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PHILLIPS PETROLEUM COMPANY (Assignor) CHEVRON PHILLIPS CHEMICAL COMPANY LP (Assignee)

Reel/Frame Number: 023660/0063 View this Assignment Record at USPTO

Recordation Date: 12/16/2009 Execution Date: 12/16/2009 Page Count: 6 Assignor(s):
PHILLIPS PETROLEUM COMPANY
Assignee(s):
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS TEXAS 77380

Correspondence Address:
CHEVRON PHILLIPS CHEMICAL COMPANY LP
10001 SIX PINES DRIVE
THE WOODLANDS, TX 77355 Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total Properties Assigned: 8

US6610268	METHOD FOR THE MICROBIOLOGICAL PRODUCTION OF SULFURIC ACID
US20040086450	MATERIALS AND METHOD FOR THE BIOLOGICAL PRODUCTION OF SULFURIC ACID
US5283192	BIOLOGICAL PROCESS FOR ENHANCED MANGANESE AND SILVER RECOVERY FROM REFRACTORY MANGANIFEROUS SILVER ORE
US5248329	BIOLOGICAL PROCESSES FOR RECOVERING HEAVY METALS
US6294362	RAPID FERROUS SULFATE BIOOXIDATION
US6063158	SULFIDE MINERAL CONCENTRATE BIOLEACHING
US6284530	Sulfide mineral concentrate bioleching
US6139602	CARBON CATALYZED LEACHING OF METAL-CONTAINING ORES