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Inventors

Steven M. Kuznicki Richard M. Jacubinas Tadeuz W. Langner

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ENGELHARD CORPORATION

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POLYMORPH-ENRICHED ETS-4

09/640,313 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)

Filed Aug. 15, 2000

Examiner DAVID R SAMPLE

Class 423

Art Group 1755

Patent No. 6,464,957

Case Type Utility - 423/713000

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

Child PCT/US01/24722 Published

Child 10/233,496 Abandoned

Last Updated: 5 years, 4 months ago

Date	#	Transaction
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POLYMORPH-ENRICHED ETS-4

09/640,313 | U.S. Patent Application

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