Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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08/28/2001
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Application #:
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09287903
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Filing Dt:
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04/07/1999
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Inventors:
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BRENT WARREN, PETER M. VAN DER HORST, THEODORUS A. VAN'T ZELFDE
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Title:
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QUATERNARY NITROGEN CONTAINING AMPHOTERIC WATER SOLUBLE POLYMERS AND THEIR USE IN DRILLING FLUIDS
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| VELPERWEG 76 |
| ARNHEM, NETHERLANDS 6824 |
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| AKZO NOBEL INC. |
| RALPH J. MANCINI |
| INTELLECTUAL PROPERTY DEPT. |
| 7 LIVINGSTONE AVENUE |
| DOBBS FERRY, N.Y. 10522 |
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Assignment:
2
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| VELPERWEG 76 |
| ARNHEM, NETHERLANDS 6824 BM |
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| JONATHAN SOIFER |
| 12412 POWERSCOURT DR |
| SUITE 200 |
| SAINT LOUIS, MO 63131 |
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Assignment:
3
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| THIRD FLOOR, 1 KING'S ARMS YARD |
| LONDON, ENGLAND EC2R 7AF |
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| KRISTIN YOHANNAN, ESQ. |
| 1850 K STREET, NW, SUITE 1100 |
| MILBANK, TWEED, HADLEY & MCCLOY, LLP |
| WASHINGTON, DC 20006 |
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