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:
Oct. 21, 2014
Filed:
Mar. 02, 2012
Walter Bertkau, Ludwigshafen, DE;
Norbert Steidl, Kienberg, DE;
Walter Bertkau, Ludwigshafen, DE;
Norbert Steidl, Kienberg, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Alkanesulfonic acid microcapsules and the use thereof as an additive for acidizing applications in carbonatic rock formations, especially for increasing the permeability of underground carbonatic mineral oil- and/or natural gas-bearing and/or hydrothermal rock formations and for dissolving carbonatic and/or carbonate-containing impurities in the production of mineral oil and/or natural gas or geothermal power generation are described. Additionally described is an acidic formulation comprising the inventive microcapsules and the use thereof for the aforementioned purpose, and a corresponding process.