Method for preventing or retarding the formation of gas hydrates

Details Method for preventing or retarding the formation of gas hydrates Method for preventing or retarding the formation of gas hydrates

1996-11-06

1998-03-03

Smith, Jeffrey T.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

585 15, 585950, 137 3, 137 13, C07C 720, C03K 504

Patent

active

057235244

ABSTRACT:
A composition for preventing or retarding the formation of gas hydrates or for reducing the tendency of gas hydrates to agglomerate, during the transport of a fluid comprising water and a hydrocarbon, through a conduit, comprising, (a) a polymer or copolymer selected from a terpolymer of vinyl pyrrolidone, vinyl caprolactam and an ammonium derivative monomer having from 6 to 12 carbon atoms, selected from the group consisting of dialkyl aminoalkyl methacrylamide, dialkyl dialkenyl ammonium halide and a dialkylamino alkyl acrylate or methacrylate, a copolymer of vinyl pyrrolidone and vinyl caprolactam, and a homopolymer of vinyl caprolactam, and (b) a low molecular weight glycol ether containing an alkoxy group having at least 3 carbon atoms.

REFERENCES:
patent: 4302220 (1981-11-01), Volkamer et al.

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