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:
Jun. 27, 2017
Filed:
Dec. 21, 2012
Applicants:
Shell Internationale Research Maatschappij B.v., Carel van Bylandtlaan, NL;
Shell Oil Company, Houston, TX (US);
Inventors:
Julian Richard Barnes, Amsterdam, NL;
Hendrik Dirkzwager, Harde, NL;
Robert Moene, Amsterdam, NL;
Jasper Roelf Smit, Amsterdam, NL;
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 309/00 (2006.01); C07C 303/22 (2006.01); C07C 303/06 (2006.01); C07C 309/20 (2006.01);
U.S. Cl.
CPC ...
C07C 303/22 (2013.01); C07C 303/06 (2013.01); C07C 309/20 (2013.01);
Abstract
The invention relates to a process for preparing an internal olefin sulfonate, comprising sulfonating an internal olefin into sulfonated internal olefin followed by contacting sulfonated internal olefin with a base containing solution, wherein the molar ratio of internal olefin to solvent for the base is higher than 0.06. Further, the invention relates to an internal olefin sulfonate obtainable by said process.