Patent information:
| Patent: | Utility 4,332,913 |
| Patented: | June 1, 1982 |
| Applied: | July 30, 1980 |
| Title: | Flux Combination of Barium Oxide and Potassium Feldspar for High Strength Alumina Porcelain Electric Insulators |
| Description: | Porcelain composition with low shrinkage during firing |
| Category: | Porcelain |
| Assigned to: | Rosenthal Technik AG |
Patentee Information:
| BOCK, Peter | Bayreuth,, Germany |
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 144 | CERAMIC COMPOSITIONS; Clay containing (e.g., porcelain, earthenware, etc.); And flint or feldspar; Kaolin (e.g., ball clay, fire clay, etc.) containing; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 127 | CERAMIC COMPOSITIONS; Refractory; Trivalent metal compound (e.g., iron oxide, chromium oxide, trivalent rare earth oxide, etc.) containing; Aluminum compound (e.g., clay, aluminium oxide, etc.); |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 153 | CERAMIC COMPOSITIONS; Aluminum compound containing; |
Known specimens:
| None known |
Drawings:
Page 1 |
Page 2 |