JOHANN KARL WIRTH DIPL ING has a total of 19 patent applications. Its first patent ever was published in 1921. It filed its patents most often in Germany. Its main competitors in its focus markets organic fine chemistry, chemical engineering and basic materials chemistry are SHANDONG HIYI CHEM-TECH CO LTD, CHINA PETROCHEM CORP and PUYANG LIANZHONG XINGYE CHEMICAL CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 19 |
# | Industry | |
---|---|---|
#1 | Organic fine chemistry | |
#2 | Chemical engineering | |
#3 | Basic materials chemistry | |
#4 | Thermal processes | |
#5 | Civil engineering | |
#6 | Machine tools | |
#7 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Wirth Dipl-Ing Johann Karl | 3 |
Publication | Filing date | Title |
---|---|---|
DE568128C | Production of high quality fuller's earth |