This inventor holds 1 USPTO granted patent. Top assignee: Zimmer Aktiengesellschaft. Active years: 1978.
Company Filing History:
Years Active: 1978
Title: Eberhard Hackel: Innovator in Polyester Production
Introduction
Eberhard Hackel is a notable inventor based in Hochstadt, Germany. He has made significant contributions to the field of polymer chemistry, particularly in the production of linear polyesters. His innovative approach has led to advancements in the manufacturing processes of these essential materials.
Latest Patents
Eberhard Hackel holds a patent for a process for making linear polyesters from ethylene glycol. This patent describes a batch process for esterifying ethylene glycol and terephthalic acid at elevated temperature and pressure. In this process, a portion of the ethylene glycol required for complete esterification is placed in an autoclave and heated under pressure. The remainder of the glycol is then added in the form of a paste with terephthalic acid. The glycol initially present in the autoclave typically amounts to 0.3 to 0.8 moles per mole of terephthalic acid, while the glycol added as a paste amounts to 1.4 to 0.9 moles per mole of terephthalic acid. Notably, the glycol initially in the autoclave may be reclaimed from the mixture volatilized during the reaction and can contain up to 20% water, preferably 2-6% water. This innovative method enhances the efficiency of polyester production.
Career Highlights
Eberhard Hackel is associated with Zimmer Aktiengesellschaft, a company known for its advancements in various technological fields. His work has contributed to the company's reputation for innovation and excellence in polymer production.
Collaborations
Eberhard Hackel has collaborated with Helmut Heinze, another professional in the field, to further enhance the development of polyester manufacturing processes. Their combined expertise has led to significant advancements in the industry.
Conclusion
Eberhard Hackel's contributions to polyester production through his innovative patent demonstrate his commitment to advancing polymer chemistry. His work continues to influence the industry and showcases the importance of innovation in manufacturing processes.