US Patent 7202302 Polyisocyanurate compositions and composites

Patent 7202302 was granted and assigned to Huntsman on April, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Huntsman

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72023020

Date of Patent

April 10, 2007

Patent Application Number

107149860

Date Filed

November 17, 2003

Patent Primary Examiner

‌

Patrick D. Niland

Patent abstract

Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.