Claims
- 1. An article for storing and transporting biogenic fluid comprising a container formed of additive-free uncharged transparent thermoplastic of a polymer of vinylidene fluoride copolymerized with at least one monomer selected from the group consisting of tetrafluoroethylene and hexafluoropropene, wherein said vinylidene fluoride constitutes at least sixty-two percent by weight of the copolymer composition, the permeability to ethylene oxide of said thermoplastic being at least approximately 1.times.10.sup.-6 grams per minute of gaseous ethylene oxide per square centimeter of film of such thermoplastic having a thickness between 3 and 4 mils.
- 2. The article of claim 1 wherein said container is a bag formed from a film of said additive-free uncharged transparent thermoplastic.
- 3. The article of claim 2 wherein said film is at most about ten mils thick.
CROSS-REFERENCE TO RELATED PATENT APPLICATION
This patent application is a continuation-in-part of U.S. Ser. No. 916,454, for Blood Storage Article and Methods, filed June 16, 1978 by C. B. Thanawalla and J. R. Soulen and assigned to Pennwalt Corporation, now abandoned.
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Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
916454 |
Jun 1978 |
|