Location History:
- ME, MA (US) (1976)
- Glen Cove, ME (US) (1976 - 2008)
Company Filing History:
8 out of 2,509 
2 out of 3 
2 out of 20 Years Active: 1976-2008
Title: The Innovative Contributions of Donald Walter Renn
Introduction
Donald Walter Renn is a notable inventor based in Glen Cove, Maine, who has made significant contributions to the field of hydrocolloids and foam materials. With a total of 15 patents to his name, Renn's work has advanced the understanding and application of these materials in various industries.
Latest Patents
One of Renn's latest patents is titled "Clarified Hydrocolloids of Undiminished Properties and Method of Producing Same." This invention focuses on novel clarified hydrocolloids that retain the physical properties of unclarified hydrocolloids. The process involves soaking a hydrocolloid-containing material in water, stirring it to achieve a homogeneous sol, and then removing insoluble particulates to produce a clarified sol. The final step includes recovering the clarified hydrocolloid from the filtrate. Another significant patent is related to "Foam Materials," which describes an absorbent foam material comprising a solid, cross-linked form of an anionic polymer, such as alginate, combined with fibers or other cation-contributing polymeric particulates.
Career Highlights
Throughout his career, Donald Walter Renn has worked with prominent companies, including FMC Corporation and Marine Colloids, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, leading to the successful patenting of his inventions.
Collaborations
Renn has collaborated with several professionals in his field, including Lisa E. Dumont and Richard B. Provonchee. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Donald Walter Renn's contributions to the field of hydrocolloids and foam materials demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving material properties and processes, making a lasting impact in his industry.