Enzyme-containing granule and detergent composition

Details Enzyme-containing granule and detergent composition Enzyme-containing granule and detergent composition

2007-10-23

2007-10-23

Hardee, John R. (Department: 1751)

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Heterogeneous arrangement

C510S476000

Reexamination Certificate

active

09549647

ABSTRACT:
The instant invention discloses an enzyme-containing granule comprising: (a) a core granule comprising one or more enzyme particles; and (b) a water-soluble polymer coating therefor which substantially completely encapsulates said enzyme particles, wherein the polymer coating comprises a water-soluble or water-dispersible polyester resin, which comprises a reaction product of 20%-50% by weight of waste terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol.

REFERENCES:
patent: 4977191 (1990-12-01), Salsman
patent: 5434069 (1995-07-01), Tsaur et al.
patent: 5589370 (1996-12-01), Ratuiste et al.
patent: 5656584 (1997-08-01), Angell et al.
patent: WO 93/21294 (1993-10-01), None
patent: WO 97/19161 (1997-05-01), None

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