Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1989-12-08
1991-01-29
Hess, Bruce H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
229 68R, 424451, 428124, 428201, 428206, 428207, 428211, 4283215, 428905, A61L 904, B01J 1300, D01F 102, D04H 104
Patent
active
049885570
ABSTRACT:
Fragrance releasing pull-apart sheets can provide immediate fragrance release and transferable fragrance microcapsules by placing microcapsules between the two surfaces with a discontinuous binder, and adhering the surfaces together with the binder with the capsules in some areas and with only microcapsules present in other areas.
REFERENCES:
patent: 4186743 (1980-02-01), Steiger
patent: 4487801 (1984-12-01), Turnbull et al.
patent: 4535050 (1985-08-01), Adair et al.
patent: 4720417 (1988-01-01), Sweeny et al.
Hess Bruce H.
Kirn Walter N.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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