Location History:
- Wilmington, DE (US) (1977 - 1978)
- Medford, NJ (US) (1978)
Company Filing History:
Years Active: 1977-1978
Title: The Innovations of William N. Knopka
Introduction
William N. Knopka is a notable inventor based in Wilmington, DE (US). He has made significant contributions to the field of polymer science, particularly in the development of flame-retardant materials. With a total of 4 patents to his name, his work has had a lasting impact on the industry.
Latest Patents
Knopka's latest patents include innovative advancements in copolyester technology. One of his notable inventions is a copolyester of ethylene 2,6-naphthalene dicarboxylate and halogenated compounds. This flame-retardant filament-forming copolymer consists of at least 75 mol % of ethylene-2,6-naphthalene dicarboxylate units and 3 to 25 mol % of randomly copolymerized ester units that contain bromine or chlorine. This invention allows for the blending of fibers made from this copolyester resin with flame-retardant cellulosic fibers, resulting in yarns and fabrics that exhibit excellent physical properties. Another significant patent is a method for producing a high modulus polyester yarn. This method involves creating a yarn of filaments made from a polyester resin that contains 15 to 50 mole percent of bibenzoate units and 50 to 85 mole percent of terephthalate units, which are uniformly oriented and heat-set while free to relax.
Career Highlights
William N. Knopka is currently associated with Avtex Fibers Inc., where he continues to innovate and develop new materials. His work has been instrumental in advancing the capabilities of polyester fibers, particularly in applications requiring flame resistance.
Collaborations
Due to space constraints, the collaborations section has been omitted.
Conclusion
William N. Knopka's contributions to polymer science and his innovative patents have significantly advanced the field of flame-retardant materials. His work continues to influence the industry and improve safety standards in various applications.
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.