Sulphonated comb polymers and preparations, in particular...

Details Sulphonated comb polymers and preparations, in particular... Sulphonated comb polymers and preparations, in particular...

2006-04-11

2006-04-11

Lipman, Bernard (Department: 1713)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S330400, C525S346000

Reexamination Certificate

active

07026408

ABSTRACT:
Water-soluble and/or water-dispersible comb polymers consisting of a polymer main chain and polyester side-arms which contain sulphone groups and are linked to said polymer main chain via ester groups.

REFERENCES:
patent: 6255274 (2001-07-01), Becherer et al.
patent: 1043352 (2000-10-01), None
patent: 1048287 (2000-11-01), None

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