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.:

US 8198398 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 12, 2012

Filed:

Dec. 21, 2009
Applicants:

Marco Antonius Denneman, Amsterdam, NL;

Willem Karzijn, Amsterdam, NL;

Inventors:

Marco Antonius Denneman, Amsterdam, NL;

Willem Karzijn, Amsterdam, NL;

Assignee:

Shell Oil Company, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 (2006.01); B08B 9/00 (2006.01); C08F 2/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention relates to a process for removing fouling on a surface, wherein the surface is contacted with an aqueous solution of a guanidine of formulaRRN—C(═NH)—NRR  (I)wherein R, R, Rand Rmay be the same or different and each of R, R, Rand Ris hydrogen or hydrocarbyl.


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Denneman, Marco. (2012). Process for removing fouling (U.S. Patent No. 8198398). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8198398

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