Douglas J. Dudgeon

Person

Bainbridge Island, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Methods of extracting catalyst from a reaction mixture in the oxida...
- Patent number 6,433,220
- Issue date Aug 13, 2002
- RPC Inc.
- Douglas J. Dudgeon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of separating catalyst in solution from a reaction mixture...
- Patent number 6,433,221
- Issue date Aug 13, 2002
- RPC Inc.
- Ader M. Rostami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods and replacing water and cyclohexanone with acetic acid in a...
- Patent number 6,417,128
- Issue date Jul 9, 2002
- RPC, Inc.
- David C. DeCoster
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for treating cobalt catalyst in oxidation mixtures resultin...
- Patent number 6,326,455
- Issue date Dec 4, 2001
- RPC Inc.
- Eustathios Vassiliou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for treating cobalt catalyst in oxidation mixtures resultin...
- Patent number 6,232,495
- Issue date May 15, 2001
- RPC Inc.
- Eustathios Vassiliou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of recovering catalyst in solution in the oxidation of cycl...
- Patent number 6,218,573
- Issue date Apr 17, 2001
- RPC Inc.
- Eustathios Vassiliou
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of separating catalyst from oxidation mixtures
- Patent number 6,129,875
- Issue date Oct 10, 2000
- RPC Inc.
- Mark W. Dassel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for separating catalyst from oxidation mixtures containing...
- Patent number 5,908,589
- Issue date Jun 1, 1999
- Twenty-First Century Research Corporation
- David C. DeCoster
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Methods for treating cobalt catalyst in oxidation mixtures resultin...
- Publication number 20010023285
- Publication date Sep 20, 2001
- Eustathios Vassiliou
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS AND DEVICES FOR SEPARATING CATALYST FROM OXIDATION MIXTURES...
- Publication number 20010001649
- Publication date May 24, 2001
- DAVID C. DECOSTER
- C07 - ORGANIC CHEMISTRY

Douglas J. Dudgeon

Person

Patents Grantslast 30 patents

Methods of extracting catalyst from a reaction mixture in the oxida...

Methods of separating catalyst in solution from a reaction mixture...

Methods and replacing water and cyclohexanone with acetic acid in a...

Methods for treating cobalt catalyst in oxidation mixtures resultin...

Methods for treating cobalt catalyst in oxidation mixtures resultin...

Methods of recovering catalyst in solution in the oxidation of cycl...

Process of separating catalyst from oxidation mixtures

Methods for separating catalyst from oxidation mixtures containing...

Patents Applicationslast 30 patents

Methods for treating cobalt catalyst in oxidation mixtures resultin...

METHODS AND DEVICES FOR SEPARATING CATALYST FROM OXIDATION MIXTURES...