Dispersions containing alkoxylates of alicyclic polycyclic...

Details Dispersions containing alkoxylates of alicyclic polycyclic... Dispersions containing alkoxylates of alicyclic polycyclic...

2011-01-11

2011-01-11

Cheung, William K (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...

C524S431000, C524S425000, C524S423000, C524S493000, C524S445000, C524S449000, C524S451000

Reexamination Certificate

active

07868074

ABSTRACT:
The present invention provides a dispersant for aqueous and non-aqueous systems which can disperse insoluble fine powders in aqueous and non-aqueous liquids in a short period of time and give long-term dispersion stability to the resulting dispersions. The dispersant is a compound of the formulawherein CY is selected from the group consisting of aliphatic monocyclic compounds having one double bond and aliphatic polycyclic compounds with or without one double bond, or with or without bridge carbons; (n+x+y+z)>1; and R=—H, —SO3M, —CO2M, —PO3M, —OCR′ wherein M=H, or Na, K, Li, Ca, Mg, NH4, NH(R1)2, NH2R1, N(R1)3where R1is selected from the group consisting of C1-C6alkyl and C1-C6hydroxyalkyl; and R′=C2-C22alkyl or alkenyl.

REFERENCES:
patent: 5660684 (1997-08-01), Li et al.

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