Encapsulation process and resulting aqueous dispersion of encaps

Details Encapsulation process and resulting aqueous dispersion of encaps Encapsulation process and resulting aqueous dispersion of encaps

1977-06-13

1978-11-07

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

282 275, 424 33, 428307, 428914, B01J 1302

Patent

active

041245261

ABSTRACT:
Oil droplets are encapsulated by forming a dispersion of the droplets in an aqueous alkaline liquid medium containing a water-soluble salt of a polycarboxylate polymer and acidifying the medium to a pH in the range of 5 to 8 whereby the polycarboxylate polymer precipitates to form walls around the droplets.

REFERENCES:
patent: 3190837 (1965-06-01), Brynko et al.
patent: 3244640 (1966-04-01), Studt et al.
patent: 3341466 (1967-09-01), Brynko et al.
patent: 3725501 (1973-04-01), Hilbelink et al.

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