Company Filing History:
Years Active: 1996-1999
Title: The Innovations of Tak-lung Chang
Introduction
Tak-lung Chang is a notable inventor based in Skillman, NJ (US). He has made significant contributions to the field of polyurethane-based adhesives, holding a total of 4 patents. His work has had a considerable impact on various applications, particularly in medical devices.
Latest Patents
Chang's latest patents include a method for forming a polyurethane-based adhesive composition. This method involves heating a reaction mixture of at least one NCO-terminated prepolymer and a polyhydroxy compound. The process is designed to achieve a gel content of approximately 30 to 42% by weight and a molecular weight of extractables of at least about 45,000. Additionally, he has developed water-soluble polymer additives for polyurethane-based pressure-sensitive adhesives (PSAs). These novel PSAs exhibit enhanced water uptake while retaining transparency and peel strength characteristics.
Career Highlights
Throughout his career, Tak-lung Chang has worked with prominent companies such as Bristol-Myers Squibb Company and E.R. Squibb & Sons, Inc. His experience in these organizations has allowed him to refine his expertise in adhesive technologies and contribute to innovative solutions in the industry.
Collaborations
Chang has collaborated with notable professionals in his field, including Agis F. Kydonieus and Kishore R. Shah. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
Tak-lung Chang's contributions to the field of polyurethane-based adhesives demonstrate his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence in his work.