How many patents does
Beijing Sj Environmental Protection And New Material Company have?
patents
364
families
184
granted
134
applications
230
CN
287
US
25
EP
15
WO
11
RoW
26
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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
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Beijing Sj Environmental Protection And New Material Company
Top ten assignees appearing on patents
2009 - 2018
Beijing Sj Environmental Protection And New Material Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| methods for preparing and regenerating materials containing amorphous iron oxide hydroxi… 🛈 | 14 | 2008 |
| method for regenerating amorphous iron oxyhydroxide and desulfurizer containing amorphou… 🛈 | 11 | 2008 |
| preparation and repeated regeneration of material containing amorphous iron oxyhydroxide… 🛈 | 11 | 2008 |
| method for removing h2s from gaseous stream at normal temperature | 10 | 2008 |
| renewable and reusable desulfurizer and preparation method and regeneration method there… 🛈 | 9 | 2009 |
| process for preparing ball-type desulfurizer with high sulfur content and product thereof | 7 | 2011 |
| high-concentration carbonyl sulfide conversion-absorption type desulfurizer and carbon d… 🛈 | 6 | 2013 |
| use of magnetic iron oxide red in catalyzing and oxidizing methanthiol and methods for p… 🛈 | 6 | 2013 |
| method for preparing amorphous iron oxide hydroxide | 6 | 2011 |
| method for preparing magnetic iron oxide | 6 | 2011 |