Back to results
US 2009/0155430 A1Published application
Films comprising liquid smoke and flavorants
AssigneeE.I. du Pont de Nemours and Company
InventorsI-HWA LEE, LLOYD C. WALLENSLAGER, JR., JOHN D. VANSANT, JAMES P. KANE, JR.
Life of this patent
Estimating the term…
Abstract
A process for producing a film having incorporated or applied thereon or therein an additive such as liquid smoke is provided wherein the film comprises a liquid absorbent layer and an impermeable layer. The films can be used for producing a tubular casing or shrinkbag.
Claims20
A process for applying an additive onto or incorporating an additive into films comprising the steps of introducing a fluid additive into a container equipped with a moving gravure roll;
- picking up the additive from the container with the gravure roll;
- delivering the additive into or onto a flat film;
- drying the film;
- and optionally converting the flat film into a tubular film wherein
- (i) the process is carried out batch-wise or continuously;
- (ii) the fluid additive includes flavorant, colorant, or combinations thereof;
- and
- (iii) the flat film comprises a liquid absorptive layer comprising or produced from a block copolyetherester comprising polyether blocks and polyester blocks, a block copolyetheramide, or combinations of two or more thereof.
5 more elements
Dependencies are inferred from the claim text.