Patent ID: 7319124

Claim:
Organic sulphur-nitrogen compounds of the formula R 1 R 2 N(—S x —R 3 —S x —N R 4 ) n —S x —R 3 —S x —N R 5 R 6 , where R 1 , R 2 , R 5 and R 6 are identical or different and are hydrogen, methyl, ethyl, n-butyl, isobutyl, tert-butyl, hexyl, cyclohexyl, octyl, phenyl or benzyl, R 4 is methyl, ethyl, n-butyl, isobutyl, tert-butyl, hexyl, cyclohexyl, octyl, phenyl or benzyl, n is a whole number from 1 to 50, with the proviso that n=0 if R 1 , R 2 , R 5 or R 6 is not hydrogen, R 3 is phenylene, methylene, ethylene, butylene or hexylene and x is a whole number from 2 to 6.