Location History:
- Ware, GB (1983 - 1985)
- Guisborough, GB (1989 - 2010)
- Cleveland, GB (2006 - 2013)
- Wilton, GB (2024)
Company Filing History:
6 out of 3,840 
4 out of 89 
2 out of 3 Years Active: 1983-2024
Title: The Innovations of William Alasdair MacDonald
Introduction
William Alasdair MacDonald is a notable inventor based in Cleveland, GB. He has made significant contributions to the field of polymer technology, holding a total of 12 patents. His work primarily focuses on the development of advanced polymeric films with enhanced properties.
Latest Patents
Among his latest patents is a polyester film comprising a polymeric phosphonate flame retardant. This innovative film contains a flame retardant in an amount ranging from about 1.0 to about 25.0 wt % by total weight of the film. It also includes at least one metal cation selected from Group I and Group II metal cations. Another significant patent is for a brittle polymeric film and tamper-evident labels made therefrom. This process involves the production of a polymeric film comprising a copolyester with specific components and a detailed method of melt-extruding and heat-setting the film to achieve desired mechanical properties.
Career Highlights
William has worked with prominent companies such as Imperial Chemical Industries Limited and DuPont Teijin Films U.S. Limited Partnership. His experience in these organizations has allowed him to refine his expertise in polymer science and film technology.
Collaborations
Throughout his career, William has collaborated with notable professionals, including Brian P. Griffin and Timothy G. Ryan. These collaborations have contributed to the advancement of his research and innovations in the field.
Conclusion
William Alasdair MacDonald is a distinguished inventor whose work in polymer technology has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to enhancing the properties of polymeric materials.