Location History:
- Eugene, OR (US) (1990 - 2000)
- Springfield, OR (US) (1997 - 2004)
Company Filing History:
9 out of 67 
7 out of 226 
2 out of 832,680 Years Active: 1990-2004
Title: The Innovations of William D. Detlefsen
Introduction
William D. Detlefsen is a notable inventor based in Eugene, Oregon, with a remarkable portfolio of 18 patents. His work primarily focuses on advancements in resin technology, particularly in the production of composite wood products. His innovative approaches have significantly contributed to the field of materials science.
Latest Patents
Among his latest patents, Detlefsen has developed colorless phenol-formaldehyde resins that cure colorless. This invention introduces compositions and processes that lead to clear, storage-stable, fast-curing, high molecular weight resins. These materials are capable of producing composite wood panels with superior water absorption and thickness swell test results when soaked in water. The invention consists of an aqueous copolymer of phenol, formaldehyde, and a phenolic carboxylate, such as salicylic acid. Methylol phenols are formed under alkaline conditions in the presence of metal chelating agents, which are then condensed into a polymer under various conditions. The finished aqueous polymer solution is acidified to the desired pH using benzoic acid or a phenol-carboxylic acid. Another significant patent involves mixed PMDI/resole resin binders for the production of wood composite products. This process includes applying a binder composition to wood particles and molding or compressing them to form a composite wood product. The suitable binder compositions comprise a polymethylene poly(phenyl isocyanate) and a solid resole resin.
Career Highlights
Detlefsen has had a distinguished career, working with prominent companies such as Borden Chemical, Inc. and Borden, Inc. His contributions to these organizations have been instrumental in advancing their product offerings and enhancing their technological capabilities.
Collaborations
Throughout his career, Detlefsen has collaborated with notable individuals, including Earl K. Phillips and David W. Shiau. These partnerships have fostered innovation and have led to the successful development of various projects.
Conclusion
William D. Detlefsen's contributions to the field of resin technology and composite wood products are significant. His innovative patents and collaborations have paved the way for advancements in materials science, showcasing his dedication to improving industry standards.
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.