NATIONAL LEAD COMPANY

23A

PIGMENT FOR FLAME-RETARDANT COATINGS;23 A;

A-168-LO

COMMINUTED TITANIUM DIOXIDE;A 168 LO;

A-CG

COMMINUTED TITANIUM DIOXIDE;A CG;

A-LO

COMMINUTED TITANIUM DIOXIDE;A LO;

A-MO

COMMINUTED TITANIUM DIOXIDE;A MO;

A-MP

COMMINUTED TITANIUM DIOXIDE PIGMENT;A MP;

A-WD

COMMINUTED TITANIUM DIOXIDE;A WD;

AA

COMMINUTED TITANIUM DIOXIDE PIGMENT;

AKTAFLO

NON-IONIC SURFACTANTS FOR USE IN DRILLING FLUIDS;AKTAFLOW;

ANHYDROX

COMPOSITION CONTAINING A SOLUBLE SALT FOR PREVENTING ANHYDRITE OR GYPSUM CONTAMINATION OF WELL DRILLING FLUIDS;

BAROID

CHEMICALS AND CHEMICAL COMPOSITIONS FOR USE IN WELL-DRILLING FLUIDS AND DRILLING OPERATIONS;

BAROSIL

COMMINUTED BARIUM SILICATE, THE PARTICLES OF WHICH ARE COATED WITH BARIUM STEARATE;OCT. 5, 1959, ON BAROSIL IN A DIFFERENT FORM.;OCT. 5, 1959, ON BAROSIL IN A DIFFERENT FORM.;

BEN-A-GEL

BENEFICIATED BENTONITE CLAY FOR USE AS THICKENING, GELLING, AND EMULSIFYING AGENT FOR WATER SYSTEMS;

BENAQUA

MODIFIED CLAYS USEFUL AS GELLANTS;

C-50

COMMINUTED TITANIUM DIOXIDE;C 50;

CC-16

DISPERSANTS FOR CONTROL OF FILTRATION AND VISCOSITY OF SUSPENSIONS;CC 16;

CELLEX

DRILLING MUD ADDITIVES COMPRISING SODIUM CARBOXYMETHYLCELLULOSE;

CQ

VISCOSITY CONTROL AGENT FOR WELL DRILLING FLUIDS;

DEXTRID

STABILIZED POLYSACCHARIDE FOR USE IN WELL DRILLING FLUIDS;

DURATONE

OIL DISPERSIBLE COLLOID FOR USE IN DRILLING MUDS;

EN-EL-CO

N-L CO;METAL CONTAINERS-NAMELY, STEEL PACKAGES, KEGS AND PAILS SOLD EMPTY IN THE TRADE;

FIBERTEX

CELLULOSE FIBER MIXTURES FOR USE IN WELL DRILLING FLUIDS;

GELTONE

GELLING AGENT FOR USE AS AN ADDITIVE TO OLEAGINOUS OIL WELL DRILLING FLUIDS;

HYDROSET

LEAD OXIDES, MIXTURES OF LEAD OXIDES AND METALLIC LEAD, WITH OR WITHOUT ADMIXTURE OF EXPANDERS, FOR USE IN THE MANUFACTURE OF STORAGE BATTERIES;

JELOX

GELOX;BENTONITE FOR USE IN THE PREPARATION AND TREATMENT OF WELL DRILLING FLUIDS;

LORITE

DIATOMACEOUS MATERIALS;

LS

ANTIMONY METAL AND ALLOYS THEREOF IN THE FORM OF BARS, PIGS, OR INGOTS;

MILRITE

INGOTS AND CASTINGS OF LEAD ALLOYS;

NALCON

STORAGE BATTERY SEPARATORS;

NALPLEX

ACRYLIC LATEX FLAT WALL PAINTS;

NORMASAL

CHEMICAL COMPOSITION FOR USE AS A STABILIZER IN THE MANUFACTURE OF PLASTIC AND RUBBER PRODUCTS;

PB2

LEAD MATERIAL FOR SHIELDING AGAINST RADIATION;PB 2;

PL

COMMINUTED TITANIUM DIOXIDE.;

PLUM-O-SIL

CHEMICAL COMPOSITION FOR USE AS A STABILIZER IN THE MANUFACTURE OF PLASTIC AND RUBBER PRODUCTS;

RA

COMMINUTED TITANIUM DIOXIDE;

RA-10

COMMINUTED TITANIUM DIOXIDE;RA 10;

RA-40

COMMINUTED TITANIUM DIOXIDE;RA 40;

RA-41

COMMINUTED TITANIUM DIOXIDE;RA 41;

RA-42

COMMINUTED TITANIUM DIOXIDE;RA 42;

RA-45

COMMINUTED TITANIUM DIOXIDE;RA 45;

RA-46

COMMINUTED TITANIUM DIOXIDE;RA 46;

RA-47

COMMINUTED TITANIUM DIOXIDE;RA 47;

RA-50

COMMINUTED TITANIUM DIOXIDE;RA 50;

RA-51

COMMINUTED TITANIUM DIOXIDE;RA 51;

RA-NC

COMMINUTED TITANIUM DIOXIDE.;RA NC;

RC

COMPOSITE TITANIUM DIOXIDE-CALCIUM SULFATE PIGMENT;

RC-HT

COMPOSITE TITANIUM DIOXIDE-CALCIUM SULFATE PIGMENT;RC HT;

RC-HT-X

COMPOSITE TITANIUM DIOXIDE-CALCIUM SULFATE PIGMENT;RC HT X;

RMM

ANTIMONY METAL AND ALLOYS THEREOF;

SF-100

ADDITIVE FOR INCORPORATION WITH OIL TO FORM OIL MUD CASING PACKS AND SPOTTING FLUIDS FOR FREEING DRILL PIPE AS USED IN WELL DRILLING;

SHALE BAN

DRILLING MUD CONVERSION AND MAINTENANCE COMPOUND;

SKOT-FREE

LIQUID CONCENTRATE FOR RELEASING PRESSURE BOUND DRILL PIPE;SCOT-FREE;

TANNEX

COMPOSITIONS FOR TREATMENT OF OIL-WELL DRILLING FLUIDS;

WELDOPAX

ZIRCONIUM OXIDE;

Y47

PIGMENT ESPECIALLY ADAPTED FOR YELLOW TRAFFIC MARKING PAINTS;Y 47;