How many patents does
Changsha Design & Research Institute Of Ministry Of Chemical Industry have?
patents
147
families
91
granted
54
applications
93
CN
145
WO
2
Buy the report
The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
contact us for pricing
- VAT will apply to UK companies
- EU companies must supply their VAT number
Check out our sample pages |
Find companies to compare
Many companies now available
companies
12,000+
patents
42 million
patent families
23 million
Search to find companies of interest
read summary of their published patent
the following tables are just extracts from the report
the company report contains more information
Changsha Design & Research Institute Of Ministry Of Chemical Industry
Top ten assignees appearing on patents
2009
2018
Changsha Design & Research Institute Of Ministry Of Chemical Industry
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for producing potassium chloride, sodium chloride and magnesium sheet from bitter… 🛈 | 3 | 2011 |
| method for resourceful treatment of high-salt wastewater | 2 | 2016 |
| carnallite mine goaf filling method | 2 | 2013 |
| method for flotation of lithium potassium sulfate in mixture of lithium potassium sulfat… 🛈 | 2 | 2012 |
| process for drying potash magnesium sulphate fertilizer | 2 | 2012 |
| method for extracting borax from mixed salt through reverse flotation | 2 | 2012 |
| method for controlling sodium nitrate quality in vacuum cooling crystallization technolo… 🛈 | 2 | 2012 |
| method for producing potassium chloride by adopting carnallite hot-melt brine | 2 | 2013 |
| technology for producing aluminium oxide by decomposing mineral containing aluminosilica… 🛈 | 2 | 2013 |
| process for preparing magnesium sulfate heptahydrate | 2 | 2012 |