This inventor holds 6 USPTO granted patents. Top assignee: Henkel Ag & Company, Kgaa. Active years: 1978-1980.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1978-1980
Title: Erwin Weinrich: Innovator in Hair Care Chemistry
Introduction
Erwin Weinrich is a notable inventor based in Haan, Germany. He has made significant contributions to the field of hair care chemistry, particularly in the development of innovative hair bleaching and dyeing compositions. With a total of 6 patents to his name, Weinrich's work has had a lasting impact on the beauty industry.
Latest Patents
Weinrich's latest patents include a two-component peroxide hair bleaching composition. This innovative formulation comprises a peroxide oxidation agent, an ammonia-free alkalinization agent, and a guanidine derivative that acts as a bleaching accelerator. The specific chemical structure of the guanidine derivative allows for effective hair bleaching without the harsh effects typically associated with traditional methods. Another significant patent involves oxidation hair dyes based on tetraaminopyrimidine developers. This aqueous hair dye preparation features a combination of a developer component consisting of a tetraaminopyrimidine derivative and a coupler, enhancing the effectiveness and safety of hair coloring.
Career Highlights
Throughout his career, Erwin Weinrich has worked with prominent companies in the industry, including Henkel Kommanditgesellschaft Auf Aktien. His experience in these organizations has allowed him to refine his expertise in hair care formulations and contribute to the development of cutting-edge products.
Collaborations
Weinrich has collaborated with notable colleagues such as Edgar Lieske and David Rose. These partnerships have fostered a creative environment that has led to the successful development of innovative hair care solutions.
Conclusion
Erwin Weinrich's contributions to hair care chemistry through his patents and collaborations have significantly advanced the industry. His innovative approaches continue to influence the development of safer and more effective hair care products.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
