Claims
- 1. A dry, granular peracid bleach and enzyme composition which has enhances enzyme stability despite prolonged storage in the presence of said peracid bleach and improved enzyme solubility in an aqueous medium, said bleach composition comprising:
- a) an organic peracid with the structure ##STR3## wherein R is C.sub.4-20 alkyl; and b) a hydrolase which is coated substantially completely by a water soluble polymer in the range of 10-40% by weight of the uncoated hydrolase, said coating further including and an additive which is selected from the group consisting of an antioxidant, a transition metal, and a mixture thereof.
- 2. The bleaching composition of claim 1 wherein said water soluble polymer is selected from the group consisting of polyethylene glycol, polyvinyl alcohol, polyvinyl pyrrolidone, and poly(methyl vinyl ether/maleic acid).
- 3. A dry, granular peracid bleach and enzyme composition which has enhanced enzyme stability despite prolonged storage in the presence of said peracid bleach and improved enzyme solubility in an aqueous medium, said bleach composition comprising:
- a) an organic peracid with the structure ##STR4## wherein R is C.sub.4-20 alkyl; and b) a hydrolase which is coated substantially completely by a water soluble polymer in the range of 10-40% by weight of the uncoated hydrolase, said coating further including and a reducing agent.
- 4. The bleaching composition of claim 3 wherein said reducing agent is sodium sulfite or sodium perborate tetrahydrate.
- 5. A hydrolase enzyme-containing composition which has enhanced stability despite prolonged storage in he presence of peracid oxidant bleaches and improved solubility in an aqueous medium, said composition comprising:
- a) a hydrolase; and
- b) a water soluble polymer coating therefor which substantially completely encapsulates said hydrolase in the range of 10-40% by weight of the uncoated hydrolase, said coating further including an additive which is selected from the group consisting of an antioxidant, a transition metal, and a mixture thereof.
- 6. A hydrolase enzyme-containing composition which has enhanced stability despite prolonged storage in the presence of peracid oxidant bleaches and improved solubility in an aqueous medium, said composition comprising:
- a) a hydrolase; and
- b) a water soluble polymer coating therefor which substantially completely encapsulates said hydrolase in the range of 10-40% by weight of the uncoated hydrolase, said coating further including a reducing agent.
Parent Case Info
This is a continuation of U.S. patent application Ser. No. 07/384,954, filed Jul. 24, 1989, now U.S. Pat. No. 5,093,021, itself a continuation of U.S. patent application Ser. No. 07/045,316, filed May 4, 1987, now U.S. Pat. No. 4,863,626, itself a continuation-in-part of U.S. patent application Ser. No. 06/899,461, filed Aug. 22, 1986, now U.S. Pat. No. 5,089,167, itself a continuation-in-part of both U.S. patent application Ser. No. 06/767,980, filed Aug. 21, 1985, now abandoned, and U.S. patent application Ser. No. 06/792,344, filed Oct. 28, 1985, now abandoned, said Ser. No. 06/792,344 being itself a continuation-in-part of said Ser. No. 06/767,980. The specifications of Ser. No. 06/792,344 and 06/767,980 are expressly incorporated herein by reference thereto.
US Referenced Citations (6)
Foreign Referenced Citations (6)
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127910 |
Dec 1984 |
EPX |
206417 |
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Non-Patent Literature Citations (1)
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Continuations (2)
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Number |
Date |
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Parent |
384954 |
Jul 1989 |
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Parent |
45316 |
May 1987 |
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Continuation in Parts (2)
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Number |
Date |
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Parent |
899461 |
Aug 1986 |
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Parent |
767980 |
Aug 1985 |
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