How many patents does
Kemira have?
patents
2,568
families
370
granted
514
applications
2,054
US
369
EP
337
WO
295
CN
254
KR
66
JP
45
GB
21
RoW
1,181
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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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patents
42 million
patent families
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Kemira
Top ten assignees appearing on patents
2009 - 2018
| kemira | 1983 |
| akzonobel | 71 |
| akzo nobel chemicals international | 32 |
| stora enso | 30 |
| oyj,kemira | 24 |
| taminco finland | 22 |
| upm-kymmene corporation | 22 |
| legrand, sacha | 17 |
| andritz | 15 |
| kemira chemicals | 13 |
2009
| kemira | 106 |
| akzonobel | 11 |
| lanxess | 2 |
| bayer chemicals | 2 |
| p&g (procter & gamble company) | 1 |
Kemira
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method of producing a paper product | 28 | 2006 |
| process for sizing paper | 23 | 2000 |
| method for controlling size distribution of polymer particles during preparation of aque… 🛈 | 21 | 2012 |
| coating colour composition and paper or paperboard coated with it | 20 | 2008 |
| method for improving rheological properties of an aqueous pigment slurry, dispersion age… 🛈 | 20 | 2008 |
| paper and methods of making paper | 19 | 2011 |
| process for the preparation of a mixture of chelating agents | 19 | 2010 |
| product for the sizing of paper | 19 | 2009 |
| composition and method for paper processing | 18 | 2006 |
| a process for preparation of formate salt | 18 | 2008 |