Lattice-entrapped composition

Details Lattice-entrapped composition Lattice-entrapped composition

1986-10-06

1989-11-14

Ore, Dale R.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424DIG10, 424 59, 424 60, 424 69, 424 78, 424 81, 514965, 512 4, A61K 7035, A61K 742, A61K 942

Patent

active

048806170

ABSTRACT:
This invention relates to solid compositions wherein a non-cosmetic functional material is entrapped in the lattice of the cross-linked polymer during in situ polymerization of the monomers forming the polymer lattice. The invention provides for conversion of solid and/or liquid products into solid, free-flowing forms by entrapment of the functional materials in a hydrophobic polymer lattice.

REFERENCES:
patent: 3567118 (1971-03-01), Shepherd et al.
patent: 3567650 (1971-03-01), Bakan
patent: 3574822 (1971-04-01), Shepherd et al.
patent: 3577516 (1971-05-01), Gould et al.
patent: 3660561 (1972-05-01), Shepherd et al.
patent: 3697643 (1972-10-01), Shepherd et al.
patent: 3920883 (1975-04-01), Yamada et al.
patent: 4016290 (1977-04-01), Rahman
patent: 4146649 (1979-03-01), Siegel et al.
patent: 4148875 (1979-04-01), Barnett et al.
patent: 4183959 (1980-01-01), Wood
patent: 4587129 (1986-06-01), Kliment
patent: 4664847 (1987-05-01), Williams
Bakan, Microencapsulation as Applied to Pharmaceutical Products, 10/1968, pp. 11 to 14 and 20.
National Cash Register Co., Microencapsulation, 1967, pp. 436, 453,454 and 455.

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