Stock material or miscellaneous articles – Composite – Of polyamide
Patent
1990-04-04
1991-03-26
Sluby, P. C.
Stock material or miscellaneous articles
Composite
Of polyamide
4284761, 4284796, 428481, 428513, 428 342, 428 367, 428516, 2641761, 426127, 426113, 229 35R, B32B 2708, B65D 556
Patent
active
050028332
ABSTRACT:
A dual ovenable paperboard based structure which contains a food contact resin layer. The resin layer in direct contact with the ovenable food product exhibits superior food release properties, grease and oil resistance, and resistance to warpage even after extended periods of time following oven heating. The unique laminate is formed via coextrusion coating techniques on conventional coextrusion equipment at conventional temperatures. The resulting product has a high degree of adhesion between the paperboard and the polymethylpentene food contact layer, and is capable of being utilized for forming pressed or locked corner food trays which can be subjected to oven cooking temperatures.
REFERENCES:
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patent: 3924013 (1975-12-01), Kane
patent: 4386991 (1983-06-01), Shiomi et al.
patent: 4543280 (1985-09-01), Fujita et al.
patent: 4929476 (1990-05-01), Gibbons et al.
patent: 4935282 (1990-06-01), Pawlowaki et al.
patent: 4940612 (1990-07-01), Gibbons et al.
Gibbons Charles E.
Kinsey, Jr. Joe L.
Kittrell James M.
Gitler Stewart L.
International Paper Company
Sluby P. C.
Zielinski Walt Thomas
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