Bruce E. Leach — 13 Patents at Conoco

Bruce E. Leach has been granted 13 US patents while listed as an inventor at Conoco. The first was granted in 1980 and the most recent in May 1997. Bruce E. Leach ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Bruce E. Leach in Ponca City, OK, US.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5627121	Process for preparing alkoxylation catalysts and alkoxylation process	John Wei-Ping Lin, Upali P. Weerasooriya, Steve V. Orsak	1997-05-06
5386045	Process for alkoxylation of esters and products produced therefrom	Upali P. Weerasooriya, Donald Robertson, John Wei-Ping Lin, Cynthia L. Aeschbacher, Tonyette S. Sandoval	1995-01-31
5220046	Process for alkoxylation of esters and products produced therefrom	John Wei-Ping Lin, Cynthia L. Aeschbacher, Donald Robertson, Tonyette S. Sandoval, Upali P. Weerasooriya	1993-06-15
4835321	Alkoxylaton process using calcium based catalysts	Mark L. Shannon, Donald L. Wharry	1989-05-30	$5,280,000
4775653	Alkoxylation process using calcium based catalysts	Mark L. Shannon, Donald L. Wharry	1988-10-04	$8,715,000
4676928	Process for producing water dispersible alumina	Lewis B. Decker, Jr.	1987-06-30	$4,359,000
4322566	Magnesium oxide catalyst	—	1982-03-30
4290924	Catalyst composition useful for preparing 2,6-xylenol	—	1981-09-22	$30,737,000
4283574	Process for the synthesis of 2,6-xylenol and 2,3,6-trimethylphenol	—	1981-08-11	$23,963,000
4271138	Process for producing aluminum oxychloride solutions from low molecular weight aluminum alkoxides	Eugene F. Kennedy	1981-06-02	$36,563,000
4269735	Magnesium oxide catalyst	—	1981-05-26	$18,135,000
4258220	Purification of 2,6-xylenol streams	Charles M. Starks	1981-03-24	$11,551,000
4227024	Preparation of 2,6-xylenol and catalyst composition useful therefor	—	1980-10-07	$17,589,000

Bruce E. Leach — 13 Patents

Issued Patents All Time

Patent Widget