Granulated magnesium monoperoxyphthalate coated with fatty acid

Details Granulated magnesium monoperoxyphthalate coated with fatty acid Granulated magnesium monoperoxyphthalate coated with fatty acid

1988-07-25

1989-11-21

Willis, Prince E.

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

252 95, 25218625, 25218626, 252 99, D06L 302, D06L 304

Patent

active

048819409

ABSTRACT:
A bleaching agent is described particularly effective for low temperature bleaching of laundry while avoiding concomitant dye damage of bleach-sensitive dyed fabrics. The bleaching agent comprises particles of monoperoxyphthalic acid (MPPA) and/or a water-soluble salt thereof, said particles being at least partially coated with an effective amount of a substantially aliphatic fatty acid mixture comprised of at least 16% and no more than about 40%, by weight, of fatty acids having a chain length of from 20 to 22 carbon atoms, said mixture being substantially free of fatty acids having less than 14 carbon atoms.

REFERENCES:
patent: 3847830 (1974-11-01), Williams et al.
patent: 3908045 (1975-09-01), Alterman
patent: 4009113 (1977-02-01), Green et al.

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