Robert D. Buttke — 11 Patents at Amoco

Robert D. Buttke has been granted 11 US patents while listed as an inventor at Amoco. The first was granted in 1989 and the most recent in October 1996. Robert D. Buttke ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Robert D. Buttke in Lisle, IL, US.

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5569434	Hydrocarbon processing apparatus and method	Narasimhan Devanathan, Peter J. Klomans, William B. VanderHeyden	1996-10-29	$45,032,000
5443718	Reduced gas holdup in ebullated reactor	John R. Frey	1995-08-22	$31,451,000
5308476	Reduced gas holdup in an ebullated bed reactor	Lawrence B. Peck, Christos Nikolaides	1994-05-03	$62,698,000
5246567	Benzene removal in an isomerization process	Frank S. Modica, Bruce A. Fleming	1993-09-21	$29,643,000
5219532	Reduced gas holdup in catalytic reactor	John R. Frey	1993-06-15	$46,640,000
5186904	Laboratory simulator of reactor for a petroleum refinery	David Lyzinski, James L. Taylor, William M. Hall	1993-02-16	$28,009,000
5081039	Process for making catalyst inventory measurements and control procedure for adding or withdrawing catalyst	Norman K. McDaniel	1992-01-14	$8,352,000
4990241	Hydrotreating process to minimize catalyst slumping	Robert E. Boening, Frank W. Pickell	1991-02-05	$26,018,000
4950459	Vapor collection and process for ebullated bed reactors	John R. Frey	1990-08-21	$26,072,000
4808298	Process for reducing resid hydrotreating solids in a fractionator	Lawrence B. Peck, George L. Ott, Jeffry A. Cox	1989-02-28	$6,007,000
4804458	Process for collecting vapor in ebullated bed reactors	John R. Frey	1989-02-14	$9,134,000

Robert D. Buttke — 11 Patents

Issued Patents All Time

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