Fabric impregnated with functional substances for controlled rel

Details Fabric impregnated with functional substances for controlled rel Fabric impregnated with functional substances for controlled rel

1989-03-20

1992-10-20

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424400, 424401, 424402, 424403, 424404, 424405, 424409, 424414, 424416, 424501, 424502, 424 59, 424 763, 514963, 514965, 428241, 428243, 428281, 428905, 428907, 428911, 428913, A01N 2508, A01N 2534, A61L 904, B32B 516

Patent

active

051568438

ABSTRACT:
Intersticed materials, including woven and nonwoven fabrics, open-cellular materials and the like, are impregnated with functional substances by incorporating the substances in microscopic porous particles in which the pores form an interconnected network open to the particles in the interstices of the materials. The functional substances thus impart useful properties to the material in a controlled release manner.

REFERENCES:
patent: 3896807 (1975-07-01), Buchalter
patent: 4427793 (1984-01-01), Reed et al.
patent: 4514461 (1985-04-01), Woo
patent: 4690825 (1987-09-01), Won
patent: 4706470 (1987-11-01), Bouchette
patent: 4904524 (1990-02-01), Yoh
"Impregnating Fabrics with Microcapsules", Schaab, pp. 84-85.
C. K. Schaab, "Impregnating Fabrics With Microcapsules", HAPPI, May 1986.
C. K. Schaab, "Impregnating Nonwoven Fabrics With Microencapsulated Components", Nonwovens Industry, Nov. 1985.

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