Company Filing History:
Years Active: 2004-2008
Title: Innovations of Donald Gordon Campbell, Jr.
Introduction
Donald Gordon Campbell, Jr. is a notable inventor based in Webster, TX (US). He has made significant contributions to the field of polymer chemistry, particularly in the development of supported metallocene catalysts. With a total of 3 patents, his work has advanced the production of stereospecific polymers, which are essential in various industrial applications.
Latest Patents
His latest patents focus on supported metallocene catalysts and their use in producing stereospecific polymers. These patents detail processes for the stereotactic propagation of polymer chains derived from ethylenically unsaturated monomers, specifically alpha olefins. One of the key innovations involves the polymerization of propylene to produce syndiotactic or isotactic polypropylene. The supported metallocene catalyst comprises a stereospecific metallocene catalyst and a co-catalyst component, which includes alkyl alumoxane and alkylaluminum compounds. Both components are supported on a particulate silica support, which has specific characteristics such as an average particle size of 5-40 microns and an effective pore size of 50-200 angstroms. This innovative approach ensures a retention factor of at least 90 wt. % after aging in tri-isobutylaluminum.
Career Highlights
Donald Campbell is currently associated with Fina Technology, Inc., where he continues to push the boundaries of polymer technology. His expertise in metallocene catalysts has positioned him as a key player in the field, contributing to advancements that have practical applications in various industries.
Collaborations
Throughout his career, Campbell has collaborated with notable colleagues, including Margarito Lopez and Edwar Shoukri Shamshoum. These partnerships have fostered an environment of innovation and have led to the successful development of new technologies in polymer chemistry.
Conclusion
Donald Gordon Campbell, Jr. is a distinguished inventor whose work in supported metallocene catalysts has significantly impacted the production of stereospecific polymers. His contributions continue to influence the field and pave the way for future innovations.
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