Method for the production of polyurethanes

Details Method for the production of polyurethanes Method for the production of polyurethanes

2005-06-14

2005-06-14

Sergent, Rabon (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C252S182270, C521S119000, C521S120000, C521S123000, C521S124000, C521S125000, C521S128000, C521S130000, C521S174000, C524S706000, C524S729000, C524S777000, C524S778000, C524S787000, C524S788000, C524S796000, C528S048000, C528S051000, C528S055000, C528S056000, C528S057000, C528S076000

Reexamination Certificate

active

06906110

ABSTRACT:
In a process for producing polyurethanes by reacting at least one polyisocyanate with at least one compound containing at least two hydrogen atoms which are reactive toward isocyanate groups, the compound having at least two active hydrogen atoms which is used is at least one polyether alcohol prepared by addition of alkylene oxides onto H-functional initiator substances by means of multimetal cyanide catalysis and the reaction is carried out in the presence of at least one metal salt.

REFERENCES:
patent: 4200701 (1980-04-01), Wetton et al.
patent: 4521548 (1985-06-01), Christen et al.
patent: 5124425 (1992-06-01), Higuchi et al.
patent: 5266681 (1993-11-01), Reisch et al.
patent: 5357038 (1994-10-01), Reisch et al.
patent: 5605939 (1997-02-01), Hager
patent: 5767323 (1998-06-01), Televantos et al.
patent: 5962749 (1999-10-01), Parsons et al.
patent: 2228651 (1998-09-01), None
patent: 203734 (1983-11-01), None
patent: 203735 (1983-11-01), None
patent: 406440 (1991-01-01), None
patent: 553848 (1993-08-01), None
patent: 1403301 (2004-03-01), None
patent: WO94/03519 (1994-02-01), None
patent: 97/27236 (1997-07-01), None

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