RC

Ricardo J. Callejas

PP Phillips Petroleum: 4 patents #360 of 1,401Top 30%
📍 Maracaibo, TX: #1 of 1 inventorsTop 100%
Overall (All Time): #1,293,345 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5463159 Thermal cracking process Gil J. Greenwood 1995-10-31
4545895 Fractional distillation Michael Brand 1985-10-08
4251674 Method and apparatus for improving the selectivity of a process for hydrogenating acetylene to ethylene John R. Mitchell 1981-02-17
4249907 Temperature control of exothermic reactions 1981-02-10