Maro Publications


Patent Abstracts

From 09/25/2014 through 8/10/2012

Maro Encyclopedia




Patent Titles


Patents with Abstracts

2. 8,287,270 
Methods and systems for thermoforming with billets
Lee, Kirouac and Piercy of Printpack Illinois Inc., Illinois, produced thermoformed articles from pre-cut thermoformable billets.  The system includes a heating apparatus for heating the billets, a billet thermoformer for thermoforming the billet into an article, a discharge system for evacuated the formed articles from the thermoformer, and an inspection system for inspecting each of the formed articles for the presence of a defect. Conveyors and billet carriers are provided for transporting the billets between the various components of the system, and loaders are provided for loading the billets onto the conveyor and/or billet carriers. (RDC 10/24/2012)

1. 8,231,954 
Thermoformed articles made from reactive extrusion products of biobased materials
Li, Tedford and Thoman of International Paper, Tennessee, developed a thermoformable composite by crosslinking polyhydroxyalkanoate (PHA) and poly lactic acid (PLA) twith other resins having: (a) a Ts value of up to about C.; and (b) a heat distortion index of up to about 160 C. The thermoformable composite is used to make a food or beverage cup, lid, cutlery item, foodservice item, molded tray, or food storage container. The thermoformable composite consists of 5 to 95 wt% PLA,  5 to 95 wt% PHA and 0.0 to 60 wt% additives.  The PLA and PHAs are crosslinked together by intermolecular means to enhance performance and processability. (RDC 8/10/2012)


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(RDC 6/5/2012)


Roger D. Corneliussen

Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921


Copyright 2012 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen

** Date of latest addition; date of first entry is 8/10/2012.