Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-12-06
1989-11-28
Petrilla, Theodore E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
811556, 811561, 8557, 8560, 8DIG21, 252 87, 525143, 525502, 428 96, C08L 6106
Patent
active
048838390
ABSTRACT:
Stain-resistant compositions comprising sulfonated phenol-formaldehyde condensation products and polymers of ethylenically unsaturated monomers, polyamide textile substrates treated with the same, and processes for their preparation. The stain-resistant compositions and substrates possess improved stain resistance but do not suffer from yellowing to the extent that previously known materials do.
REFERENCES:
patent: 4592940 (1986-06-01), Blyth et al.
patent: 4780099 (1988-10-01), Greschler et al.
Alender Jeffrey R.
Fitzgerald Patrick H.
Rao Nandakumar S.
Vinod Yashavant V.
E. I. Du Pont de Nemours and Company
Feeny Charles E.
Petrilla Theodore E.
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