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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	6433199	Issue Dt:	08/13/2002	Application #:	09316190	Filing Dt:	05/21/1999
Inventors:	MITSUNORI ONO, KEIZO KOYA, LIJUN SUN, YUMIKO WADA, WOJCIECH WRONA, NATALIE DALES et al
Title:	QUINONE DERIVATIVES

Assignment: 1

Reel/Frame:

010225/0110

Recorded: 09/10/1999

Pages: 7

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

ONO, MITSUNORI

Exec Dt:

09/01/1999

KOYA, KEIZO

Exec Dt:

09/01/1999

SUN, LIJUN

Exec Dt:

08/12/1999

WADA, YUMIKO

Exec Dt:

08/17/1999

WRONA, WOJCIECH

Exec Dt:

08/13/1999

DALES, NATALIE

Exec Dt:

09/03/1999

TAO, XUELIANG

Exec Dt:

08/12/1999

HOLDEN, SYLVIA

Exec Dt:

08/17/1999

Assignee:

SHIONOGI BIORESEARCH CORP.

45 HARTWELL AVENUE

LEXINGTON, MASSACHUSETTS 02173

Correspondent:

FISH & RICHARDSON P.C.

Y. ROCKY TSAO

225 FRANKLIN STREET

BOSTON, MA 02110-2804

Assignment: 2

Reel/Frame:

013616/0814

Recorded: 12/12/2002

Pages: 5

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor:

SBR PHARMACEUTICALS CORP. F/K/A SHIONOGI BIORESEARCH CORP.

Exec Dt:

11/07/2002

Assignee:

SYNTA PHARMACEUTICALS CORP.

45 HARTWELL AVENUE

LEXINGTON, MASSACHUSETTS 02421

Correspondent:

NIXON PEABODY LLP

MICHAEL BARRON

101 FEDERAL STREET

BOSTON, MA 02110-1832

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