This inventor holds 2 USPTO granted patents. Top assignee: Ciba-Geigy Corporation. Active years: 1978-1981.
Company Filing History:
Years Active: 1978-1981
Title: Innovations of Andreas Laely in Polyester Coloring
Introduction
Andreas Laely is a notable inventor based in Allschwil, Switzerland. He has made significant contributions to the field of polymer chemistry, particularly in the coloration of linear polyesters. With a total of 2 patents to his name, Laely's work has advanced the methods used in the production of colored polyester materials.
Latest Patents
Laely's latest patents include a "Method for the production of a pigment preparation for coloring linear polyesters in the melt." This invention outlines a process that involves forming a concentrate from 20 to 80 parts of pigment and 80 to 20 parts of a polyester that melts between 60°C and 160°C. The method includes kneading in the presence of a salt and a solvent or using a flush process. The concentrate is then mixed with a fiber-forming linear polyester, melted, and processed into granules. The invention also provides the pigment preparation obtained by this process and the linear polyesters colored with it.
Another significant patent is the "Process for the mass coloration or whitening of linear polyesters." This process involves mixing the polyester to be colored, in either solid or fused state, with a preparation consisting of a colorant or fluorescent brightener and a polystyrene with a softening point above 100°C. The resultant mixture is converted into a molten state and formed into shaped articles, resulting in evenly and deeply colored polyesters.
Career Highlights
Andreas Laely has been associated with Ciba-Geigy Corporation, a prominent player in the chemical industry. His work at the company has allowed him to focus on innovative solutions for polyester coloration, contributing to advancements in the field.
Collaborations
Laely has collaborated with notable coworkers such as Gunther Zwahlen and Lothar Buxbaum. Their combined expertise has fostered a productive environment for innovation and development in polyester technologies.
Conclusion
Andreas Laely's contributions to the field of polyester coloration through his innovative patents have significantly impacted the industry. His work continues to influence the methods used in producing colored polyester materials, showcasing the importance of innovation in material science.