Patent ID: 6410622
Filing Date: 2002-06-25
Classification: B63B,C08K

Abstract:
A method of preventing fouling organisms in marine environments, comprising the step of:introducing into the marine environment in a sufficient amount an antifouling composition, wherein the antifouling composition is used as and/or incorporated into at least one of paints, coatings, solutions, emulsions, pellets, powders, and flakes, the antifouling composition having as its effective ingredient a nitric oxide-releasing functional group whereupon nitric oxide is controllably released into the marine environment to prevent at least one of the fouling organisms' propagation, ability to attach, and ability to function; wherein the nitric oxide-releasing functional group is of the formula: â€ƒwherein b and d are the same or different and may be zero or one; R1, R2, R3, R4 and R5 are the same or different and may be hydrogen, C3-8 cycloalkyl, C1-12 straight or branched chain alkyl, benzyl, benzoyl, phthaloyl, acetyl, trifluoroacetyl, p-toluyl, t-butoxycarbonyl, or 2,2,2-trichloro-6-butoxycarbonyl; and x, y, and z are the same or different and are integers from 2 to 12.