Organopolysiloxane/polyurea/polyurethane block copolymers

Details Organopolysiloxane/polyurea/polyurethane block copolymers Organopolysiloxane/polyurea/polyurethane block copolymers

2006-12-26

2006-12-26

Peng, Kuo-Liang (Department: 1712)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S038000, C528S034000

Reexamination Certificate

active

07153924

ABSTRACT:
The invention relates to a process for preparing organopolysiloxane/polyurea/polyurethane block copolymers, and also to the use of the organopolysiloxane/polyurea/polyurethane block copolymers prepared by means of the process.

REFERENCES:
patent: 2003/0176613 (2003-09-01), Hohberg et al.
patent: 2004/0087752 (2004-05-01), Schindler et al.
patent: 2004/0210024 (2004-10-01), Schafer et al.
patent: 101 37 855 (2003-02-01), None
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patent: WO 95/21206 (1995-08-01), None
patent: WO 96/30431 (1996-10-01), None
patent: WO 02/077072 (2002-10-01), None
patent: WO 03/014194 (2003-02-01), None
patent: WO 03/018704 (2003-03-01), None
English Derwent Abstract (AN 2003-268185 [26]) corresponding to WO 03/018704.
English Derwent Abstract (AN 2003-268185 [26]) corresponding to WO 03/014194.
I. Yilgör, “Segmented Organosiloxane Copolymers” POLYMER, 1984 (25), p. 1800.
English Derwent Abstract corres. to DE 101 37 855 [AN 2003-268185 [26]].

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