How many patents does
Celanese International Corporation have?
patents
3,447
families
421
granted
875
applications
2,572
US
891
WO
409
CN
377
EP
342
JP
129
KR
57
RoW
1,242
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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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Celanese International Corporation
Top ten assignees appearing on patents
2009 - 2018
2009
Celanese International Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| process for producing an ethyl acetate solvent and co-production of ethanol | 255 | 2010 |
| catalysts for making ethyl acetate from acetic acid | 90 | 2008 |
| processes for producing acrylic acids and acrylates | 78 | 2011 |
| direct and selective production of ethanol from acetic acid utilizing a platinum/tin cat… 🛈 | 73 | 2008 |
| process to recover alcohol from an acidic residue stream | 69 | 2011 |
| hydrogenolysis of ethyl acetate in alcohol separation processes | 63 | 2010 |
| process for producing ethanol | 62 | 2010 |
| methanol carbonylation system having absorber with multiple solvent options | 44 | 2008 |
| method and apparatus for carbonylating methanol with acetic acid enriched flash stream | 40 | 2008 |
| ethanol production from acetic acid utilizing a cobalt catalyst | 35 | 2008 |