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.:
Date of Patent:
Feb. 08, 2005
Filed:
Sep. 15, 1999
Applicant:
Youdong Tong, Houston, TX (US);
Inventor:
Youdong Tong, Houston, TX (US);
Assignee:
Nalco Energy Services, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C10G009/16 ;
U.S. Cl.
CPC ...
Abstract
This invention is directed to a method of inhibiting fouling of heat transfer surfaces in contact with petroleum or hydrocarbon feedstocks comprising contacting the heat-transfer surfaces with an effective amount of a thermally-treated phosphorous-sulfur compound and to methods and apparatus for preparing and contacting the thermally-treated phosphorous-sulfur compounds with the heat transfer surfaces.