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:
Mar. 05, 2013
Filed:
Jul. 15, 2010
Martin Uellner, Darmstadt, DE;
Mustafa Grit, Gernsheim, DE;
Martin Uellner, Darmstadt, DE;
Mustafa Grit, Gernsheim, DE;
KAO Germany GmbH, Darmstadt, DE;
Abstract
A composition and method oxidative colors hair based on at least one oxidative dye precursor and having effervescent properties. An aqueous oxidative hair dyeing composition resulting from mixing two aqueous compositions A and B wherein the mixed composition has a pH below or equal to 7.0, preferably is in the range of 2 to 7.0, more preferably 3 to 7. Composition A comprises at least one oxidizing agent and at least one acidic compound and has a pH between 2 and 5, and composition B comprises at least one oxidative dye precursor, optionally at least one coupling agent, optionally at least one direct dye, at least one COreleasing compound and has a pH between 8 and 11.