This inventor holds 2 USPTO granted patents. Top assignee: Hoechst Aktiengesellschaft. Active years: 1983-1985.
Company Filing History:
Years Active: 1983-1985
Title: Werner Ehmann: Innovator in Aqueous Polyvinyl Ester Dispersions
Introduction
Werner Ehmann is a notable inventor based in Frankfurt, Germany. He has made significant contributions to the field of adhesive technology through his innovative work on aqueous polyvinyl ester dispersions. With a total of 2 patents, his inventions have enhanced the performance and application of adhesives in various industries.
Latest Patents
Ehmann's latest patents focus on the development of aqueous polyvinyl ester dispersions. The first patent describes a dispersion with a solids content of 35 to 65 weight percent, which includes 3 to 12 weight percent of polyvinyl alcohol and 2 to 70 weight percent of natural starch. This formulation exhibits excellent adhesive properties and is particularly suitable for manufacturing adhesives for porous substrates. The second patent outlines a similar dispersion with a solids content of 40 to 70 percent by weight, containing 3 to 15 percent by weight of polyvinyl alcohol and 5 to 60 percent by weight of a waxy, fatty, or oily additive. This dispersion is designed for the preparation of adhesives for cellulose-containing materials.
Career Highlights
Werner Ehmann is associated with Hoechst Aktiengesellschaft, a prominent company in the chemical industry. His work at Hoechst has allowed him to focus on the development of innovative adhesive solutions that meet the needs of various applications. His expertise in emulsion polymerization has been instrumental in creating high-performance adhesive products.
Collaborations
Ehmann has collaborated with notable colleagues, including Helmut Rinno and Alfons Homanner. These partnerships have contributed to the advancement of adhesive technologies and the successful development of his patented formulations.
Conclusion
Werner Ehmann's contributions to the field of adhesive technology through his patents on aqueous polyvinyl ester dispersions demonstrate his innovative spirit and commitment to enhancing adhesive performance. His work continues to influence the industry and pave the way for future advancements.