Location History:
- Saint Paul, MN (US) (1989 - 1990)
- Maplewood, MN (US) (1977 - 2012)
Company Filing History:
16 out of 7,865 
8 out of 231 
Years Active: 1977-2012
Title: Ronald F. Ofstead: A Pioneer in Biocompatible Innovations
Introduction
Ronald F. Ofstead, based in Maplewood, MN, is an accomplished inventor with an impressive portfolio of 24 patents. His work primarily focuses on biocompatible materials and their applications in medical and biological fields. With his innovative outlook, Ofstead has made significant contributions to the science of polymerization and cell encapsulation.
Latest Patents
Ofstead’s recent patents include:
1. **Composition Containing Biocompatible Polymerization Accelerator and Polymerizable Material**: This invention provides a method and materials for forming a polymeric matrix with enhanced biocompatibility. The polymerization accelerator features an N-vinyl group along with a biocompatible functional group, making it especially valuable for polymerizing macromers that create biocompatible polymeric coatings on biological entities like cells and tissues.
2. **Encapsulated Cells Using Positively-Charged Initiator Polymer**: In this patent, Ofstead introduces positively-charged initiator polymers that incorporate a polymerization initiator group and a cationic portion. These initiator polymers can be paired with a polymerizable material to form a polymeric matrix on surfaces, proving critical for cell encapsulation with macromers.
Career Highlights
Throughout his career, Ronald F. Ofstead has been affiliated with several notable companies, including Minnesota Mining and Manufacturing Company, better known as 3M, and Surmodics, Inc. His tenure at these companies has been marked by innovative research and development in the field of biocompatible materials.
Collaborations
Ofstead has collaborated with several eminent researchers, including Dale G. Swan and Melvin J. Swanson. These partnerships have likely enhanced his innovative endeavors, leading to a richer exchange of ideas and the advancement of biocompatible technologies.
Conclusion
As a significant contributor to the realm of biocompatible innovations, Ronald F. Ofstead's work stands out for its practical applications and scientific rigor. His inventions not only advance the field of polymer science but also hold promise for improving a range of medical technologies. With a career rich in collaboration and innovation, Ofstead continues to be a vital figure in the evolution of biocompatible materials.
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.