Patent Assignment Details
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Reel/Frame: | 005622/0119 | |
| Pages: | 3 |
| | Recorded: | 02/27/1991 | | |
Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST. |
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Total properties:
1
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Patent #:
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Issue Dt:
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05/14/1991
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Application #:
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07491889
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Filing Dt:
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03/12/1990
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Title:
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METHOD FOR CONTROLLING SCALE DEPOSITION IN AQUEOUS SYSTEMS USING QUATERNARY AMMOUNIUM/MALEIC ANHYDRIDE-TYPE POLYMERS
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Correspondence name and address
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WILLIAM C. MITCHELL, ESQUIRE
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PATENT DEPARTMENT
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MERCK & CO., INC.
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P.O. BOX 2000
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RAHWAY, NJ 07065
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