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.

Date of Patent:
Aug. 20, 1985

Filed:

May. 11, 1984
Applicant:
Inventors:

William J Settineri, Midland, MI (US);

John G Charles, Westerville, OH (US);

Jerald J Hinkel, Houston, TX (US);

Bradley P Malone, Kalkaska, MI (US);

Assignee:

The Dow Chemical Company, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; E21B / ;
U.S. Cl.
CPC ...
134-5 ; 134 21 ; 134 2211 ; 134 30 ; 134 40 ; 166304 ; 252 / ;
Abstract

A sulfur trioxide-containing fluid, e.g., sulfur trioxide gas, is contacted with the surfaces of equipment in contact with crude oil or natural gas to retard the deposition of paraffins from the crude oil or natural gas and/or to react with the paraffins already deposited on the equipment surfaces to produce a water-dispersible material which is removed with an aqueous liquid.


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