Inventor
BHATTACHARYA SUBHASIS
US5 patents
⚠️ This page may combine multiple inventors who share the name “BHATTACHARYA SUBHASIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON USA INC
3 patentsUS12577478B2Mar 17, 2026
Method for producing high quality base oils using two stage hydrofinishing
CHEVRON USA INC0 citations60
US12584072B2Mar 24, 2026
Process and system for base oil production
CHEVRON USA INC0 citations59
US9796936B2Oct 24, 2017
Production of heavy API group II base oil
CHEVRON USA INC1 citations50
BHATTACHARYA SUBHASIS
2 patentsUS9803147B2Oct 31, 2017
Method for making middle distillates and a heavy vacuum gas oil FCC feedstock
BHATTACHARYA SUBHASIS2 citations67
US9914887B2Mar 13, 2018
Two-stage hydrocracking process for making heavy lubricating base oil from a heavy coker gas oil blended feedstock
BHATTACHARYA SUBHASIS2 citations64