Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1974-09-16
1976-01-27
Weiffenbach, Cameron K.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428454, 128296, 128284, B32B 900
Patent
active
039353630
ABSTRACT:
The difficulties in using clay minerals as absorbents in articles such as diapers, floor mats, utility wiping cloths, etc. is overcome by flocculating the clay into granular aggregates. The dry aggregates are dispersed into a flexible fibrous support to prepare the absorbent products. The aggregates, additionally, show enhanced water absorbing properties in many instances.
REFERENCES:
patent: 2388616 (1945-11-01), LaLande
patent: 2434418 (1948-01-01), LaLande
patent: 2750944 (1956-06-01), Tollstrup
patent: 3340875 (1967-09-01), Dudley et al.
patent: 3670731 (1972-06-01), Harmon
Burkholder Nelson D.
Taber Dudley A.
Wisner Ralph L.
Aamoth H. Lyle
Hummer Richard W.
The Dow Chemical Company
Varndell, Jr. Ralph E.
Weiffenbach Cameron K.
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