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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	7507854	Issue Dt:	03/24/2009	Application #:	10924743	Filing Dt:	08/23/2004
Publication #:	20050203324	Pub Dt:	09/15/2005
Inventors:	Choon Woo Lee, Soon Hyeok Hong, Daniel P. Sanders, Richard L. Pederson et al
Title:	IMPURITY REDUCTION IN OLEFIN METATHESIS REACTIONS

Assignment: 1

Reel/Frame:

016271/0932

Recorded: 05/24/2005

Pages: 9

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

LEE, CHOON WOO

Exec Dt:

05/19/2005

HONG, SOON HYEOK

Exec Dt:

05/20/2005

SANDERS, DANIEL P.

Exec Dt:

05/20/2005

GRUBBS, ROBERT H.

Exec Dt:

05/20/2005

PEDERSON, RICHARD L.

Exec Dt:

05/19/2005

Assignee:

MATERIA, INC.

60 NORTH SAN GABRIEL BOULEVARD

SAN GABRIEL, CALIFORNIA 91321

Correspondent:

DIANNE E. REED

REED IP LAW GROUP

1400 PAGE MILL ROAD

PALO ALTO, CA 94304

Assignment: 2

Reel/Frame:

021475/0547

Recorded: 09/03/2008

Pages: 10

Conveyance:

CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE'S ADDRESS PREVIOUSLY RECORDED ON REEL 016271 FRAME 0932. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNEE'S ADDRESS IS: 60 NORTH SAN GABRIEL BOULEVARD, PASADENA, CALIFORNIA 91107.

Assignors:

LEE, CHOON WOO

Exec Dt:

05/19/2005