Soft thermoplastic polyurethane ureas a process for their prepar

Details Soft thermoplastic polyurethane ureas a process for their prepar Soft thermoplastic polyurethane ureas a process for their prepar

1996-01-05

1997-11-18

Clark, W. Robinson H.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524840, 524323, 524342, 524345, 524356, 524361, 524364, C08L 7506, C08L 7508, C08L 7510

Patent

active

056888635

ABSTRACT:
A thermoplastic polyurethane urea prepared by reacting a reaction mixture of

REFERENCES:
patent: 4049632 (1977-09-01), Magnusson et al.
patent: 4055549 (1977-10-01), Roberts
patent: 4062834 (1977-12-01), Gilding et al.
patent: 4286080 (1981-08-01), Quirling et al.
patent: 4321173 (1982-03-01), Schuhmacher et al.
patent: 4921842 (1990-05-01), Henning et al.

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