David A. Johnston

Person

Louisville, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Synthesis using peptide intermediate fragments
- Patent number 7,544,665
- Issue date Jun 9, 2009
- Roche Colorado Corporation
- Hiralal N. Khatri
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Derivatives of unsaturated, cyclic organic acids
- Patent number 7,473,798
- Issue date Jan 6, 2009
- Roćhe Palo Alto LLC
- Richard A. Gabel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and systems for peptide synthesis
- Patent number 7,439,222
- Issue date Oct 21, 2008
- Roćhe Palo Alto LLC
- Martin R. Guinn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of pyridine derivatives of NK-1 receptor an...
- Patent number 7,384,939
- Issue date Jun 10, 2008
- Roche Colorado Corporation
- Peter J. Harrington
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of pyridine derivatives
- Patent number 7,288,658
- Issue date Oct 30, 2007
- Hoffmann-La Roche Inc.
- Wolfgang Goehring
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Patent number 6,858,749
- Issue date Feb 22, 2005
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Patent number 6,818,789
- Issue date Nov 16, 2004
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of S-aryl-cysteine and its derivatives
- Patent number 6,765,109
- Issue date Jul 20, 2004
- Roche Colorado Corporation
- Jack D. Brown
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Patent number 6,743,927
- Issue date Jun 1, 2004
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Patent number 6,545,165
- Issue date Apr 8, 2003
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of S-aryl-cysteine and its derivatives
- Patent number 6,229,041
- Issue date May 8, 2001
- F. Hoffmann-La Roche AG
- Jack D. Brown
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Synthesis using peptide intermediate fragments
- Publication number 20070213504
- Publication date Sep 13, 2007
- ROCHE COLORADO CORPORATION
- Hiralal N. Khatri
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Derivatives of unsaturated, cyclic organic acids
- Publication number 20070197807
- Publication date Aug 23, 2007
- Richard A. Gabel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis using peptide intermediate fragments
- Publication number 20060276624
- Publication date Dec 7, 2006
- ROCHE COLORADO CORPORATION
- Hiralal N. Khatri
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis using peptide intermediate fragments
- Publication number 20060173163
- Publication date Aug 3, 2006
- ROCHE COLORADO CORPORATION
- Hiralal N. Khatri
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Process for preparation of pyridine derivatives of NK-1 receptor an...
- Publication number 20060014959
- Publication date Jan 19, 2006
- Roche Colorado Corporation
- Peter J. Harrington
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process and systems for peptide synthesis
- Publication number 20050165217
- Publication date Jul 28, 2005
- Martin R. Guinn
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparation of pyridine derivatives
- Publication number 20050014792
- Publication date Jan 20, 2005
- Wolfgang Goehring
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Publication number 20030171602
- Publication date Sep 11, 2003
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Publication number 20030158423
- Publication date Aug 21, 2003
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one
- Publication number 20030158422
- Publication date Aug 21, 2003
- Roche Colorado Corporation
- Michael P. Fleming
- C07 - ORGANIC CHEMISTRY

David A. Johnston

Person

Patents Grantslast 30 patents

Synthesis using peptide intermediate fragments

Derivatives of unsaturated, cyclic organic acids

Process and systems for peptide synthesis

Process for preparation of pyridine derivatives of NK-1 receptor an...

Process for preparation of pyridine derivatives

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Preparation of S-aryl-cysteine and its derivatives

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Preparation of S-aryl-cysteine and its derivatives

Patents Applicationslast 30 patents

Synthesis using peptide intermediate fragments

Derivatives of unsaturated, cyclic organic acids

Synthesis using peptide intermediate fragments

Synthesis using peptide intermediate fragments

Process for preparation of pyridine derivatives of NK-1 receptor an...

Process and systems for peptide synthesis

Process for preparation of pyridine derivatives

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one

Synthesis of 3,6-dialkyl-5,6-dihydro-4-hydroxy-pyran-2-one