Company Filing History:
6 out of 20 
3 out of 6 
3 out of 456 Years Active: 1981-1993
Title: **The Innovations of Stephen Y Lin: A Pioneer in Wood Preservation**
Introduction
Stephen Y Lin, an inventive mind based in Wausau, WI, has made significant contributions to the field of wood preservation. With a total of 13 patents to his name, Lin's innovations focus on the treatment of wood using advanced chemical compositions for enhanced durability and protection. His work not only showcases his technical expertise but also addresses critical environmental concerns related to wood preservation.
Latest Patents
Lin's latest patents include groundbreaking methods for treating wood with metal-lignin salts. One notable method involves impregnating wood with a preservative composition that consists of an aqueous solution of ammonium salt of lignin and ammonia complexes of metal cations such as Cu(NH₃)₄²⁺, Zn(NH₃)₄²⁺, and Hg(NH₃)₂²⁺. The lignin used in this invention can be categorized into various types, including alkali, organosolv, and partially desulfonated sulfite lignin.
Additionally, Lin has created a wood preservative that comprises a lignosulfonate copolymer combined with metal salts. This innovative composition serves as a reaction product of lignosulfonate and acrylic monomers, designed to enhance wood protection while being environmentally conscious. The incorporation of metal salts such as copper, zinc, mercury, and lead underscores Lin's commitment to advancing wood preservation technologies.
Career Highlights
Throughout his career, Stephen Y Lin has collaborated with leading companies in the field, such as Reed Lignin, Inc. and Daishowa Chemicals Inc. His work has not only advanced the science of wood treatment but has also contributed to commercial applications that promote sustainable practices in the industry.
Collaborations
Lin has teamed up with notable colleagues including Lori L Bushar and Thomas S Winowiski, enhancing his research with diverse expertise and perspectives. These collaborations have played a vital role in the development and implementation of his patented methods.
Conclusion
Stephen Y Lin's innovative approach in the field of wood preservation demonstrates the power of research and collaboration in advancing technology. Through his 13 patents, he continues to pave the way for sustainable practices within the industry, illustrating the importance of environmental considerations in modern inventions. As he further develops his methods, Lin’s contributions will undoubtedly play a crucial role in the future of wood preservation.