LeRoy O. Krbechek

Person

Golden Valley, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Water insoluble composition of an aldoxime extractant and an equili...
- Patent number 6,231,784
- Issue date May 15, 2001
- Henkel Corporation
- Michael J. Virnig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carboxylic acid esters of 2-hydroxy-5-isoalkyl-beta-methylstyrene
- Patent number 6,077,970
- Issue date Jun 20, 2000
- Henkel Corporation
- Leroy Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reoximation of metal extraction circuit organics
- Patent number 5,993,757
- Issue date Nov 30, 1999
- Henkel Corporation
- Michael J. Virnig
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydro...
- Patent number 5,877,355
- Issue date Mar 2, 1999
- Henkel Corporation
- Leroy Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esterification of phenols
- Patent number 5,808,130
- Issue date Sep 15, 1998
- Henkel Corporation
- Leroy Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oximation process
- Patent number 5,488,161
- Issue date Jan 30, 1996
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of beta-diketone
- Patent number 5,457,236
- Issue date Oct 10, 1995
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oximation process
- Patent number 5,349,088
- Issue date Sep 20, 1994
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Esterification process
- Patent number 5,302,748
- Issue date Apr 12, 1994
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oximation process
- Patent number 5,300,689
- Issue date Apr 5, 1994
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxy aromatic ketones
- Patent number 5,081,155
- Issue date Jan 14, 1992
- Henkel Corporation
- Leroy Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of amino acids from aqueous mixtures
- Patent number 4,936,999
- Issue date Jun 26, 1990
- Henkel Corporation
- Phillip L. Mattison
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovery of an amino acid from aqueous mixtures thereof
- Patent number 4,886,889
- Issue date Dec 12, 1989
- Henkel Corporation
- Phillip L. Mattison
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of preparing hydroxyarylaldehydes
- Patent number 4,599,457
- Issue date Jul 8, 1986
- Henkel Corporation
- Phillip L. Mattison
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Steroid production
- Patent number 4,255,345
- Issue date Mar 10, 1981
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processing of steroids containing amino functionality
- Patent number 4,252,732
- Issue date Feb 24, 1981
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrolysis of steroidal carbamates
- Patent number 4,252,730
- Issue date Feb 24, 1981
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of steroidal carbamates
- Patent number 4,252,731
- Issue date Feb 24, 1981
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrogen transhalogenation process
- Patent number 4,251,450
- Issue date Feb 17, 1981
- Henkel Corporation
- Leroy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 22-steroid acetals
- Patent number 4,201,716
- Issue date May 6, 1980
- Henkel Corporation
- LeRoy O. Krbechek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Selective conversion of 20-methylpregna-3,5,20(21)-triene-3,21-diol...
- Patent number 4,171,317
- Issue date Oct 16, 1979
- Henkel Corporation
- LeRoy O. Krbechek
- C07 - ORGANIC CHEMISTRY

LeRoy O. Krbechek

Person

Patents Grantslast 30 patents

Water insoluble composition of an aldoxime extractant and an equili...

Carboxylic acid esters of 2-hydroxy-5-isoalkyl-beta-methylstyrene

Reoximation of metal extraction circuit organics

2-hydroxy-5-alkyl-beta-methylstyrene and process of preparing hydro...

Esterification of phenols

Oximation process

Process for the production of beta-diketone

Oximation process

Esterification process

Oximation process

Hydroxy aromatic ketones

Process for recovery of amino acids from aqueous mixtures

Process for recovery of an amino acid from aqueous mixtures thereof

Process of preparing hydroxyarylaldehydes

Steroid production

Processing of steroids containing amino functionality

Hydrolysis of steroidal carbamates

Preparation of steroidal carbamates

Nitrogen transhalogenation process

Preparation of 22-steroid acetals

Selective conversion of 20-methylpregna-3,5,20(21)-triene-3,21-diol...