Baldwin; Roger A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Baldwin; Roger A..The latest application filed is for "durable pigmentary titanium dioxide and methods of producing the same".

Company Profile

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Baldwin; Roger A. - Warr Acres OK
Baldwin; Roger A. - Oklahoma City OK

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Durable pigmentary titanium dioxide and methods of producing the same Grant 5,730,796 - Brand , et al. March 24, 1	1998-03-24
Improved process for beneficating iron-containing titaniferous ores Grant 4,762,552 - Baldwin , et al. August 9, 1	1988-08-09
Process for the removal of sulfate and metals from aqueous solutions Grant 4,519,912 - Kauffman , et al. May 28, 1	1985-05-28
Process for the removal and recovery of selenium from aqueous solutions Grant 4,519,913 - Baldwin , et al. May 28, 1	1985-05-28
Process for the removal of selenium from aqueous systems Grant 4,405,464 - Baldwin , et al. September 20, 1	1983-09-20
System for producing a powdery composition comprising coal products in a coal deashing process Grant 4,244,812 - Baldwin , et al. January 13, 1	1981-01-13
Process for the hydroconversion of coal Grant 4,189,372 - Baldwin , et al. February 19, 1	1980-02-19
Method of improving yield in a coal liquefaction product deashing process Grant 4,164,466 - Baldwin , et al. August 14, 1	1979-08-14
Process for the discharge of ash concentrate from a coal deashing system Grant 4,162,958 - Baldwin July 31, 1	1979-07-31
Coal deashing process having improved solvent recovery techniques Grant 4,119,524 - Leonard , et al. October 10, 1	1978-10-10

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