Novel enzyme particles and their preparation

Details Novel enzyme particles and their preparation Novel enzyme particles and their preparation

1978-06-26

1980-12-30

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

25217417, 25217425, 252132, 252DIG12, 424 35, 424 38, 424 94, 435177, 435178, 435187, 435188, A61K 3748, C11D 3386, C12N 996, C12N 998

Patent

active

042422191

ABSTRACT:
A novel process for preparing non-dusting, enzyme-containing particles, e.g. for introduction into washing compositions, comprising homogeneously mixing an amount of an enzyme in dry or substantially dry form to give the desired enzyme activity in the particles when formed, about 20% to about 60% of a hydrophilic organic cohesive compatible with the enzyme, about 10% to about 60% of a building agent suitable for use in enzyme compositions, and a sufficient amount of water, if necessary, to give a moisture content in the particles, when formed, of from 5% to 15%, mechanically dividing the mixture obtained into particles of the desired size, and coating the particles to prevent loss of moisture and the novel enzyme particles produced thereby as well as washing compositions and pharmaceutical compositions containing said enzyme particles.

REFERENCES:
patent: 3072532 (1963-01-01), Innerfield
patent: 3519570 (1970-07-01), McCarty
patent: 3661786 (1972-05-01), Des Forges
patent: 3723327 (1973-03-01), van Kampen
patent: 3775331 (1973-11-01), Borrello
patent: 3853780 (1974-10-01), Mostow
patent: 3868336 (1975-02-01), Mazzola
patent: 4009076 (1977-02-01), Green
patent: 4016041 (1977-04-01), van Kampen
patent: 4106991 (1978-08-01), Markussen

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