Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1976-06-14
1980-11-18
Cockeram, H. S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521128, 521129, 521160, 521906, 521174, C08G 1814, C08G 1820, C08G 1876
Patent
active
042346932
ABSTRACT:
A process for the manufacture of polyurea foams which comprises reacting an organic polyisocyanate with at least a chemically equivalent amount of water in the presence of an imidazole compound.
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Cockeram H. S.
Imperial Chemical Industries Limited
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