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:
Jan. 23, 2024
Filed:
Jun. 17, 2019
Applicant:
Nouryon Chemicals International B.v., Arnhem, NL;
Inventors:
Cornelis Elizabeth Johannus Van Lare, Deventer, NL;
Maria Antonieta Leon Matheus, Epse, NL;
Jannes Schutte, Epe, NL;
Cornelis Kooijman, Deventer, NL;
Assignee:
NOURYON CHEMICALS INTERNATIONAL B.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/74 (2006.01); C09K 8/76 (2006.01);
U.S. Cl.
CPC ...
C09K 8/74 (2013.01); C09K 8/76 (2013.01); C09K 2208/10 (2013.01); C09K 2208/32 (2013.01);
Abstract
The disclosure is directed to a process for treating a subterranean earth formation by introducing a monovalent salt of monochloroacetic acid into said subterranean earth formation in the presence of a chelating agent which comprises at least one carboxylate group having a monovalent counterion and furthermore comprises a carbon chain carrying at least five hydroxyl groups. Preferably the cation of the monovalent salt of monochloroacetic acid is sodium.