BR5800750U
(en )
1978-11-21
OIL SEPARATOR FOR AIR
MX149300A
(en )
1983-10-13
IMPROVED PROCEDURE FOR THE REGENERATION OF EXHAUSTED OIL
BR7902448A
(en )
1979-10-23
PROCESS FOR THE RECOVERY OF USED LUBRICATING OILS
MX162009A
(en )
1991-03-20
PROCEDURE FOR HYDROCRACHING A HEAVY OIL OIL
ES499868A0
(en )
1982-09-01
A PROCEDURE TO RECOVER BETAINA DE MELAZAS
NO152962C
(en )
1985-12-27
OIL / WATER SEPARATOR.
ES493889A0
(en )
1981-08-01
A METHOD OF IMPROVEMENTS A HYDROCARBON OIL.
ES530393A0
(en )
1985-05-01
A METHOD FOR PREPARING DERIVATIVES OF 4-HYDROXY-2-QUINOLONAS.
BR8008635A
(en )
1981-07-28
METHOD FOR EXTRACTION OF SHALE OIL
ES480188A0
(en )
1981-10-01
A METHOD FOR ROUTE SEPARATION.
BR7903009A
(en )
1980-10-07
OIL RECOVERY PROCESS
ES521361A0
(en )
1984-12-16
A METHOD FOR PREPARING A 14-ACYCLE DERIVATIVE OF LANKACIDINA.
BR7901711A
(en )
1979-10-16
USED LUBRICANT OIL RECOVERY PROCESS
ES507975A0
(en )
1983-06-16
A METHOD FOR PREPARING DERIVATIVES OF PIRAZOLINE.
MX153928A
(en )
1987-02-24
IMPROVED PROCESS FOR THE RECOVERY OF OIL IN AN UNDERGROUND MANTLE
ES505956A0
(en )
1983-01-01
METHOD FOR OBTAINING STRIPS FOR ZIPPERS.
ES523288A0
(en )
1984-10-01
PROCEDURE TO PREPARE A DERIVATIVE OF PIRAZOLPIRIDINA.
SE8001141L
(en )
1980-08-24
OIL SEPARATOR
ES498587A0
(en )
1981-11-16
PROCEDURE FOR OBTAINING ANIO-NES EXCHANGERS
ES494019A0
(en )
1981-08-01
A METHOD FOR THE PREPARATION OF NEW PIRIMIDINOLES
ES501261A0
(en )
1982-04-01
PROCEDURE FOR OBTAINING MALEINATE OILS
ES498573A0
(en )
1981-11-16
PROCEDURE FOR OBTAINING NEW TIOLS
MX150350A
(en )
1984-04-23
IMPROVED MINING THERMAL METHOD FOR OIL PRODUCTION
AR217838Q
(en )
1980-04-30
METHOD FOR SECONDARY OIL RECOVERY
ES500478A0
(en )
1982-09-16
A PROCEDURE FOR OBTAINING BICYCLOOCTAN DERIVATIVES