Inventor

VAN ERP WILLIBRORD A

NL5 patents

⚠️ This page may combine multiple inventors who share the name “VAN ERP WILLIBRORD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHELL OIL CO

4 patents

US4637993AJan 20, 1987

Process for preparation of catalyst

SHELL OIL CO22 citations80

US5037856AAug 6, 1991

Process for the preparation of hydrocarbons from CO and H2

SHELL OIL CO8 citations72

US4613488ASep 23, 1986

Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound

SHELL OIL CO6 citations71

US4383981AMay 17, 1983

Process for the separation of crystalline silicates

SHELL OIL CO3 citations59

ERP WILLIBRORD A VAN

1 patent

US4663140AMay 5, 1987

Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound

ERP WILLIBRORD A VAN6 citations67