Location History:
- Glenwood, MN (US) (1988 - 1990)
- Saint Paul, MN (US) (1995)
- Lake Elmo, MN (US) (1995 - 1996)
- Mahtomedi, MN (US) (1996 - 2004)
Company Filing History:
7 out of 7,865 
2 out of 14,059 
Years Active: 1988-2004
Title: Innovative Contributions of John C. Tangen
Introduction
John C. Tangen, an accomplished inventor based in Mahtomedi, Minnesota, has made significant contributions to the field of adhesives with a total of 9 patents to his name. His innovative work reflects a deep understanding of material properties and adhesive chemistry, leading to advanced solutions for various applications.
Latest Patents
Among his latest inventions are two notable patents related to moisture-curing hot-melt adhesives. The first patent presents a moisture curable, hot melt composition that includes a semi-crystalline polyol, an amorphous polyol with secondary hydroxyl groups, a secondary aminosilane endcapper, an isocyanate, and minimal tin content. This invention offers a method for manufacturing the adhesive, highlighting its application potential.
The second patent elaborates further on moisture-curable, hot melt adhesive coatings and sealants. This innovation features a complex composition of isocyanate-terminated prepolymers that integrate various hydroxy-functional materials, enhancing functionality and application stability. The careful selection of components ensures a robust performance under varying conditions.
Career Highlights
John C. Tangen has an impressive professional background with valuable experience at renowned firms such as Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. His tenure at these organizations has allowed him to collaborate on pioneering projects and contribute to the advancement of adhesive technologies.
Collaborations
Throughout his career, John has collaborated with several notable professionals, including Charles W. Stobbie, IV, and Lani S. Kangas. These collaborative efforts have played a crucial role in the development and refinement of his adhesive products, showcasing the importance of teamwork in innovation.
Conclusion
John C. Tangen exemplifies the spirit of innovation in the adhesive industry. His 9 patents, particularly focused on moisture-curable hot-melt adhesives, demonstrate his commitment to enhancing adhesive technologies. Through collaboration and dedication, Tangen continues to influence the field, paving the way for future advancements.
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.