Sulfomethylated stain blocking agents

Details Sulfomethylated stain blocking agents Sulfomethylated stain blocking agents

1988-04-04

1989-10-31

Clingman, A. Lionel

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

81156, 8490, 8560, 8589, 252 875, 252 89, 4273934, 428 96, 428267, 428270, D06M 0000

Patent

active

048775380

ABSTRACT:
This invention relates to a new process and group of products that are useful in preventing nylon and wool fibers, including carpeting and upholstery, from being permanently stained. Fibers can be permanently stained by food colors contained in food spilled on the fiber. This new group of sulfomethylated phenol-formaldehyde or naphthol-formaldehyde and anionic surfactant compounds not only block the stain from the fiber but also minimize any yellowing or discoloration of the treated fibers during the application and during the subsequent exposure to sunlight or commonly used lightfastness testing equipment.

REFERENCES:
patent: 3788808 (1974-01-01), Falkehag et al.
patent: 4302202 (1981-11-01), Sumner et al.
patent: 4306876 (1981-12-01), Hertel
patent: 4592940 (1986-06-01), Blyth et al.
patent: 4619853 (1986-10-01), Blyth et al.

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