A Filler Compound And Use Of A Filler Compound

Patent No. EP3943466 (titled "A Filler Compound And Use Of A Filler Compound") was filed by Saint Gobain on Jul 21, 2020. The application was issued on Nov 5, 2025.

Patent Summary

A filler compound for construction applications, comprising glassy particles as the primary filler component, with at least 30% of the particles having a diameter between 50-100 microns. The glassy particles comprise at least 10% of the compound's dry mass, and are combined with a binder to form a low-shrinkage filler suitable for filling gaps between construction boards, repairing damaged areas, and creating a smooth finish.

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
FLUGGER GROUPNov 19, 2025WAGNER

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

EP3943466

SAINT GOBAIN
Application Number
EP20305837A
Filing Date
Jul 21, 2020
Status
Granted And Under Opposition
Oct 3, 2025
Publication Date
Nov 5, 2025