Français Register Login

  • All sections
  • C - Chemistrymetallurgy
  • C03C - Chemical composition of glasses, glazes or vitreous enamelssurface treatment of glasssurface treatment of fibres or filaments made from glass, minerals or slagsjoining glass to glass or other materials
  • C03C 25/321 - StarchStarch derivatives

Patent holdings for IPC class C03C 25/321

Total number of patents in this class: 92

10-year publication summary

3
8
16
11
20
7
4
15
13
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saint-Gobain Isover
633
16
Rockwool A/S
781
14
Knauf Insulation SPRL
173
12
Knauf Insulation, Inc.
191
11
Johns Manville
954
10
Saint-Gobain Adfors
118
6
Cargill, Incorporated
2885
5
ROCKWOOL International A/S
307
5
Ursa Insulation, S.A.
31
3
Shin-Etsu Quartz Products Co., Ltd.
147
2
STM Technologies S.r.l.
15
2
USG Interiors, LLC
309
2
Heraeus Quarzglas GmbH & Co. KG
409
1
Leibniz-institut fur Polymerforschung Dresden e.V.
75
1
Les Produits Industriels de Haute Temperature Pyrotek Inc.
10
1
United States Gypsum Company
913
1
Other owners 0

  • ipowner home
  • ipqwery home
  • contact us
  • privacy policy
  • terms and conditions
© 2025 IPQwery All rights reserved