Company Filing History:
Years Active: 1979-1987
Title: Winfried Ehrl: Innovator in Urethane Technology
Introduction
Winfried Ehrl is a notable inventor based in Neuotting, Germany. He has made significant contributions to the field of urethane technology, holding a total of five patents. His work focuses on developing innovative materials that enhance the properties of textiles, leather, and other surfaces.
Latest Patents
Ehrl's latest patents include novel urethanes that contain perfluoroalkyl and epichlorohydrin groups. These urethanes are characterized by a specific formula where 'a' ranges from 5 to 17 and 'b' ranges from 1 to 7. They are synthesized by reacting perfluoroalkylethanol/epichlorohydrin adducts with toluene diisocyanates. The resulting aqueous dispersions consist of these urethanes, along with cationic or betaine emulsifiers, non-ionic emulsifiers, and various esters. These innovations are designed to provide an oleophobic and hydrophobic finish to textiles, leather, and furs, and are also applicable for treating unpainted timber, such as furniture. Additionally, he has developed hair shampoos and body cleansing agents that incorporate alkyl-sulfatobetaine, enhancing their cleansing properties.
Career Highlights
Winfried Ehrl has had a distinguished career at Hoechst Aktiengesellschaft, where he has been instrumental in advancing urethane technology. His expertise and innovative approach have led to the development of products that meet the evolving needs of various industries.
Collaborations
Ehrl has collaborated with notable colleagues, including Rolf Kleber and Siegfried Billenstein. Their combined efforts have contributed to the success of their projects and the advancement of their field.
Conclusion
Winfried Ehrl's contributions to urethane technology have made a significant impact on various applications, from textiles to personal care products. His innovative spirit and dedication to research continue to drive advancements in the industry.