Bottle and refill

IN595074BActive Publication Date: 2026-07-10UNILEVER GLOBAL IP LTD
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Patent Information

Authority / Receiving Office
IN · IN
Patent Type
Patents
Current Assignee / Owner
UNILEVER GLOBAL IP LTD
Filing Date
2022-08-22
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

The increasing concern of plastic waste, particularly in oceans, due to single-use plastic packaging, necessitates a solution that is both environmentally friendly and consumer-acceptable, requiring refill systems that are easy to use and minimize plastic usage.

Method used

A refill cartridge system comprising a smaller, concentrated product container with a sealable opening for a dip tube, allowing easy integration into a reusable bottle, reducing overall plastic usage and allowing consumers to visually identify the product variant through external indicia, while the bottle can be made from sustainable materials like stainless steel or aluminum.

Benefits of technology

This system reduces plastic waste by allowing the reuse of bottles and recycling of cartridges, while ensuring consumer convenience through easy use and minimal mess, thus promoting a more sustainable approach to product replenishment.

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Abstract

A refill cartridge and a bottle to contain the cartridge. The refill includes at least two sealed openings, one at the top and one at the bottom. They may be sealed by an in mold label. The bottle is suitable for including the cartridge and may also include a pump and a dip tube. The dip tube is used to pierce the top and bottom seals of the cartridge when the bottle closure is screwed onto the bottle. Piercing the bottom seal releases product into the water filled interior of the body of the bottle. Typically the product will be a concentrate such as a body wash or hand washing concentrate. The bottle preferably includes an aperture or window through which at least a portion of the cartridge can be seen so that the consumer can determine which variation of product is present in the refill in the bottle.
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