Chemical coatings, except paint, for use as a rust preventative and corrosion inhibitor; Water-repellent chemical coatings for use as rust preventatives and corrosion inhibitors; Protective sealant for pipes, pipelines, storage tanks and joints formed therebetween, namely, polyisobutylene and isobutylene-isoprene copolymer based coatings for joint sealing and exterior surface sealing; all the foregoing for use on pipes, pipelines, storage tanks and joints formed there between; Preservatives a...