Company Filing History:
3 out of 102 
1 out of 55 Years Active: 1981-1988
Title: Discovering the Innovations of Inventor Donald F Rugen
Introduction: Donald F Rugen, a talented inventor based in Wilmington, DE (US), has made significant contributions to the field of innovations with a total of 4 patents to his name. His inventive spirit and dedication to finding novel solutions have led to breakthroughs in various industries.
Latest Patents:
1. Oil recovery agent: Donald F Rugen's patent involves a process and composition for the enhanced recovery of oil from subterranean formations by injecting a combination of an anionic surfactant and a hydrotrope along with steam.
2. Plasticized vinyl resins: He has also patented a process for plasticizing vinyl resins, particularly polyvinylchloride (PVC), using a linear alkyl substituted biphenyl with a specific carbon atom range in the alkyl group. This invention also includes PVC containing the plasticizer.
Career Highlights: Rugen has gained experience and expertise through his work at renowned companies such as Sun Oil Company of Pennsylvania and Sun Refining and Marketing Company. His professional journey has been marked by a commitment to innovation and a drive to push the boundaries of traditional practices in the industry.
Collaborations: During his tenure in the field, Donald F Rugen has collaborated with esteemed individuals such as Howard P Angstadt and John L Cayias. These partnerships have been instrumental in fostering a culture of creativity and knowledge-sharing, leading to the development of groundbreaking inventions.
Conclusion: Donald F Rugen's inventive mind and dedication to research have revolutionized various sectors, particularly in the field of oil recovery and plastic manufacturing. His patents stand as a testament to his ingenuity and commitment to advancing technological advancements. Rugen's collaborations and career achievements have helped shape the landscape of innovations, leaving a lasting impact on the industry.