This inventor holds 4 USPTO granted patents. Top assignee: Uop Lcc. Active years: 1982-1994.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1982-1994
Title: Richard R DeGraff: Innovator in Alkylation Processes
Introduction
Richard R DeGraff is a notable inventor based in Deerfield, IL (US), recognized for his contributions to the field of chemical engineering. He holds a total of 4 patents, showcasing his innovative approach to alkylation processes involving aromatic hydrocarbons.
Latest Patents
DeGraff's latest patents include an "Alkylation process with reactor effluent heat recovery." This patent discloses a method for the alkylation of aromatic hydrocarbons such as cumene and ethylbenzene. A portion of the effluent stream from an alkylation reactor passes through an indirect heat exchanger to transfer heat to a flashed stream containing the product aromatic hydrocarbons. The heat exchanger recovers the exothermic heat of reaction from the effluent stream for use elsewhere in the process. This method of heat exchange is particularly beneficial in alkylation processes where the temperature of the effluent stream is relatively low, especially when using a zeolite catalyst.
Another significant patent is the "Aromatic hydrocarbon alkylation process product recovery method." This patent describes a fractionation method for recovering product alkylaromatic hydrocarbons produced by the alkylation of aromatic hydrocarbons. It employs three fractionation columns in series, where aromatic feed hydrocarbons are recycled from the overhead of the first column, which is reboiled by the overhead vapor of the second column. The product alkylaromatic is recovered from the condensate produced using the second column overhead as a heat source. Additionally, the product alkylaromatic is present in the bottoms of the second column, which flows into a low-pressure stripping column.
Career Highlights
Richard R DeGraff is associated with UOP LLC, a company known for its advancements in refining and petrochemical processes. His work has significantly impacted the efficiency and effectiveness of alkylation processes in the industry.
Collaborations
Throughout his career, DeGraff has collaborated with notable colleagues, including Kenneth David Peters and Peter J Van Opdorp. Their combined expertise has contributed to the development of innovative solutions in chemical engineering.
Conclusion
Richard R DeGraff stands out as a prominent inventor in the field of alkylation processes, with a focus on improving efficiency and product recovery. His patents reflect a commitment to
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile