Sulfohydroxamic Acids, Chalcogen Analogs Or Salts Thereof (i.e., Compounds Having The -s(=o)(=o)-n(r)-xh Group, Wherein R May Be Hydrogen Or Substitution For Hydrogen, X Is Chalcogen, And H Of -xh May Be Replaced By A Group Ia Or Iia Light Metal,or By Substituted Or Unsubstituted Ammonium) Patents (Class 562/625)