Absorbent foam articles and method of manufacture

Details Absorbent foam articles and method of manufacture Absorbent foam articles and method of manufacture

1976-09-27

1977-12-06

Medbery, Aldrich F.

Surgery

Respiratory method or device

Ozone or ion generation

128270, 128285, A61F 544, A61F 1320

Patent

active

040611450

ABSTRACT:
Foams (as for example polyurethane foam) catamenial tampons which have been treated with surfactant. Catamenial tampons of this invention exhibit improved humid expansion characteristics. In a preferred embodiment, the catamenial tampons comprise particles of lubricated polyurethane foam which have been treated with surfactant and which are contained within a fluid permeable overwrap. The invention includes a process for making the above described catamenial tampons.

REFERENCES:
patent: 3566871 (1971-03-01), Richter et al.
patent: 3794029 (1974-02-01), Dulle
patent: 3809088 (1974-05-01), Ulrich, Jr.
patent: 3812856 (1974-05-01), Duncan et al.
patent: 3815601 (1974-06-01), Schaefer
patent: 3834389 (1974-09-01), Dulle
patent: 3994298 (1976-11-01), DesMarais

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