US Patent 7129313 Process for the solvent-free, continuous preparation of polyureas
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Patent abstract
The invention relates to a process for the solvent-free, continuous preparation of polyureas by reacting at least one isocyanate and/or isocyanurate having at least two NCO groups with at least one diamine and/or polyamine in an extruder, intensive kneader, intensive mixer or static mixer by thorough mixing and rapid reaction by briefly heating and subsequent cooling to isolate the end product.
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US Patent 07129313 Process for the solvent-free, continuous preparation of polyureas US Patent 7129313 Process for the solvent-free, continuous preparation of polyureas
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Patent Number
0712931300
Patent Number
712931300
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
071293130
Date of Patent
October 31, 2006
0Patent Application Number
103062150
Date Filed
November 29, 2002
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Patent Jurisdiction
Patent Number
071293130
Date of Patent
October 31, 2006
0Patent Application Number
103062150
Date Filed
November 29, 2002
0Official Website
Patent Primary Examiner
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US Patent 07129313 Process for the solvent-free, continuous preparation of polyureas
Infobox
Is a
Patent jurisdiction
Patent number
07129313
Date of patent
October 31, 2006
Patent application number
10306215
Date Filed
November 29, 2002
Patent primary examiner
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