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Patent Assignment Abstract of Title

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Total Assignments: 2

Patent #:	10590331	Issue Dt:	03/17/2020	Application #:	15750026	Filing Dt:	02/02/2018
Publication #:	20180223173	Pub Dt:	08/09/2018			PCT #:	US2016044378
Inventors:	Xue Min Dong, Gregory P. Dado, E. Carolina Rojas, Aaron Sanders
Title:	MIXED DIMERS FROM ALPHA-OLEFIN SULFONIC ACIDS

Assignment: 1

Reel/Frame:

045361/0672

Recorded: 03/27/2018

Pages: 5

Conveyance:

ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors:

ROJAS, CAROLINA E.

Exec Dt:

03/01/2018

DONG, XUE MIN

Exec Dt:

03/01/2018

SANDERS, AARON

Exec Dt:

02/26/2018

DADO, GREGORY P.

Exec Dt:

03/01/2018

Assignee:

STEPAN COMPANY

22 W. FRONTAGE ROAD

NORTHFIELD, ILLINOIS 60093

Correspondent:

DILWORTH IP LLC

2 CORPORATE DRIVE

SUITE 206

TRUMBULL, CT 06611

Assignment: 2

Reel/Frame:

051708/0336

Recorded: 01/27/2020

Pages: 7

Conveyance:

CORRECTIVE ASSIGNMENT TO CORRECT THE CORRECT NAME OF THE FIRST NAMED INVENTOR PREVIOUSLY RECORDED AT REEL: 043361 FRAME: 0672. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.

Assignors:

ROJAS, E. CAROLINA

Exec Dt:

03/01/2018