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:
May. 12, 2015
Filed:
Dec. 05, 2010
Applicants:
Gyula Imre Dreisziger, Louvain-laNeuve, BE;
Cornelis Pieter Hamelink, Amsterdam, NL;
Guy Lode Magda Maria Verbist, Amsterdam, NL;
Inventors:
Gyula Imre Dreisziger, Louvain-laNeuve, BE;
Cornelis Pieter Hamelink, Amsterdam, NL;
Guy Lode Magda Maria Verbist, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 28/36 (2006.01); A61L 9/14 (2006.01); C04B 22/06 (2006.01); C04B 41/50 (2006.01); C04B 111/00 (2006.01);
U.S. Cl.
CPC ...
C04B 28/36 (2013.01); C04B 22/068 (2013.01); C04B 41/50 (2013.01); C04B 41/5011 (2013.01); C04B 2111/00017 (2013.01);
Abstract
Method of reducing the odor of sulphur-bound products, in particular modified sulphur or sulphur concrete, comprising contacting the sulphur-bound products with a bleaching agent, like e.g. sodium hydrochloride or hydrogen peroxide. The resulting sulphur-bound products emit reduced levels of sulphur-containing gases such as HS and SOand have a reduced odor.