John Melvin Townsend

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Belleville, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Chiral phosphines
- Patent number 4,343,741
- Issue date Aug 10, 1982
- Hoffmann-La Roche Inc.
- John M. Townsend
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for aromatic ethers
- Patent number 4,218,567
- Issue date Aug 19, 1980
- Hoffmann-La Roche Inc.
- Percy S. Manchand
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal phosphine complex
- Patent number 4,187,241
- Issue date Feb 5, 1980
- Hoffman-La Roche Inc.
- John M. Townsend
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal phosphine complex
- Patent number 4,120,870
- Issue date Oct 17, 1978
- Hoffmann-La Roche Inc.
- John Melvin Townsend
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of triaryl phosphines
- Patent number 4,008,282
- Issue date Feb 15, 1977
- Hoffmann-La Roche Inc.
- John Melvin Townsend
- C07 - ORGANIC CHEMISTRY