Crystallization inhibitor for paraffin

Details Crystallization inhibitor for paraffin Crystallization inhibitor for paraffin

1977-05-10

1978-08-29

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 83, 252 855B, C09K 300

Patent

active

041102835

ABSTRACT:
The invention refers to crystallization inhibitor compositions, which contain as the active component a copolymer of 4-vinyl pyridine and of acrylic acid esters, dispersed in an aqueous medium. They are suitable for use in paraffinic oils to prevent the deposition of solid paraffin on walls of containers and pipelines.
While the known compositions which contain the same active component are not suitable for use under field conditions due to their high solidification temperature, the novel compositions can be used at temperatures as low as -15.degree. C. and the dispersions are quite stable on storage and have low viscosity.

REFERENCES:
patent: 2839512 (1958-06-01), Barnum et al.
patent: 3722592 (1973-03-01), Bucaram et al.
patent: 3957659 (1976-05-01), VAN DE Kraats et al.
patent: 4045360 (1977-08-01), Fischer et al.

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