Phenolic formaldehyde-salicylic acid condensation products

Details Phenolic formaldehyde-salicylic acid condensation products Phenolic formaldehyde-salicylic acid condensation products

1978-09-13

1981-01-13

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260 334R, 525501, 525503, 525508, C08G 818

Patent

active

042450837

ABSTRACT:
Condensation products which are obtained by reaction of aromatic hydroxycarboxylic acids with formaldehyde in a first stage and by a subsequent condensation reaction of the products with phenol and/or phenol derivatives in the molar ratio 1:(0.8-21):(0.6-20) are suitable as fixing agents for basic dyestuffs in paper printing.

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patent: 2907719 (1959-10-01), Greenlee
patent: 2907750 (1959-10-01), Greenlee
patent: 2981710 (1961-04-01), Hoenel
patent: 3296181 (1967-01-01), Wurmli et al.
patent: 3298985 (1967-11-01), Bills et al.
patent: 3624038 (1971-11-01), Weidner
patent: 3905935 (1975-09-01), Irwin et al.
patent: 4101489 (1978-07-01), Reitz et al.
Chem. Abstracts, vol. 55, 1961, 5806i-5807a-c, Rabek et al., 1961.

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