Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1994-04-28
1995-09-26
Lieberman, Paul
Compositions
Water-softening or purifying or scale-inhibiting agents
252DIG1, 252DIG2, 25217423, 252164, 252165, 252544, 252140, 252155, 252109, 252116, 252130, 252134, 252525, 252 96, 252 97, 252 98, 25218625, 252113, 252DIG12, 252133, 252135, 134 252, 134 40, C11D 1700, C11D 166, C11D 312, B08B 302
Patent
active
054532167
ABSTRACT:
A delayed-release composite particle is provided which comprises (a) a core particle comprising an inorganic detergent builder salt and an effective amount of at least one wash additive; and (b) a waxy coating encapsulating said core particle, which coating has a melting point of greater than about 65.degree. C. and which chemically disintegrates in aqueous solution at a temperature of less than about 65.degree. C. and a pH of above about 9.0.
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patent: 4759956 (1988-07-01), Amer et al.
patent: 4762637 (1988-08-01), Aronson et al.
patent: 4806266 (1989-02-01), Burrill
patent: 4972017 (1990-11-01), Smith et al.
patent: 5028433 (1991-07-01), Ishimaru et al.
patent: 5133892 (1992-07-01), Chun et al.
patent: 5230822 (1993-07-01), Kamel et al.
Creative Products Resource, Inc.
Lieberman Paul
McGinty Douglas J.
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