| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 2 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Austria | 1 | |
| #5 | Canada | 1 | |
| #6 | Germany | 1 | |
| #7 | Denmark | 1 | |
| #8 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Inorganic treatment materials | |
| #2 | Chemical or physical processes | |
| #3 | Compounds containing metals | |
| #4 | Treatment of glass | |
| #5 | Inorganic compounds | |
| #6 | Building materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Backhaus Willi | 1 |
| #2 | Ulbrich Dr-Ing Karl-Heinz | 1 |
| #3 | Jahn Burkhardt | 1 |
| #4 | Burkhardt Jahn Dr Dipl-Chem | 1 |
| #5 | Lenk Siegfried Dipl-Ing | 1 |
| #6 | Ulbrich Karl-Heinz Dr Ing | 1 |
| #7 | Ulbrich K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP0452711A2 | Surface treated metal oxides and method of their preparation | |
| EP0202551A2 | Siliceous raw materials for ceramics, process for their production and their use | |
| GB988292A | Improvements in the production of a zinc oxide pigment | |
| GB976603A | Process and apparatus for forming granulate from powdery anhydrous substances |