Membranes for absorbent packets

Details Membranes for absorbent packets Membranes for absorbent packets

1989-12-08

1992-04-28

Green, Randall L.

Surgery

Means and methods for collecting body fluids or waste material

Absorbent pad for external or internal application and...

A61F 1315

Patent

active

051083833

ABSTRACT:
An absorbent article comprising a cellulosic membrane about 5 to 50 .mu.m thick prepared by casting a film from solution of a cellulose derivative in a suitable solution and these formed into a packet which encapsulates an osmotic promoter, particularly sodium chloride, sugar or other suitable compound, preferably having a molecular weight below about 500. The packet is capable of taking up at least 0.001 g/cm.sup.2 /min of water and retaining it against an external pressure of at least 0.689 kPa.

REFERENCES:
patent: 3133137 (1964-05-01), Loeb et al.
patent: 3657115 (1972-04-01), Manjikian et al.
patent: 4820293 (1989-04-01), Kamme
U.S. patent application Ser. No. 247,828, L. S. White, "Osmotic Absorbents", filed 9/22/88.

Affiliated with

Also associated with

Rating

Membranes for absorbent packets does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Membranes for absorbent packets, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Membranes for absorbent packets will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1244677