Darren Hall

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Brantford, CA

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Patents Grantslast 30 patents

Information Patent Grant
Methods of making ureas and guanidines including, terazosin, prazos...
- Patent number 6,080,860
- Issue date Jun 27, 2000
- Brantford Chemicalss Inc.
- Khashayar Karimian
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of making ureas and guanidines, including terazosin, prazos...
- Patent number 5,686,612
- Issue date Nov 11, 1997
- Brantford Chemicals Inc.
- Khashayar Karimian
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods of making ureas and guanidines, including, terazosin, prazo...
- Patent number 5,675,006
- Issue date Oct 7, 1997
- Brantford Chemicals Inc.
- Khashayar Karimian
- C07 - ORGANIC CHEMISTRY