Company Filing History:
9 out of 44 
2 out of 1,197 
1 out of 232 
Years Active: 1976-2000
Title: Innovations and Contributions of James C Chien
Introduction
James C Chien is a notable inventor based in Amherst, MA (US), recognized for his significant contributions to the field of polymer science. With a total of 18 patents to his name, Chien has made remarkable advancements in the development of novel polymer alloys and lubricants.
Latest Patents
One of his latest patents is titled "Semicrystalline polymer alloy and process for preparation." This invention focuses on polymer alloys and introduces a 'one-pot' polymerization process for creating these materials from a single monomer. The resulting product consists of two semi-crystalline homopolymers with distinct micro-structures, along with a well-defined block copolymer. This innovative alloy is 'naturally' compatible, eliminating the need for thermomechanical mixing or additional compatibilizing additives. Another significant patent is "Ethylene-alpha-olefin polymers, processes and uses." This patent describes a novel series of copolymers and terpolymers that serve as base oils for synthetic lubricants. These polymers are produced through the polymerization of ethylene and an alpha-olefin, utilizing a combination catalyst that includes a transition metal compound and an aluminoxane.
Career Highlights
Throughout his career, James C Chien has worked with various organizations, including the Academy of Applied Science. His work has significantly impacted the field of polymer chemistry, leading to advancements that benefit various industries.
Collaborations
Chien has collaborated with notable individuals such as Marvin D Rausch and Frederick George Schappell, contributing to the development of innovative technologies in polymer science.
Conclusion
James C Chien's contributions to polymer science through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in materials science and engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.