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. 24, 1998
Filed:
Jul. 10, 1996
Applicant:
Inventors:
Orville Spence, Arlington, TX (US);
Beth C Tormey, Frenchtown, NJ (US);
Assignees:
American Excelsior Company, Arlington, TX (US);
National Starch & Chemical Investment Holding Corporation, Wilmington, DE (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B32B / ;
U.S. Cl.
CPC ...
15624419 ; 15624424 ; 15624427 ; 1563088 ;
Abstract
A biodegradable structured packing formed from laminated layers of biodegradable filler. The filler is formed from a starch base and extruded into sheets. The surfaces of the sheets are treated with a substance such as water to promote tackification and bonding and pressed together to form a laminate assembly. The laminate assembly may then be used as is or then cut to any of a variety of shapes for packing and related purposes.