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:
May. 05, 1998
Filed:
Jul. 10, 1996
Ali Naraghi, Missouri City, TX (US);
Other;
Abstract
Odorant depletion is reduced by passivating the internal surface of LP-gas transportation and storage vessels by the addition of passivating agents comprising mixtures of corrosion inhibitors such as phosphate esters, fatty amines, poly amides, imidazolines, poly imidazolines, quaternary amines, poly quats, dimer acids, trimer acids, polymeric acids, ethoxylated fatty amines, ethoxylated polyamides, ethoxylated alcohols and mixtures thereof in one or more solvents. In a preferred embodiment, the passivating agents contain one or more phosphate esters defined by the equation:
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