Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Patent
1988-07-28
1990-07-10
Van Balen, William J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
427243, 427244, 427373, 427379, 4283166, 428473, B32B 326, B32B 704
Patent
active
049406310
ABSTRACT:
The invention relates to a cellular cellulosic wiping material consisting of a cellular cellulosic substrate covered on at least one side with an expanded latex foam obtained from an aqueous latex composition having a viscosity of between 2500 and 3500 mPa.s, measured at 20.degree. C. under 65% humidity, and giving a foam density of between 250 and 400 g/l.
REFERENCES:
patent: 2629919 (1953-03-01), Golden
patent: 2996409 (1961-08-01), Lavely
patent: 3341640 (1967-09-01), Rosencrantz
patent: 4214053 (1980-07-01), Porter
Colin Claudine
Wertz Jean-Luc
Societe Anonyme: SPONTEX
Van Balen William J.
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