Patent ID: 7956094

Claim:
A method for producing a self-sterilized, antiseptic collagen preparation, the method comprising adding at least one water-soluble, antimicrobially active agent, at least one surface-active agent and at least one polysaccharide to an aqueous collagen solution or aqueous collagen suspension, the at least one antimicrobially active agent being selected from the group consisting of nitroxoline, polyhexanide, octenidine, salts of polyhexamethylene biguanide, salts of octenidine, polyhexamethylene biguanide hydrochloride, octenidine dihydrochloride and octenidine disaccharin, and the at least one surface-active agent being selected from the group consisting of glycine derivatives of fatty acids, sulfosucchinate derivatives of fatty acids, amide derivatives of fatty acids and distearyl dimethyl ammonium chloride, wherein the collagen preparation is self-sterilized and antiseptic and comprises 0.1 to 40 percent by weight of the at least one antimicrobially active agent and 10 to 90 percent by weight of the at least one polysaccharide, relative to the dry weight of the preparation.