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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	7452896	Issue Dt:	11/18/2008	Application #:	10537400	Filing Dt:	06/02/2005
Publication #:	20070167472	Pub Dt:	07/19/2007
Inventors:	Martin Bolli, Christoph Boss, Martine Clozel, Walter Fischli, Thomas Weller
Title:	PYRIMIDINE-SULFAMIDES AND THEIR USE AS ENDOTHELIN RECEPTOR ANTAGONIST

Assignment: 1

Reel/Frame:

017413/0994

Recorded: 06/02/2005

Pages: 2

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

BOLLI, MARTIN

Exec Dt:

04/05/2005

BOSS, CHRISTOPH

Exec Dt:

04/05/2005

CLOZEL, MARTINE

Exec Dt:

04/11/2005

FISCHLI, WALTER

Exec Dt:

04/07/2005

WELLER, THOMAS

Exec Dt:

04/07/2005

Assignee:

ACTELION PHARMACEUTICALS, LTD.

GEWERBESTRASSE 16

CH-4123 ALLSCHWIL, SWITZERLAND

Correspondent:

CHARLES E. MILLER

DICKSTEIN SHAPIRO MORIN & OSHINSKY LLP

1177 AVENUE OF THE AMERICAS - 41ST FLOOR

NEW YORK, NY 10036-2714

Assignment: 2

Reel/Frame:

021482/0434

Recorded: 09/04/2008

Pages: 4

Conveyance:

CORRECTIVE ASSIGNMENT TO CORRECT THE TYPOGRAPHICAL ERROR IN ASSIGNEE'S NAME PREVIOUSLY RECORDED ON REEL 017413 FRAME 0994. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT OF ASSIGNOR'S INTEREST (SEE DOCUMENT FOR DETAILS)..

Assignors:

BOLLI, MARTIN

Exec Dt:

04/05/2005