Polyurethane method for the production thereof and binding...

Details Polyurethane method for the production thereof and binding... Polyurethane method for the production thereof and binding...

2005-07-05

2005-07-05

Gorr, Rachel (Department: 1711)

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...

C528S078000, C428S900000, C428S425900, C524S176000, C524S785000

Reexamination Certificate

active

06914118

ABSTRACT:
A polyurethane having at least one anionic anchor group L, the anchor group L being covalently bonded to a polyether segment having at least one nitrogen atom in the polyurethane.

REFERENCES:
patent: 4131731 (1978-12-01), Lai et al.
patent: 4152485 (1979-05-01), Mizumura et al.
patent: 4496678 (1985-01-01), Wenzel et al.
patent: 5082737 (1992-01-01), Bobrich et al.
patent: 5652320 (1997-07-01), Takemoto et al.
patent: 5747630 (1998-05-01), Amirsakis
patent: 2001/0016641 (2001-08-01), Hees et al.

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