Leupold; Ernst I.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Leupold; Ernst I..The latest application filed is for "process for separating catalysts from suspensions by filtration".

Company Profile

0.13.0

Leupold; Ernst I. - Neu-Anspach DE
Leupold; Ernst I. - Westerfeld DE

*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
Process for separating catalysts from suspensions by filtration Grant 5,230,804 - Leupold , et al. July 27, 1	1993-07-27
Process for the oxidation of 5-hydroxymethylfurfural Grant 4,977,283 - Leupold , et al. December 11, 1	1990-12-11
Process for preparing carboxylic acids Grant 4,976,893 - Leupold December 11, 1	1990-12-11
Process for the preparation of glyoxylic hemiacetal esters Grant 4,692,547 - Driscoll , et al. September 8, 1	1987-09-08
Process for the isomerization of halogenated thiophenes Grant 4,604,470 - Eichler , et al. August 5, 1	1986-08-05
Process for isomerizing monochlorophenols or dichlorophenols Grant 4,568,777 - Baltes , et al. February 4, 1	1986-02-04
Process for the production of a crystalline aluminosilicate zeolite Grant 4,522,800 - Baltes , et al. June 11, 1	1985-06-11
Process for the synthesis of lower olefins from methanol and/or dimethyl ether Grant 4,481,376 - Wunder , et al. November 6, 1	1984-11-06
Process for the preparation of an ethyl ester Grant 4,481,146 - Leupold , et al. November 6, 1	1984-11-06
Process for the manufacture of lower olefins from methanol/water mixtures Grant 4,296,266 - Wunder , et al. October 20, 1	1981-10-20
Process for the manufacture of lower alkenes from methanol and/or dimethyl ether Grant 4,247,731 - Wunder , et al. January 27, 1	1981-01-27
Process for the manufacture of oxygen-containing carbon compounds from synthesis gas Grant 4,224,236 - Wunder , et al. September 23, 1	1980-09-23
Process for the manufacture of glycolic acid or its esters Grant 4,128,575 - Leupold , et al. December 5, 1	1978-12-05

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