Patents by Inventor Heike Gertrud ABEL

Heike Gertrud ABEL has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the preparation of 2-substituted-1,4-benzenediamines and salts thereof
    Patent number: 9758469
    Abstract: A process for the preparation of 2-substituted-1,4-benzenediamines, 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 the 2-substituted aniline.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: September 12, 2017
    Assignee: Noxell Corporation
    Inventors: Garry Steven Garrett, Heike Gertrud Abel, Armin Osan, John Michael Gardlik, Bryan Patrick Murphy, Markus Speckbacher, Ingo Reinhold Weber
  • Telescoping synthesis of 2-methoxymethyl-p-phenylenediamine
    Patent number: 9695109
    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.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: July 4, 2017
    Assignee: Noxell Corporation
    Inventors: Heike Gertrud Abel, Armin Osan, Markus Speckbacher, Ingo Reinhold Weber, Garry Steven Garrett
  • Telescoping synthesis of 2-methoxymethyl-P-phenylenediamine
    Patent number: 9688609
    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-hydroxymethylaniline.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: June 27, 2017
    Assignee: Noxell Corporation
    Inventors: Heike Gertrud Abel, Armin Osan, Garry Steven Garrett, John Michael Gardlik, Bryan Patrick Murphy, Markus Speckbacher, Ingo Reinhold Weber
  • Azo direct dyes and method for dyeing hair using these dyes
    Patent number: 9587116
    Abstract: A compound of formula (I) or (II) or (III): wherein R5, R6, R7, R8?, R8? and R8?? are as defined herein. This compound can be used in a composition for the dyeing of fibers.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: March 7, 2017
    Assignee: Noxell Corporation
    Inventors: Heike Gertrud Abel, Armin Osan, Markus Speckbacher, Ingo Reinhold Weber
  • AZO DIRECT DYES AND METHOD FOR DYEING HAIR USING THESE DYES
    Publication number: 20160122546
    Abstract: A compound of formula (I) or (II) or (III): wherein R5, R6, R7, R8?, R8? and R8?? are as defined herein. This compound can be used in a composition for the dyeing of fibers.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Heike Gertrud ABEL, Armin OSAN, Markus SPECKBACHER, Ingo Reinhold WEBER
  • New Telescoping Synthesis Of 2- Methoxymethyl-P-Phenylenediamine
    Publication number: 20160122286
    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-hydroxymethylaniline.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Heike Gertrud ABEL, Armin OSAN, Garry Steven GARRETT, John Michael GARDLIK, Bryan Patrick MURPHY, Markus SPECKBACHER, Ingo Reinhold WEBER
  • Process for the preparation of 2-substituted-1,4-benzenediamines and salts thereof
    Publication number: 20160122285
    Abstract: A process for the preparation of 2-substituted-1,4-benzenediamines, 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 the 2-substituted aniline.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Garry Steven GARRETT, Heike Gertrud ABEL, Armin OSAN, John Michael GARDLIK, Bryan Patrick MURPHY, Markus SPECKBACHER, Ingo Reinhold WEBER
  • New telescoping synthesis of 2-methoxymethyl-p-phenylenediamine
    Publication number: 20160122284
    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.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Heike Gertrud ABEL, Armin OSAN, Markus SPECKBACHER, Ingo Reinhold WEBER, Garry Steven GARRETT