Ink-printed ovenable food containers
AssigneeInternational Paper Company
InventorsJames R. Quick, Craig A. Golden, James W. Mitchell
Life of this patent
Estimating the term…
Abstract
An ink-printed ovenable food container is prepared by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and (d) forming the resultant polyester resin sealed paperboard into a container.
Claims30
a method for making an ink-printed ovenable food container which comprises:
- (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder,
- (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester,
- (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and
- (d) forming the resultant polyester resin sealed paperboard into a container.
A method for making ink-printed paperboard which comprises
- (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder,
- (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, and
- (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
An ink-printed ovenable food container made by
- (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder,
- (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester,
- (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating, and
- (d) forming the resultant polyester resin sealed paperboard into a container.
Ink-printed paperboard made by
- (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder,
- (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester and
- (c) coating the resultant ink-printed and sulfonated polyester coated paperboard with a polyester resin sealing coating.
Dependencies are inferred from the claim text.