrene dicarboxylic acid ; dimethoxythianthrene ; 2 : 3 : 6 : 7- tetramethoxythianthrene ; dinitrothianthrene ; 3 - nitro - 6 - methylthianthrene ; 3 - nitro - 8- methoxy - 5 - methylthianthrene; 6 - chloro - 3- nitrothianthrene 5 : 8 - dichloro - 3-nitrothianthrene ; 3-amino-6-methylthianthrene hydrochloride ; thianthrene sulphonic acid ; naphthianthrene ; thianthrene-S-oxide ; thianthrene- S - dioxide ; thianthrene monosulsulphone ; thianthrene disulphone; 2 : 6-dimethylthianthrene-S-oxides ; 2 : 3 : 6 : 7 tetramethoxythianthrene-S-oxides; 3 : 7-dimethoxy-2 : 6- dioxythianthrene disulphide.