Abstract: There is provided as a biocide zinc or copper (II) salt having the general formula CH2?C(R1)COO-M-OCOC6H3R2R4, wherein M is Zn or Cu, R1 is selected from the group comprising hydrogen and methyl, R2 is selected from the group comprising hydrogen and OH, R4 is selected from the group comprising hydrogen, alkyl and SO2OH group.

Abstract: Zinc and copper (II) salts of the general formula CH2?C(R1)COO-M-OCOR2 are disclosed, wherein M-Zn or Cu, R1—H or CH3, R2—C2-C25 alkyl, or R2—CO—O— group is crotonate, or sorbate, or linoleate, excluding the compounds: CH2?C(CH3)—COO—Zn—O—CO—C2H5, CH2?CH—COO—Zn—O—CO—C2H5, CH2?CH—COO—Cu—O—CO—C2H5, CH2?C(CH3)—COO—Zn—O—CO—(CH2)4—CH3, CH2?CH—COO—Zn—O—CO—(CH2)4—CH3, CH2?CH—COO—Zn—O—CO—(CH2)6—CH3, CH2?C(CH3)—COO—Zn—O—CO—(CH2)6—CH3, CH2?CH—COO—Cu—O—CO—(CH2)6—CH3, CH2?CH—COO—Zn—O—CO—(CH2)14—CH3, CH2?C(CH3)—COO—Zn—O—CO—(CH2)16—CH3, CH2?C(CH3)—COO—Zn—O—CO-iso-C17H35, CH2?CH—COO—Zn—O—CO-iso-C17H35, CH2?C(CH3)—COO—Zn—O—CO—(CH2)17—CH3. Salts of the general formula wherein R2—C2-C25 alkyl, or R2—CO—O— group is crotonate, or sorbate, or linoleate, are applicable as biocides.

Abstract: Zinc or copper (II) salt which can be used as a biocide, having the general formula CH2C(R1)CO—M—OCOR2(OH)m(COOH)n wherein M is Zn or Cu, R1 is selected from the group comprising hydrogen and methyl, R2 is substituted C1-C5 alkyl, m=0-5, n=0-2, m+n=1-5.