Location History:
- Tokyo, JP (1986 - 1988)
- Bartlesville, OK (US) (1976 - 1989)
Company Filing History:
24 out of 5,071 
1 out of 832,718 Years Active: 1976-1989
Title: Fred T. Sherk: A Pioneer in Arylene Sulfide Polymer Innovations
Introduction
Fred T. Sherk is an accomplished inventor based in Bartlesville, Oklahoma, recognized for his contributions to the field of polymer chemistry, specifically in the area of arylene sulfide polymers. With a remarkable portfolio of 25 patents, Sherk has played a pivotal role in advancing innovations that enhance the properties and applications of these materials in various industries.
Latest Patents
Among Sherk's latest innovations is a patent focused on the **washing of arylene sulfide polymers with water plus a reducing agent**. This process effectively removes solid and liquid impurities from a particulate arylene sulfide polymer recovered from a polymerization reaction mixture slurry, all while maintaining the polymer's integrity and minimizing discoloration. The method consists of multiple critical steps, including preparing a slurry with a mixture of water and a reducing agent, heating it to a temperature of at least 185 degrees Celsius, cooling it down, and ultimately recovering the washed polymer.
Another significant contribution is in the area of the **solid-state curing of poly(arylene sulfide) resins in reduced oxygen**. This innovation allows virgin poly(arylene sulfide) resins to be oxidatively cured through heat treatment at elevated temperatures while maintaining a controlled oxidizing atmosphere with less than 20 volume percent oxygen. The resulting polymer showcases drastically improved thermal stability without compromising its physical properties.
Career Highlights
Fred T. Sherk’s professional journey has seen him making noteworthy strides at companies like Phillips Petroleum Company. His deep understanding of polymer science has paved the way for innovations that have substantial implications in the fields of manufacturing and materials engineering.
Collaborations
Throughout his career, Sherk has collaborated with other notable professionals, including Afif M. Nesheiwat and Guy Senatore. These partnerships have enabled the pooling of expertise and resources, ultimately leading to successful advancements in polymer technology.
Conclusion
Fred T. Sherk stands out in the realm of inventors for his innovative spirit and dedication to improving polymer materials. His numerous patents and the collaborations he has forged reflect a commitment to advancing scientific understanding and industrial application. Sherk's work continues to influence the development of more efficient and stable arylene sulfide polymers, solidifying his legacy as a pioneer in the field.
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.