Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-10-31
1988-01-19
Hess, Bruce H.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
424401, 424451, 427171, 428204, 428206, 428207, 4283215, 428323, 428327, 4284022, 42840221, 42840222, 4285375, 428905, 512 4, A61L 904, B01J 1300, D01F 102, D04H 104
Patent
active
047204176
ABSTRACT:
Microencapsulated materials are released by rupturing of an adhesive layer on a substrate containing the capsules.
REFERENCES:
patent: 3516941 (1970-06-01), Matson
patent: 3623659 (1971-11-01), Maierson et al.
patent: 4186743 (1980-02-01), Steiger
patent: 4487801 (1984-12-01), Turnbull et al.
patent: 4528226 (1985-07-01), Sweeny
"Town and Country", Dec. 1984, p. 64.
"Scent Strip", Arcade Inc., 9/24/84.
Charbonneau Jack W.
Sweeny Norman P.
Wienke Orville F.
Hess Bruce H.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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