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US Patent 7101921 Polymer composition

Patent 7101921 was granted and assigned to Rohm and Haas on September, 2006 by the United States Patent and Trademark Office.

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Is a
Patent
Patent
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Patent attributes

Current Assignee
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Rohm and Haas
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
71019210
Patent Inventor Names
Steven Scott Edwards0
Alvin Michael Maurice0
Matthew Stewart Gebhard0
Allen Philip Marks0
Date of Patent
September 5, 2006
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Patent Application Number
102694020
Date Filed
October 11, 2002
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Patent Citations Received
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US Patent 11976207 Water-based compositions that resist dirt pick-up
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US Patent 11884834 Dirt pick-up resistant composition
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US Patent 11905434 Water-based compositions with long term gloss retention
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Patent Primary Examiner
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Kelechi C. Egwim
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Patent abstract

A polymer composition including polymer particles containing a first polymer and a second polymer is disclosed. The first polymer has a crosslinked core and has a glass transition temperature in the range of −30° C. to 100° C. The second polymer containing select crosslinking groups and has a glass transition temperature in the range of −10° C. to less than 18° C. A process to prepare the polymer composition is provided. Also provided are a coated article containing a coating prepared from the polymer composition and a method of preparing the coated article. The polymer composition has good low temperature film formation and provides a film with an acceptable level of hardness.

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