Stock material or miscellaneous articles – Circular sheet or circular blank – Seal – gasket – or packing
Patent
1997-11-20
2000-02-29
Chen, Vivian
Stock material or miscellaneous articles
Circular sheet or circular blank
Seal, gasket, or packing
424 45, 222394, 277589, 277628, 277634, 277650, 277910, 277944, 526348, 5263482, 5263484, 5263486, 525240, B32B 100, A61K 912, B65D 8314
Patent
active
060306823
ABSTRACT:
A container for aerosols which contains 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane, or a mixture thereof as a propellant, wherein the container has at least one elastomeric sealing member comprising a thermoplastic copolymer of about 80 to about 95 mole percent ethylene and a total of about 5 to about 20 mole percent of one or more comonomers which may be 1-butene, 2-hexene, and 1-octene.
REFERENCES:
patent: 4722973 (1988-02-01), Yamaoka et al.
patent: 4819834 (1989-04-01), Thiel
patent: 5001205 (1991-03-01), Hoel
patent: 5290539 (1994-03-01), Marecki
patent: 5474758 (1995-12-01), Kwon
3M Innovative Properties Company
Chen Vivian
Howard MarySusan
Ringsred Ted K.
Sprague Robert W.
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