SCHAEFER JOHANN KALKWERKE has a total of 13 patent applications. Its first patent ever was published in 1962. It filed its patents most often in Germany, Austria and Czechoslovakia. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are JIANGSU PROVINCE CERAMICS RES INSTITUTE CO LTD, TASHK NI I PUROEKUTONUI I SUTO and SHENZHEN SUNTECH ADVANCED CERAM CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 7 | |
#2 | Austria | 2 | |
#3 | Czechoslovakia | 1 | |
#4 | German Democratic Republic | 1 | |
#5 | Japan | 1 | |
#6 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Basic materials chemistry | |
#3 | Chemical engineering | |
#4 | Packaging and shipping | |
#5 | Textiles and paper |
# | Technology | |
---|---|---|
#1 | Building materials | |
#2 | Inorganic treatment materials | |
#3 | Transport or storage devices | |
#4 | Fuels | |
#5 | Paper coating | |
#6 | Separation |
# | Name | Total Patents |
---|---|---|
#1 | Zander Hans Von Dipl Ing | 5 |
#2 | Von Zander Hans | 3 |
#3 | Friedrich Dr Erich | 2 |
#4 | Schoppe Fritz Dipl Ing Dr | 1 |
#5 | Hansu Fuon Tsuanderu | 1 |
Publication | Filing date | Title |
---|---|---|
DE3131959A1 | Process for producing a homogeneous mixture of finely divided hydrated lime and wet coal | |
DE3020527A1 | Subdividing installation for powder bulk materials - comprises turnable wheel inside vessel with open chambers fitted to rim to empty contents into outlet sockets | |
DE2834862A1 | METHOD AND CHAMBER FOR BURNING LIME O.AE. PARTS | |
DE2714858A1 | High speed mixing of lime with water - to obtain aq. suspension of calcium hydroxide | |
DE2303691A1 | Sand-lime starting material for bricks and stones - using soft quicklime which is ground and mixed with sand, hydration taking place during mixing | |
DE1167467B | Process for the production of a white pigment | |
DE1154214B | Process for the production of a white pigment |