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. 26, 2021
Filed:
Nov. 09, 2018
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventors:
Matthias Sunder, Duesseldorf, DE;
Uwe Trebbe, Duesseldorf, DE;
Stefan Hammelstein, Duesseldorf, DE;
Volker Blank, Leverkusen, DE;
Thomas Holderbaum, Hilden, DE;
Alexander Tollkoetter, Hilden, DE;
Niklas Siepler, Duesseldorf, DE;
Gerd Boesemann, Duesseldorf, DE;
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/40 (2006.01); C11D 3/43 (2006.01);
U.S. Cl.
CPC ...
C11D 3/40 (2013.01); C11D 3/43 (2013.01);
Abstract
A continuous method for preparing a liquid washing or cleaning agent which includes at least one surfactant and at least one dye. In this case, the dye solution used in the method according to the invention is free of preservatives. The present invention also relates to washing or cleaning agents which are obtained by way of the method according to the invention.