Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1989-01-13
1990-08-14
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, A61L 904, B01J 1300, D01F 102, D04H 104
Patent
active
RE0332992
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
patent: 4535050 (1985-08-01), Adair et al.
Town and Country, Dec. 1984, p. 64.
Printed sampler manufactured by Arcade, Inc. dated Sep. 24, 1984 called a Scent Strip.TM. fragrance test sample.
Charbonneau Jack W.
Sweeny Norman P.
Wienke Orville F.
Hess Bruce H.
Kirn Walter N.
Litman Mark A.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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