Vapor Contact

# Status Description
2003233415 Ceased Improved residuum conversion process
2001257201 Lapsed Process for upgrading residua
2003230977 Lapsed Food preservation container and filter
1995040583 Lapsed Liquid-vapor contact column
1996058360 Lapsed Liquid-vapor contact column
1995034034 Ceased FCC catalyst stripper
1995034310 Lapsed Liquid vapor contact device
1997048879 Ceased Method for distilling a mixtures of substances and a device for carrying same into effect
1999060268 Ceased Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
2001022213 Ceased Method for preparing laminate for packaging material and laminate for packaging material
1995030218 Ceased Contact tray apparatus and method
1994061959 Ceased Fusel oil stripping
1997024379 Ceased High capacity vapor-liquid contact tray
1991076013 Ceased Inverted fractionation apparatus and use on a heavy oil catalytic cracking
2009258199 Ceased Closure assembly with low vapor transmission for electrochemical cell
1990064874 Ceased Process and structure for effecting catalytic reactions in distillation structure
1998093039 Lapsed Downcomers for vapor-liquid contact trays
2005200563 Granted Optical member, process of producing optical member, and process of producing thin film
2002237540 Ceased Method and device for manufacturing advanced water containing ultra-fine gold particles