C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
403/14, 402/150,
C07C 219/04 (2006.01) C08G 18/32 (2006.01) C08G 18/42 (2006.01) C08G 18/46 (2006.01) C08G 63/685 (2006.01)
Patent
CA 1274839
Mo-2831 LeA 24,026 NEW POLYESTER POLYOLS, A PROCESS FOR THEIR PRODUCTION AND THEIR USE IN THE ISOCYANATE POLYADDITION PROCESS ABSTRACT OF THE DISCLOSURE Polyester polyols corresponding to the formula Image in which RH1, Z x, A1, A2, A3, A4, A5, A6, A7 and A8 each represent specified groups or values are made by reacting (a) a dicarboxylic acid or derivative thereof or anhydride thereofwith (b) a tris-alkanolamine and/or tetrakis-alkanol diamine. These polyester polyols are particularly useful in the production of polyurethane and polyisocyanurate foams. Mo-2831
516550
Giersig Manfred
Hass Peter
Sommerfeld Claus-Dieter
Weber Hans-Ulrich
Wiedermann Rolf
Aktiengesellschaft Bayer
Swabey Ogilvy Renault
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