Carol Jean Hendrickson

US Patent:

53546032, Oct 11, 1994

Filed:

Jan 15, 1993

Appl. No.:

8/004967

Inventors:

Louis A. Errede - North Oaks MN
Carol E. Hendrickson - Houlton WI
Dale R. Anderson - Mahtomedi MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

B32B 500

US Classification:

428240

Abstract:

A composite marine structure comprises a marine substrate having adhered to at least a portion of its surface a layer of a water-permeable composite article comprising a non-woven fibrous web having entrapped therein active particulate to provide said marine substrate with protection against at least one of fouling and corrosion. Underwater surfaces such as ship hulls, buoys, docks, intake pipes, etc. , can be protected against marine growth and corrosion by adhering thereto the composite sheet article of the invention.