Induction seal liners for containers include active polymer compositions that function as active agents within the container during storage of products and which may be easily removed and discarded after opening the container. The active agents can include antioxidant or oxygen scavenging materials, anti-melanosic agents, desiccants, antimicrobial agents, odor reducing agents, and others. The induction seal liners herein extend the shelf life of products while affixed to the opening of a container. An induction seal for a container, the induction seal comprising: a mounting sheet; and an induction seal liner attached to a headspace-facing surface of the mounting sheet, the induction seal liner comprising an active polymer component including a multiphase polymer composition, wherein a mounting portion is located or exposed between an outer edge of the induction seal liner and an outer edge of the mounting sheet.

An assembly of a closure with a container, for sealing of the container, comprises the container having an inner container surface defining a cavity opening to ambient through an opening, the closure comprising an upper portion and a lower portion, the lower portion having a lower lateral surface, the lower portion being adapted to be inserted into the opening of the container and two grooves provided on the lower lateral surface and adapted to receive two respective sealing members, the two grooves being separated by a predetermined distance, the two sealing members provided in the two respective grooves, the two sealing members being adapted to provide sealing between the lower lateral surface and the inner container surface, wherein the lower lateral surface, the inner container surface and the two auxiliary sealing members together define an annular space and a barrier sealant in the annular space.

Containers with closures are disclosed. A closure may include at least a polymer orifice reducer configured to be permanently secured to a rim of an opening of a container and a flexible tamper evident seal disposed on the topside of the orifice reducer. The flexible tamper evident seal, optionally foil, covers one or more openings in the orifice reducer. Processes for permanently securing a closure to a container, optionally by forming a heat seal between the orifice reducer and container rim, are also disclosed.

A package for pourable food products and method for moulding a polymeric opening portion to a packaging sheet material is provided. The package can include an opening portion and a weakening feature. In some embodiments, the opening portion can be made of a polymer composition. In some embodiments, the weakening feature has a thickness below 200 micrometers and is thinner than parts of the opening portion directly adjacent to said weakening feature. The polymer composition can include sodium sulphite particles. In some embodiments, the sodium sulphite particles have the following size characteristics: (i) 0% having a size above 75 micrometers, and (ii) an average size below 25 micrometers.

A tamper-evident closure for a container with an outer screw thread opening, including an outer cap with a first sidewall and a first top wall and an inner cap with a second sidewall and a second top wall. The inner cap is coaxially nested within the outer cap and has an inner thread. The outer and inner cap have cooperating engagement mechanisms arranged and shaped so when opening the closure for the first time, the inner cap is rotated by the outer cap. The first top wall has a tamper-evident member which is connected to a surrounding region of the first top wall by a frangible component. A protruding element, arranged for breaking the frangible component, is arranged at the first top wall facing the second top wall and/or the second top wall facing the first top wall so as to face the tamper-evident member.

Storage containers and lids for such containers are provided. The lid has a first lid face and a second lid face. The second lid face has a rim configured to attach the lid to a storage bin. On the first lid face and extending to the second lid face is a plurality of apertures to provide airflow through the lid. A seal material extends from the second lid face that is configured to make the airflow path selectively sealable at a continuous wall and closed surface of a corresponding storage bin.

A container comprises: (i) a hydrogen generating means comprising an active material arranged to generate molecular hydrogen on reaction with moisture; (ii) a catalyst capable of catalyzing a reaction between molecular hydrogen and molecular oxygen; and (iii) a barrier means for restricting passage of small organic molecules from a product contained, in use, in the container, to the catalyst associated with a closure or body wall of the container.

A container (22) includes an oxygen-sensitive beverage, for example a vitamin C-containing beverage. A closure (40) seals the mouth (28) of container (22). The closure includes an oxygen scavenging structure, for example a closure, which comprises a hydrogen generating means and a catalyst for catalysing a reaction between hydrogen and oxygen.

Systems and methods for preserving oxidizable substances such as liquids or foodstuffs are disclosed. These systems incorporate a sealing device and an oxygen scavenging chemical or agent coupleable to or contained within the system. The oxygen scavenging agent can remove the oxygen from the headspace of a container such as a bottle of wine without reducing the pressure in the headspace to the extent that the flavor of the wine is adversely affected.

Systems and methods for preserving oxidizable substances such as liquids or foodstuffs are disclosed. These systems incorporate a sealing device and an oxygen scavenging chemical or agent coupleable to the system. The oxygen scavenging agent can remove the oxygen from the headspace of a container such as a bottle of wine without reducing the pressure in the headspace to the extent that the flavor of the wine is adversely affected.