Polymeric bleach precursors and methods of bleaching substrates

Details Polymeric bleach precursors and methods of bleaching substrates Polymeric bleach precursors and methods of bleaching substrates

1995-06-06

1996-10-01

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

25218638, 5253282, 526304, 510281, 510313, 510375, 510378, 510191, 510238, 510239, D06L 302

Patent

active

055607497

ABSTRACT:
A bleaching composition and method is described that includes contacting a substrate with a peroxygen compound and a polymeric bleach precursor which has a monomer repeating unit of the structure: ##STR1## wherein R is hydrogen or a C.sub.1 -C.sub.20 radical selected from the group consisting of alkyl, cycloalkyl, alkenyl, cycloalkenyl and aryl radicals; and

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patent: 5401435 (1995-03-01), Burzio et al.
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