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:
Jun. 09, 1992
Filed:
Oct. 12, 1990
Applicant:
Inventors:
Assignee:
Gelman Sciences Technology, Inc., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 342 ; 428131 ; 428142 ; 428 343 ; 428 361 ; 428 365 ; 2064841 ; 2065243 ; 2065244 ; 383102 ; 383105 ;
Abstract
A gas permeable package for a preservative agent is fabricated from a material which includes a support having pores therein sufficiently large to permit passage of gas therethrough but small enough to retain a preservative agent. There is a conformal, hydrophobic and oleophobic coating on the porous support member. The coating includes a fluoroacrylate based polymer.