Michael J. Spangler — 26 Patents at Amoco

Michael J. Spangler has been granted 26 US patents while listed as an inventor at Amoco. The first was granted in 1981 and the most recent in August 2002. Michael J. Spangler ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Michael J. Spangler in South Holland, IL, US.

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6437195	Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by dehydrogenation of methanol	Gary P. Hagen	2002-08-20
6392102	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of formaldehyde formed by oxidation of dimethyl ether	Gary P. Hagen	2002-05-21
6350919	Preparation of polyoxymethylene dialkane ethers, by catalytic conversion of formaldehyde formed by dehydrogenation of methanol or dimethyl ether	Gary P. Hagen	2002-02-26
6292076	Circuit interrupter with improved DIN rail mounting adaptor	Dean B. DeGrazia, Erik R. Bogdon, Gary R. Funk, Roger W. Helms, David Turner	2001-09-18	$6,055,000
6265528	Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by oxy-dehydrogenation of dimethyl ether	Gary P. Hagen	2001-07-24
6166266	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxidation of methanol	Gary P. Hagen	2000-12-26	$320,644,000
6160174	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of methanol	Gary P. Hagen	2000-12-12	$227,447,000
6160186	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether	Gary P. Hagen	2000-12-12	$227,447,000
6037298	Continuous catalytic process for preparation of organic carbonates	Gary P. Hagen	2000-03-14	$529,696,000
5959156	Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of dimethyl ether	Gary P. Hagen	1999-09-28	$204,850,000
5750759	Continuous catalytic process for preparation of organic carbonates	Gary P. Hagen	1998-05-12	$39,251,000
5599510	Catalytic wall reactors and use of catalytic wall reactors for methane coupling and hydrocarbon cracking reactions	Mark P. Kaminsky, George A. Huff, Jr., Narasimhan Calamur	1997-02-04	$31,917,000
5478370	Method for producing synthesis gas	—	1995-12-26	$125,911,000
5130286	Catalyst for lower alkane conversion	Glenn O. Michaels	1992-07-14	$37,947,000
5087779	Hydrocarbon halogenation	Philip O. Nubel, Larry C. Satek, Glenn O. Michaels	1992-02-11	$18,572,000
5087786	Halogen-assisted conversion of lower alkanes	Philip O. Nubel, Larry C. Satek, Charles A. Lutman, Glenn O. Michaels	1992-02-11	$18,572,000
5081324	Lower alkane conversion	Glenn O. Michaels	1992-01-14	$8,352,000
5053578	Lower alkane conversion	Glenn O. Michaels	1991-10-01	$36,403,000
5028577	Lower alkane conversion catalysts	Glenn O. Michaels	1991-07-02	$16,618,000
4992409	Catalyst and method of preparing the catalyst for lower alkane conversion	Glenn O. Michaels	1991-02-12	$30,350,000
4968655	Catalysts for conversion of a lower alkane	James L. Jezl, Glenn O. Michaels, Mark L. Winzenburg	1990-11-06	$35,372,000
4814539	Conversion of a lower alkane	James L. Jezl, Glenn O. Michaels, Mark L. Winzenburg	1989-03-21	$6,612,000
4754091	Conversion of a lower alkane	James L. Jezl, Glenn O. Michaels	1988-06-28	$7,803,000
4754093	Conversion of a lower alkane	James L. Jezl, Glenn O. Michaels	1988-06-28	$7,803,000
4751336	Conversion of a lower alkane	James L. Jezl, Glenn O. Michaels	1988-06-14	$18,381,000

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Michael J. Spangler — 26 Patents

Issued Patents All Time

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