Corrosion and gas hydrate inhibitors with an increased...

Details Corrosion and gas hydrate inhibitors with an increased... Corrosion and gas hydrate inhibitors with an increased...

2005-09-28

2009-11-10

Hill, Jr., Robert J (Department: 1797)

Gas separation: processes

Liquid contacting

Hydrate inhibitor

C252S387000, C252S390000, C252S392000, C252S396000, C507S090000, C507S939000, C585S015000

Reexamination Certificate

active

07615102

ABSTRACT:
The invention relates to the use of compounds of formula (1) as corrosion and gas hydrate inhibitors. In said formula: R1and R2independently of one another represent C1to C22alkyl, C2to C22alkenyl, C6to C30aryl or C7to C30alkyl aryl; R3represents M, hydrogen or an organic group with between 1 and 100 carbon atoms that optionally contains heteroatoms; A represents a C2to C4alkene group; B represents an optionally substituted C1to C10alkene group; D represents an ethylene group that is substituted with an organic group comprising between 1 and 600 carbon atoms; X and Y independently of one another represent O or NR4; R4represents hydrogen, C1to C22alkyl, C2to C22alkenyl, C6to C30aryl or C7to C30alkyl aryl; M represents a cation; and n represents a number between 0 and 30.

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