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:
Mar. 03, 1987
Filed:
Oct. 07, 1985
Applicant:
Inventors:
Theodore C Wallace, Midland, MI (US);
Bernie A Kozakiewicz, Bay City, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
4284749 ; 4284758 ; 4284761 ; 4284763 ; 4284769 ; 428516 ; 428518 ; 428520 ; 4289033 ; 2641761 ; 15624411 ; 15624427 ;
Abstract
A multilayer thermoformable packaging material is provided and includes one layer of barrier material containing a resin having low gas and vapor transmission properties. The multilayer structure also includes one layer which utilizes scrap produced from the multilayer structure. Other optional layers may be included in the structure to provide additional features such as rigidity and toughness.