Production of novel condensates comprising bisphenols and aromat

Details Production of novel condensates comprising bisphenols and aromat Production of novel condensates comprising bisphenols and aromat

1992-06-08

1993-08-03

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528129, 528155, 528162, 528163, 106499, 106503, 106725, 106808, 106823, 524 3, 524 4, 524 6, 524843, C08G 1404, C04B 2400, C04B 735

Patent

active

052330125

ABSTRACT:
Novel condensates comprising bisphenols and aromatic aminosulfonic acids, in particular, novel 4-aminobenzenesulfonic acid-2,2-bis (hydroxyphenyl)propaneformaldehyde condensates, and methods for their production are disclosed. The novel condensates are useful as a dispersant for disperse dyes, an additive for carbonaceous fine powder-water slurries and as a water reducing agent for cement.

REFERENCES:
patent: 4936918 (1990-06-01), Furuhashi et al.
patent: 5092934 (1992-03-01), Furuhashi et al.

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