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:
Feb. 12, 2019
Filed:
May. 22, 2015
Korea Institute of Energy Research, Daejeon, KR;
Korea National University of Transportation Industry Academic Cooperation Foundation, Chungcheongbuk-do, KR;
Other;
Abstract
The present invention provides a method for inhibiting structure II (sII) gas hydrate formation which comprises treating (i) a gas hydrate inhibitor and (ii) at least one additive selected from the group consisting of N-hexyl-N-methyl-pyrrolidinium tetrafluoroborate (HMP-BF), M-hydroxyethyl-N-methyl-pyrrolidinium tetrafluoroborate (HEMP-BF), N-ethyl-N-methyl-immidazolium tetrafluoroborate (EMIM-BF) and N-ethyl-N-methyl-pyrrolidinium tetrafluoroborate (EMP-BF) in water, which is in contact with a gas mixture of forming structure II gas hydrate. The additives according to the present invention can exhibit the same or greater effects of inhibiting the formation of the structure II gas hydrate through an interaction, even when the amount of a gas hydrate inhibitor is reduced.