The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 29, 2000
Filed:
Nov. 20, 1997
Applicant:
Inventor:
Paul E Marecki, St. Paul, MN (US);
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; A61K / ; B65D / ;
U.S. Cl.
CPC ...
428 664 ; 424 45 ; 222394 ; 277589 ; 277628 ; 277634 ; 277650 ; 277910 ; 277944 ; 526348 ; 5263482 ; 5263484 ; 5263486 ; 525240 ;
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.