Biodegradable disposable diaper

Details Biodegradable disposable diaper Biodegradable disposable diaper

1993-04-20

1994-12-20

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

604364, 604358, 604366, 604370, 604372, A61F 1315, A61F 1320

Patent

active

053742591

ABSTRACT:
A biodegradable disposable diaper comprising a combination of a liquid absorbing material, a liquid permeable surface material and an leakproof backing material, said liquid permeable material being formed of an aliphatic polyester resin obtained by reacting an aliphatic saturated polyester prepolymer having an end group which is materially a hydroxyl group with a coupling agent or formed of said aliphatic polyester resin and an aliphatic saturated polyester resin which has not been treated by said coupling agent. The disposable diaper has excellent mechanical strength, softness, feel of touch, productivity as well as biodegradability, air permeability and waterproofness.

REFERENCES:
patent: 2999851 (1961-09-01), Elmer
patent: 4166873 (1979-09-01), Gilliam
patent: 4944734 (1990-07-01), Wallach
patent: 4964857 (1990-10-01), Osborn
patent: 5037410 (1991-08-01), Zimmerman et al.
patent: 5185009 (1993-02-01), Sitnam
patent: 5190533 (1993-03-01), Blackburn
patent: 5219646 (1993-06-01), Gallagher et al.

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