Laundry Sheet Comprising Functional Granules

Patent No. EP3392329 (titled "Laundry Sheet Comprising Functional Granules") was filed by LG Household & Health Care on Dec 16, 2016. The application was issued on Aug 2, 2023.

Patent Summary

Laundry sheet with improved cleaning performance, comprising a water-soluble polymer film and undissolved granules of a builder, enzyme, bleaching agent, or bleach activator. The granules are dispersed between the polymer chains of the film, maintaining their activity until washing. The film is prepared by dissolving the polymer in water, adding the granules, and removing the solvent. The sheet can be stacked with additional films to enhance stability and prevent granule detachment.

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
HENKELApr 29, 2024-

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

  • Date

    Description

  • Get instant alerts for new documents

EP3392329

LG HOUSEHOLD & HEALTH CARE
Application Number
EP16876073A
Filing Date
Dec 16, 2016
Status
Granted And Under Opposition
Jun 30, 2023
Publication Date
Aug 2, 2023