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:
Dec. 31, 2013
Filed:
Dec. 06, 2010
Applicants:
Nirav N. Desai, Madison, WI (US);
Lewis Daniel Lee, Evansville, WI (US);
Inventors:
Nirav N. Desai, Madison, WI (US);
Lewis Daniel Lee, Evansville, WI (US);
Assignee:
Placon Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/06 (2006.01); B32B 27/08 (2006.01); B32B 27/36 (2006.01); B32B 7/04 (2006.01); B32B 7/10 (2006.01); B65D 6/00 (2006.01); B65D 6/28 (2006.01); B65D 8/00 (2006.01); B65D 8/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet for thermoforming is comprised of a material which is compatible with PET and which has slower crystallinity and a crystallization temperature which is at least 77° C. greater than its glass transition temperature, more preferably a crystallization temperature greater than 151° C. The material may be coextruded into a sheet with a first PET material, such that when thermoformed into a formed part the layers of second material are engaged with each other in the molded parts and for being subjected to heat sealing.