Dual ovenable food container
US5498452A · kind A · utility
9Cited by
11References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 28, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Mar 28, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dual ovenable food product container is formed from a coated or uncoated paperboard substrate to which is applied a precoat layer and a topcoat layer. The precoat is formed from an aqueous emulsion copolymer such as ethylene vinyl acetate while the top coat is formed from and aqueous emulsion which is a copolymer of one or a mixture of styrenated acrylic copolymers. The T.sub.g of the precoat should be in the range of 0.degree. C. to 25.degree. C., while the T.sub.g of the top coat layer is in the range of about 10.degree. C. to 60.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.