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. 06, 1990
Filed:
Dec. 07, 1988
Applicant:
Inventors:
Jerry A Dunaway, Old Hickory, TN (US);
Leon H Zimmerman, Nashville, TN (US);
Nancy T LaTondress, Mt. Juliet, TN (US);
Assignee:
Reemay, Inc., Old Hickory, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428137 ; 15624418 ; 15624419 ; 427355 ; 427358 ; 428290 ; 428300 ; 4283155 ;
Abstract
A barrier fabric is provided which is impermeable to liquids and permeable to vapor. A polymer film is laminated to a porous fibrous web. The composite web is then needled repeatedly with fine conical needles to provide micropores through the film.