Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1996-09-18
1998-03-10
Edwards, Newton
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428 96, 4284474, 428524, 252 861, 252 862, 4273934, 562429, D02G 300, B32B 2742, C07C31500, B05D 302
Patent
active
057258899
ABSTRACT:
Polyamide fibrous substrates which resist staining by acid dyes, and processes for preparing the same which comprise applying, at pH 2 to 10, a base-catalyzed condensation product formed by the condensation reaction of a mixture of bis(hydroxyphenyl)sulfone and at least one other phenolic compound with formaldehyde to give a product known as a resole.
REFERENCES:
patent: 4453002 (1984-06-01), Maurer et al.
patent: 5447755 (1995-09-01), Pechhold et al.
patent: 5460891 (1995-10-01), Buck et al.
E. I. Du Pont de Nemours and Company
Edwards Newton
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