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. 18, 2013
Filed:
Oct. 15, 2008
Applicants:
Christian Bittner, Bensheim, DE;
Oetter Günter, Frankenthal, DE;
Ulrich Steinbrenner, Neustadt, DE;
Jürgen Huff, Ludwidshafen, DE;
Marcus Guzmann, Mühlhausen, DE;
Inventors:
Christian Bittner, Bensheim, DE;
Oetter Günter, Frankenthal, DE;
Ulrich Steinbrenner, Neustadt, DE;
Jürgen Huff, Ludwidshafen, DE;
Marcus Guzmann, Mühlhausen, DE;
Assignee:
BASF SE, , DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 (2006.01); C07C 309/04 (2006.01); C07C 309/09 (2006.01); C07C 309/17 (2006.01); C11D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Surfactants with polyether sulfonate structure, which have a propanonylsulfonic acid group as a head group, a process for preparing such surfactants and their use for tertiary mineral oil extraction.
Bittner, Christian. (2013). Surfactants with a polyethersulfonate structure method for production thereof and use thereof for tertiary crude oil production (U.S. Patent No. 8465668). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8465668
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile