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

1990-08-14

1992-10-06

Clingman, A. Lionel

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

81156, 8912, 8557, 562 45, 562 58, 562 59, 528 86, 106 3835, 44553, C08C 820, C08C 1412, D06P 156

Patent

active

051532999

ABSTRACT:
A production method of novel condensates comprising bisphenols and aromatic aminosulfonic acids, in particular, novel 4-aminobenzenesulfonic acid-2, 2-bis(4-hydrocyphenyl)propaneformaldehyde type condensate and said condensate itself are disclosed. Uses of condensates as a dispersant for disperse dye, additive for carbonaceous fine powder-water slurry and water-reducing agent for cement are also claimed.

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patent: 4877538 (1989-10-01), Kirjanov et al.
patent: 4936918 (1990-06-01), Furuhashi et al.

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