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YONGXIAN ZENG

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BOC GROUP, INC., THE

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HYDROCARBON PARTIAL OXIDATION PROCESS

09/290,768 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed April 13, 1999

Examiner MARIBEL MEDINA SANABRIA

Class 252

Art Group 1754

Patent No. 6,143,203

Case Type Utility - 252/373000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Last Updated: 4 years, 8 months ago

Date	#	Transaction
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09/290,768 | U.S. Patent Application

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