Substrate with super-absorbent material, method for...

Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component

Reexamination Certificate

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Details

C428S305500, C428S316600, C428S317900, C428S378000, C442S221000

Reexamination Certificate

active

06946189

ABSTRACT:
The invention relates to a substrate provided with super-absorbent material to be manufactured by allowing suitable monomers to polymerize in the presence of a catalyst in order to obtain a polymer solution, adding a cross-linking agent to the polymer solution to obtain a pasty composition, subsequently applying the composition on or in a substrate and allowing the applied composition to dry and cross-link in order to obtain the substrate with the super-absorbent material. The pasty composition further contains other additives. The invention further relates to a method for manufacturing such a substrate. The substrates can be used as sheathing material in cables, in hygiene products such as baby napkins, sanitary towels and incontinence products, in or as packagings and packaging materials and in agricultural substrates. The invention also relates to such products.

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Database WPI, Section Ch. Week 9033, Derwent Publications Ltd., London, GB; AN 90-249590 XP002003531 & JP,A,02 172 739 (Sumitomo Seika Chem), Jul. 4, 1990.

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