Location History:
- Park Forest, IL (US) (1976 - 1979)
- Naperville, IL (US) (1977 - 1994)
Company Filing History:
7 out of 1,055 
6 out of 1,192 
2 out of 1,528 Years Active: 1976-1994
Title: **Edward F. Steigelmann: Innovator in Aromatic Alkylation Processes**
Introduction
Edward F. Steigelmann is an esteemed inventor located in Naperville, IL, who has made significant contributions to the field of chemical engineering with a remarkable portfolio of 15 patents. His innovative work primarily focuses on aromatic alkylation processes, which play a crucial role in producing valuable chemical products.
Latest Patents
Among his latest patents, Edward's notable invention is the "Oxygen-free aromatic alkylation process." This process involves contacting an aromatic hydrocarbon with an alkylating agent using a silica-containing molecular sieve catalyst, all carried out under liquid phase alkylation conditions while completely eliminating oxygen. This method efficiently recovers an alkyl-substituted aromatic product from the reactor vessel.
Another significant patent he holds is for an "Aromatic alkylation process using large macropore, small particle size." This innovative process describes the steps of reacting a hydrocarbon feed comprising an aromatic hydrocarbon with an alkylating agent under similar liquid phase alkylation conditions. Here, the silica-containing molecular sieve catalyst possesses a specific pore volume and particle size, ensuring optimized processing.
Career Highlights
Edward F. Steigelmann's career includes impactful roles at renowned companies such as Standard Oil Company (Indiana) and The Standard Oil Company. His work in these organizations has significantly influenced the development of various chemical processes, cementing his reputation as a skilled inventor in the field.
Collaborations
Throughout his professional journey, Edward has collaborated with talented individuals, including Robert D. Hughes and Joseph Gabor. These partnerships have fostered innovative thinking and further advanced the technologies related to his patents.
Conclusion
Edward F. Steigelmann exemplifies the impact that dedicated inventors can have on industry through their innovative approaches and problem-solving abilities. His patents in the aromatic alkylation process not only underscore his expertise but also highlight the continual advancement necessary for the evolution of chemical engineering practices.