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:
Sep. 03, 2013
Filed:
Dec. 09, 2008
Jennifer D. Draper, Bryan, TX (US);
Mark R. Williams, Katy, TX (US);
Weldon J. Cappel, Houston, TX (US);
Jerry J. Weers, Richmond, TX (US);
Jennifer D. Draper, Bryan, TX (US);
Mark R. Williams, Katy, TX (US);
Weldon J. Cappel, Houston, TX (US);
Jerry J. Weers, Richmond, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
Hydrogen sulfide evolution from asphalt may be reduced or eliminated using an additive to act as a scavenger. Zinc oxide, when present in the form of nano-particles is an effective component is preventing or mitigating the evolution of hydrogen sulfide from asphalt. Zinc sulfonate may also be used. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).