This inventor holds 3 USPTO granted patents. Top assignees: Union Carbide Chemicals & Plastics Technology Corporation, Sls Patent Corporation. Active years: 2001-2003.
Company Filing History:
2 out of 822 
1 out of 1 Years Active: 2001-2003
Title: David M Simpson: Innovator in Stretch Film Technology
Introduction
David M Simpson is a notable inventor based in Murfreesboro, TN (US). He has made significant contributions to the field of materials science, particularly in the development of innovative stretch films. With a total of 3 patents to his name, his work has had a considerable impact on packaging technology.
Latest Patents
One of his latest patents is for a product called Quiet Unwind Stretch Wrap Film. This novel multi-layer stretch film comprises at least three layers and boasts excellent mechanical properties and performance. It features at least one outer or skin layer that exhibits minimal cling or blocking characteristics in an unstretched state, yet demonstrates substantial blocking characteristics when stretched. Notably, this stretch wrap film produces little or no unwind noise when removed from a roll, enhancing user experience.
Another significant patent by Simpson is for Biodegradable Lactone Copolymers. This invention involves lactone copolymers that are polymerized from a first lactone monomer and a second amorphous monomer, which effectively suppresses the crystallization of the copolymer. The suppression of crystallization leads to enhanced mechanical properties in films made from these copolymers. Consequently, films produced from this invention are suitable for use as biodegradable trash bags and other applications.
Career Highlights
Throughout his career, David M Simpson has worked with prominent companies such as Union Carbide Chemicals & Plastics Technology Corporation and SLS Patent Corporation. His experience in these organizations has contributed to his expertise in the field of polymer technology and innovation.
Collaborations
Simpson has collaborated with notable colleagues, including Daniel Goldberg and Sandra A Kupperblatt. These partnerships have likely enriched his work and contributed to the development of his innovative patents.
Conclusion
David M Simpson is a distinguished inventor whose work in stretch film technology and biodegradable materials has made a lasting impact. His innovative patents reflect his commitment to advancing materials science and sustainability.