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Encapsulated halogen bleaches and methods of preparation and use

  • US 5,213,705 A
  • Filed: 02/25/1991
  • Issued: 05/25/1993
  • Est. Priority Date: 04/30/1985
  • Status: Expired due to Term
First Claim
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1. An encapsulate halogen bleach composition that is chemically stable and compatible when combined with an alkaline cleaning composition and does not interfere with the action of the cleaning composition, the capsule comprising:

  • (a) a halogen bleach core; and

    (b) an encapsulating coating effective to isolate the core, wherein the core comprises about 20 to 90 wt-% of the encapsulate composition and the coating comprises about 10 to 80 wt-% of the encapsulate composition, said coating comprising,(i) a first coating layer of an inorganic agent coated over said bleach core, and(ii) a second coating layer of an n-alkyl sulfonate compound coated over said inorganic agent.

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