Stabilisation of aqueous solutions of homopolymers and...

Details Stabilisation of aqueous solutions of homopolymers and... Stabilisation of aqueous solutions of homopolymers and...

2005-10-06

2010-02-23

Mulcahy, Peter D (Department: 1796)

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...

C524S516000, C524S548000

Reexamination Certificate

active

07666935

ABSTRACT:
Aqueous solutions comprising: one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof; and hydrogen peroxide; wherein the hydrogen peroxide is present in an amount of 100 to 5000 ppm; and methods of stabilizing aqueous solutions containing one or more polymeric components selected from the group consisting of homopolymers of N-vinylpyrrolidone, copolymers of N-vinylpyrrolidone, and mixtures thereof.

REFERENCES:
patent: 2821519 (1958-01-01), Glickman
patent: 3480557 (1969-11-01), Shiraeff
patent: 4786699 (1988-11-01), Nuber et al.
patent: 5130124 (1992-07-01), Merianos et al.
patent: 5753770 (1998-05-01), Breitenbach et al.
patent: 43 44 131 (1995-06-01), None
patent: WO-98/58990 (1998-12-01), None

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