Inventor · disambiguated record
Darren Hall
Also filed as: HALL DARREN · HALL DARREN K
4 granted patents·2 pending applications·26 citations·filing 1995–2010
75Inventor score
Top patents by PatentIndex Score
6 records- 0163US6080860AMethods of making ureas and guanidines including, terazosin, prazosin, doxazosin, tiodazosin, trimazosin, quinazosin and bunazosin (exemplary of 2-substituted quinazoline compounds), and meobentine, and bethanidine and intermediates thereforBRANTFORD CHEMICALSS INC·Filed 1997·Granted Jun 27, 2000·10 cites·12 claims
- 0257US6690272B2Front safety light for alerting braking conditions of a vehicleFiled 2002·Granted Feb 10, 2004·9 cites·17 claims
- 0354US2010119796A1Anticorrosive Nanocomposite Coating Material, and a Preparation Process ThereofBRIGHTEN ENGINEERING CO LTD·Filed 2008·Application pending·0 cites
- 0453US5675006AMethods of making ureas and guanidines, including, terazosin, prazosin, doxazosin, tiodazosin, trimazosin, quinazosin, and bunazosin (exemplary of 2- substituted quinazoline compounds), and meobentine, and bethanidine and intermediates thereforBRANTFORD CHEM INC·Filed 1995·Granted Oct 7, 1997·4 cites·20 claims
- 0547US5686612AMethods of making ureas and guanidines, including terazosin, prazosin, doxazosin, tiodazosin, trimazosin, quinazosin, and bunazosin (exemplary of 2-substituted quinazoline compounds), and meobentine, and bethanidine and intermediates thereofBRANTFORD CHEM INC·Filed 1995·Granted Nov 11, 1997·3 cites·13 claims
- 0646US2010305235A1Anticorrosive Nanocomposite Coating Material, and a Preparation Process ThereofBRIGHTEN ENGINEERING CO LTD·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →