Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeong-hon Kim0
Sang-jo Suck0
Seong-ho Ahn0
Suk-jo Lee0
Bong-ku Kim0
Dae-sung Yang0
Hong-gi Kim0
Hyo-seob Kim0
...
Date of Patent
October 23, 2007
0Patent Application Number
109591120
Date Filed
October 7, 2004
0Patent Primary Examiner
Patent abstract
A method to produce a rigid polyurethane foam includes emulsifying a nucleating agent by mixing the nucleating agent with a polyol and a foam stabilizer, preparing a polyol mixture by mixing water, a catalyst, and a blowing agent at one of: before the emulsifying, during the emulsifying and after the emulsifying, and reacting the polyol mixture with a polyisocyanate.
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