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:
Jul. 04, 2017
Filed:
Oct. 29, 2015
Applicant:
Noxell Corporation, Hunt Valley, MD (US);
Inventors:
Heike Gertrud Abel, Eiterfeld, DE;
Armin Osan, Bebra, DE;
Markus Speckbacher, Mettenheim, DE;
Ingo Reinhold Weber, Basel, CH;
Garry Steven Garrett, West Chester, OH (US);
Assignee:
Noxell Corporation, Hunt Valley, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/24 (2006.01); C07C 213/02 (2006.01); C07C 245/08 (2006.01); C07C 245/20 (2006.01); C07C 245/24 (2006.01);
U.S. Cl.
CPC ...
C07C 209/24 (2013.01); C07C 213/02 (2013.01); C07C 245/08 (2013.01); C07C 245/20 (2013.01); C07C 245/24 (2013.01); Y02P 20/582 (2015.11);
Abstract
A telescoping process for the preparation of 2-methoxymethyl-p-phenylenediamine, a cosmetically acceptable salt thereof, or mixture thereof. The process according to the present invention is a particularly cost effective process in that it avoids sophisticated chemical steps which requires special equipment or expensive catalysts and in that it comprises a recycling step of one of the starting materials, namely 2-methoxymethylaniline.