Dual-ovenable food trays
US5494716A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 25, 1994 |
| Grant date | Feb 27, 1996 |
| Priority date | — |
| Expiry date | May 25, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31906
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A dual ovenable food tray having both high temperature resistance and superior food release properties is prepared by applying to at least one surface of a paperboard substrate an aqueous coating formulation comprising a styrene-acrylic latex having a low T.sub.g, a styrene-acrylic latex having a high T.sub.g or a mixture thereof, wherein the coating formulation preferably further comprises at least one additional component selected from coalescing solvents, thickening agents, defoaming agents, crosslinkers and wax emulsions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.