The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 1993
Filed:
Dec. 16, 1991
Emanuel L Daigle, Gonzales, LA (US);
John C Watson, Brusly, LA (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
A storage tank apparatus is described which comprises an above-ground storage tank having a first, lowermost bottom, a second bottom joined to the walls of the storage tank above the first, lowermost bottom and defining a space between the first and second bottoms, structural support means placed in the space between the first and second bottoms for supporting the second bottom above the first bottom, and a plurality of sampling ports spaced about the perimeter of the storage tank and permitting access to the space between the first and second bottoms and to the avenues for fluid communication provided therethrough by the structural support means. Processes for detecting leaks and avenues for leaks of materials placed in the storage tanks of such apparatus are also described.